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Debenham Sisters
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Today in Motorcycle History

The Motor Cycle 1912 Jan-Jun

Aberdeen and District M.C.C. Flexibility Trial, 625
AC. Tricar, Registration and Licence for, 533
Accessories, Among the, 20, 145, 181, 386, 495, 558, 590, 639
Accumulators, Charging off Mains, 89
Acetylene, Dissolved, 528
— Gas, Running on, 235
— Generators, 98, 99, 244, 245, 307, 396, 453
— Number-plate and, Combined, 608
Agency Question, 271, 341
Air Inlet, Auxiliary, 634
— Inlets, 691
— Tubes, 508
All-weather Riders, Tip for, 283
America—
— Features of the New Model Cycles, 45,46
— Lady Motor Cyclists in, 52
— Records, 225
— Road Race, 121
— Sidecars or Small Cars in, 224
— Tourist Trophy in, 84
Anglo-Scottish Hill-climb. See Auto Cycle Union.
Arden Cycle Car, 586
Argenteuil, Hill-climb at, 344
Ariel Gear, Improvements to the, 640
Arms Hill, Climbing, 173, 175, 196, 218, 348
Arthur Moorhouse Memorial Fund. See under Moorhouse, Mr. A. J.
Associations, Motor Cycle, 163
Australia, Consumption Test in, 259
— Hill-climb in, 233, 316
— Motor Cycling in, 400
Austria, Motor Cycle in, 240
Auto Cycle Club de France, 12, 573
Automobile Club of France and, 173
— Circuit de Paris, 311, 312, 353, 379, 404, 430, 438
— Easter Trial, 277
— Grand Prix of the, 429
— Road Race Cancelled, 682
— Hill-climb, 146, 172, 225, 226, 231
Auto Cycle Union—
— Anglo-Scottish Hill-climb, 628, 654
— Annual General Meeting, 275, 380
— Competitions Committee, 457
— Future of the, 387
— Hill-climbing Championship suggested, 475
— Loughborough, Mr. T. W., Secretary, 395
— Motor Cyclists’ Progressive Association, 171, 248, 272, 281, 341, 398
— Ninth Annual Dinner, 40, 105
— Notes, 121, 172, 198, 224, 281, 352, 379, 428, 450, 527, 564, 623
— Official Handbook, 392
— One Day Trial, 125, 206, 228, 253, 268, 273, 277, 341, 433
— Judges’ Report, 482
— Re-run of, 478
— Through the, on a Sidecar, 502
— Tyre Troubles in, 528
— degulatiOLis, 666
— Restrictions of Open Hill-climbs, 613
— Silencer Trials, 290, 513, 529
— Six Days’ Trials, 147, 168, 219, 271, 471, 485, 503, 511, 546, 656, 696 Routes, 653
— Tyre Makers and, 721
— Tests in, 667, 710
— Test Case to be Fought by, 165
— Tourist Trophy Race, 29, 74, 101, 107. 121, 150, 290, 684, 685, 711, 713
— Acceleration in the, 190
— Entries, 146, 173, 196, 225, 249, 600, 625, 626, 656, 657, 682, 712
— Fund, 54, 73, 313, 546, 624, 626
— Machines Entering, 693, 713-717, 723
— New Regulations, 457
— News, 624
— Position of 1912 Entrants, 730
— Practising on the Course, 718-720
— Preparations for, 559
— Progress of, 712
— Trade and the, 211, 251, 493, 509, 539, 566,675
— Warning Note, 81
— Who will Win ? 700
— Will Makers support the l 198
— Trials, Regulations, 170
— Two-stroke Engines and the, 270, 310, 343, 371, 422
Automobile Club de Seine et Oise, Le Mans Meeting, 513, 545, 600

“ Baby ” Quadcar, 177
Back Rest, Home-made, 20, 210
— Wheel, Fitting Springs to, 533
Badges, Exhibition of, 88, 119, 193, 245, 279
Balbus and his Wall, by Fred Gillett, 694 Bat Foot-starter, 214
— Sidecar, 268
Bearings, Ball and Plain, 272
Bedelia Cyclecar, Hour Record, 519
Belgian Motor Cycle Show, 224
— Trial, 429
Belt Drills, 571
— Fasteners, Acme, 304
— Adjustable, 20
— Flexible, 306
Belts, Carriage of Spare, 365
— Chain or, 234
— Chrome Leather for, 148
— Dunlop Improvement, 236
— J.P. Tyre and Belt, 181
— Leather Chain, 580
— Parkins, 536
— Rubber, 732
— Sidecars and, 90
— Slack, Taking up of, 184
— Special, 132
— Tightening Tip, 396
Bicars, Brown Midget, 671
“ Bicycle Luge,” New Form of Winter Sport, 65
Binks, Chas., Problem of the Automatic Carburetter, 567
Birmingham M.C.C.—
Birmingham-Land’s End-Birmingham, 601
— Land’s End-Birmingham Run, Official Results, 610.
— Birmingham to Perth and Back, 408, 427
— Hill-climb at Harley Bank, 622
— — Results, 627
— Members’ Hill-climb, 543
— Ninth Annual Dinner, 46, 47
— Passenger Trial, 40
— Reliability Trial, 722
— York and Back, 11
B.P. Scouts, Coventry and Warwickshire M.C. v., 489, 568
Bradford M.C.C. Open Hill-climb, 506, 572
Brampton Variable Gear, 610
Brighton, M.C.C. Opening Run to, 351
Brigsteer Brow Hill-climb, 409
Bristol M.C.C. Hill-climb, 457, 463, 487
Reliability Trial to Porlock, 573
British Automobile Racing Club—
Brooklands Meeting, 686, 723
British Motor Cycle Racing Club, 97
First Monthly Meeting, 174, 319, 345, 375
Fourth Meeting ol' the, 629
Meeting at Brooklands, 428
Race Meeting, 486, 515, 540, 557, 573, 603
Second Monthly Meeting, 460
Brookdale M.C.C.—
— Hill-climbing and Reliability Trial, 683
Brooklands. See also British Motor Cycle Racing Club.
— Record Breaking at, 724
— Easter Meeting, 276, 381, 424
— June Meeting, 659
— Motor Cycle Events at, 405
— Observations, 659
— Six Days’ Trials and, 18, 41, 65
— Special Fittings on Racers, 389
— War Office Tests at, 95, 120, 129, 143, 155, 167, 353
— Zenith Cup, 656
Brown and Hingston Gear, Pedal Control, 62
— Midget Bicar, Improvements in the, 6 71
Burnley A.C., Competitions, 343
Bwlch-y-Groes. See Dinas Mawddwy.

Calcott, Trial of the Lightweight, 391
Cambridge University M.C.C. Hill-climb, 228, 582
Camera Attachment, 304
Cameras, How to carry, 640
Camping, Motor Cycle and, 327, 357
Cams, Tappets and, 235
Canada, British Motor Cycles in, 471, 583
Canadian Motor Cyclists’ Association, 599
Cape Peninsula M.C.C.—
— Hill-climbing Contest, 641
— Reliability Trial, 672
Carburetters, 139
— Adjustment of, 357
— Automatic, 80, 472, 473, 509, 526, 528, 538, 565, 567, 592, 593
— Automatic, Problem of the, 676
— Problem of, 618, 644, 648
— B. and B. Improvement, 283, 288
— Coils and, 477
— Ignition and, 606
— Lukin, 88
— Mending the Float, 476
— Racing, 364 Sensitive, 448
— Senspray, 659 Simple, 524
— Without a float Chamber, 458
Cardiff M.C. Open Hill-climb at Rhubina, 548
— South Wales A.C. and Inter-club Hill-climb, 353
Ceylon, Hill-climb in, 103
Chain Belt, Improved, 332
— Drive, Alleged Vibration with, 293
Chest Pads for Racing, 172
Classification, Single-cylinder Class Limits, 308, 343
Clean Counties, 32, 121, 143, 225
— Licences in, 308
Clark, R. O., Photograph, 38
Clothes Brush, Collapsable, 20
Club Competitions, Handicapping, 25

CLUB NEWS—

Aberavon, Port Talbot, and District M.C.C., 355
Aberdeen and District M.C.C., 465, 466, 604
Anglesea M.U., 206
Armagh and District M.C , 551
Ayr and District M.C., 601, 660
Batley and District M.C.C., 320, 383 B
edford and District M.C.C , 47, 96, 382, 661
Belfast and District M.C., 258, 410, 550 688
Birmingham and District M.C.C., 14, 96, 206, 284, 354, 355, 465, 551
Bishop Auckland, Darlington, and District M.C., 206, 466, 578
Blackburn M.C.C., 207, 258, 436
Blackpool and Fylde M.C.C., 14, 47, 97, 154, 688
Bolton and District M.C.C., 207
Bournemouth and District M.C.C., 128, 284
Bradford M.C.C., 284, 411, 491
Brecon and Radnor M.C.C., 660
Bristol B. and M.C., 14, 76, 96. 176, 232. 233. 258, 284, 320. 355, 411, 436, 579
British Motor Cycle Racing-Club, 97, 154
Brookdale Club (Catford), 232, 355, 465, 521
Burnley A.C., 382, 466, 550
Cambridge M.C.C., 128, 176, 383
— University M.C.C., 550
Canterbury and District M.C.C., 128, 520
Cardiff M.C., 76, 154, 176, 207, 320, 41 0. 4^0. 521. 632
Carlyle (Chelsea) C.C., 14, 176, 631
— — C. and M.C.C., 725
Cathcart District M.C.C., 354
Central Technical College M.C.C., 578
Chester and District M.C.C., 206, 465
Chesterfield and District M.C.C., 47, 206, 631
Chorley and District M.C.C., 207
Cork and District M.C.C., 128, 354, 355, 410, 436, 520, 550, 631
Cornwall M.C.C., 155, 259, 437
Coventry and Warwickshire M.C., 14, 76, 177, 258, 320, 411, 465, 577
Crawley M.C.C., 383
Crossgates and District M.C.C. 258, 491
Cumberland County M.C.C.,410, 491.631, 689, 72o
Daimler M.C.C., 521
Derby and District M.C.C., 76, 155, 206. 259, 550, 551, 631, 633
Derbyshire and North Staffordshire A.C., 206, 467, 521, 579
Doncaster and District M.C.C., 258, 467, 550
Dublin and District M.C.C.. 14, 128, 411, 436, 490, 577. 633. 660, 725
Dundee and District M.C.C., 604
Durham and District M.C.C., 259
Edinburgh and District M.C., 631
Essex M.C., 96, 177, 206, 232, 382, 383, 466, 491, 548, 660
Evesham M.C., 605
Exeter and District M.C.C., 605
Finsbury Park C.C. (M.C. Section), 14, 76, 321, 355. 661
Fleet M.C.C., 392
Foieshill and District M.C.C., 285, 490
Fulham and District M.C.C., 551
Furness M.C.C., 154, 661
GlasgowM.C.C., 47, 176, 232, 436
Gloucester M.C.C., 176
Grosvenor M.C.C., 96, 207, 725
Halifax and District M.C.C., 128, 355
Hamilton and District M.C.C., 97, 466, 605
Hampshire M.C.U., 259, 383, 660
Hampstead C. and M.C., 285, 436
Hants M.C. Union, 578
Harrogate and District M.C.C., 128, 154, 354, 383, 491, 549, 632, 725
Haslingden M.C.C., 17 7, 206
Haverstock M.C.C., 176, 689
Herefordshire M.C.C., 177, 465
Herts County A.C., 177, 284, 285, 355, 382, 491, 577
— A. and Ae.C., 725
Huddersfield and District A.C.C., 128
Hull and East Riding A.C.C., 176, 320, 521
Hunslet M.C.C., 383, 604
llkley and District M.C.C., 76, 320, 577, 725
Ipswich and District M.C.C., 76, 154, 466, 549
Isle of Wight M.C.C., 320 Kidderminster M.C.C., 605
Kildare M.C.C., 383
Kingston and District M.C.C., 321, 466
Leeds M.C.C., 321, 520
Legal M.C.C., 128
Leicester and District M.C.C., 155, 259, 354
Leven and District M.C.C., 579
Lincolnshire A.C., 383, 437, 661
Liverpool A.C.C., 128, 259, 354
Llanelly and District M.C.C., 259, 320
Lowestoft M.C.C., 520, 660
Luton and South Bedfordshire M.C.C., 521
Maidenhead' and District M.C.C., 207, , x 232, 320
Manchester Amateur M.C.C., 259, 321, 491
— M.C., 97, 155, 354, 410, 577, 661
— Wednesday M. and C.C.? 688
Merionethshire M.C.C., 437, 465. 604, 725
Mersey M.C., 77. 177, 258, 284, 354, 382, 436, 466, 578, 60 1, 632
Merthyr M.C., 465
Mid Bucks M.C.C., 206
Middlesbrough and District M.C.C., 76. 154, 382, 383. 491, 689
Motor C. Union of Ireland (Ulster Centre), 128, 410, 467, 660, 688
— Cycling Club, 96, 207. 383. 41 1, 491
Nelson and District M.C.. 76, 17 7, 604
Newcastle and District M.C., 1 4, 76. 7 7, 383, 604
Newport M.C.C., 47, 154, 354, 465
— (Mon.) M.C., 725 Norfolk M.C.C., 285, 579
North Birmingham M.C., 176, 232
— Eastern A.A. and Bishop Auckland,
Darlington, and District M.C., 579
— Middlesex M.C.C.. 47. 155, 259, 285, 465, 490, 551. 579, 660
— Staffordshire M.C.C., 259, 383, 436, 548, 661
North-west London M.C.C., 47, 76, 206, 437, 490, 521, 604
Northamptonshire M.C.C., 604
Nottingham and District M.C.C., 96, 465, 548
Oldham and District M.C.C., 155
Otago M.C.C. (New Zealand), 258
Oxford M.C.C., 47, 128, 206. 233, 259, 284
Pontefract M.C.. 176, 465, 466, 577, 688
Portsmouth and District M.C., 321, 465
Preston and District M.C.C., 14
Purley and District M.C.C., 96, 97, 154, 155, 233. 321. 466, 551. 604, 631, 689
Putney and District M.C.C., 128, 354, 551 689
Reading and District M.C.C., 232, 285
Redditch and District M.C.C., 232, 284, 467,-520
Ripon and District M.C.C.. 285
Rotherham and District M.C.C., 176, 232 689
Salford M.C.C., 206
Sarum and District M.C.C., 631
Scarborough and District M.C.C., 128, 258, 577, 579, 632
— M.C., 688
Sheffield and Hallamshire M.C.C., 14, 76, 128, 176, 258, 411, 520, 521. 577, 725
— University M.C.C., 549
South Birmingham M.C.C., 76, 155, 285, 436, 467, 521. 579, 689
South-east London M.C.C., 232
Southampton and District M.C., 207
Southsea M.C.C., 258
Stockport and District M.C.C., 689
Streatham and District M.C.C., 47, 76, 285, 465, 490, 550, 725
Stroud and District M.C.C., 661
Surrey M.C.C., 47, 96, 207, 285, 382, 383, 436, 491, 578, 661
Sussex M.C.C., 96, 155, 321
Sutton Coldfield A.C., 14, 96, 355, 436
Sydney (N.S.W.) M.C.C., 605
Taunton and District M.C.C., 232, 411, 520, 550, 725
Torbay and District M.C.C., 410, 632
Wakefield and District M.C.C., 206, 355
Walthamstow M.C., 177, 354, 382. 436, 548, 579, 605, 661
Wansbeck M.C.C., 233, 689
Wath and District M.C., 14, 725
West Australian M.C.C. (Perth), 47
— Essex A.C., 76
Western District M.C. (London), 76, 155, 176, 232, 284, 320, 383, 437, 465, 491, 520, 631, 725
Westmorland M.C.C., 206, 355, 466, 548, 577, 688, 725
Wigan M.C., 128, 285, 578, 688
Willesden Green C. and M.C.C., 577
Wimbledon M.C.C., 77, 128, 154, 550
Winchester and District M.C.C., 76
Wishaw and District M. and M.C.C., 467, 604, 432, 689
Wolverhampton M.C.C., 47, 128, 154, 155, 354, 41 1, 466
Woolwich, Plumstead, and District M.C., 232, 284, 382, 383
Worksop and District M.C.C., 206
Yeovil and District M.C.C., 155
York County M.C.C., 57 7

Club Prize Funds, Contributions to, 237
Clutch Control Fixing, 639
Clutches, Care of, 533
— M.R Trial of, 242
— Use of, 364
Clutches, Variable Gears and, 272, 343
Coal Strike, Episodes of the, 419, 453, 454
Cold Vulcanising, 321, 424
Collapsable Boat? Mounted on Sidecars, 646
Collier, Mr. H., Sen., Chat with, 80
— My Most Exciting Ride, 555
Commercial Travellers, Motor Cycle for, 264
Competitions, 1912, 81
Compression Gauges, 20
— increased by Longer Piston, 28
— Ratio. 360, 453
— Variable, 690
Contact Breakers—
— Bosch, for High-speed Engines, 332
— Removing, 413
— Sparking at, 413
— Sticking of Arm, 162 Continent, Tour on the, 65
Cost of Running a Motor Cycle, 5, 33, 64, 131, 216, 241, 272, 356, 420
Coupe Hanriot, Won by Vernon Taylor, 626
Coventry and Warwickshire M.C.— w
— Boy Scout Manoeuvre, 224
— Scouts versus, 489, 568
— Open Reliability Trial, 250, 380, 426, 486, 490, 516, 547, 556
— Photograph, 26
— Sidecar Trial, 350 Welsh Run, 628
Crank Pin Bearing Design, 152 Crankshaft, Counter-shaft or, 115
Cressage Toll Bridge, 171
Cricket Ball, Accident caused by. 561
Crouch Carette, 6 h.p., for use in Scotland, 22

CURRENT CHAT

— America—
— International Motor Cycle Race in, 66
Records,225
Road Race in, 121
American Motor Sledge, 173 Arms Hill, Attraction of, 196
— — Climbing of, 173
Australia—
Motor Cycling in, 400
Records, 40, 277
Reliability Trial, 276
Auto Cycle Club de France, 12, 573
Automobile (Hub of France and the, 173
Circuit de Paris, 312, 353, 379 Easter Trial, 277
Hill-climb, 146, 172
Auto Cycle Union—
Annual Dinner, 40
Competitions Committee, 457
Judges, 513
Notes, 4.1, 104, 121, 172, 224, 352, 379
Protest against Awards in Sutton Coldfield A.C. Trial, 40
Silencer Trials, 513
Six Days’ Trials, Prizes in the, 147
Spring Trial, Muddle in, 250
Tourist Trophy Race Fund., 313
Trade and, 251
Automobile Club de Seine et Oise—Le Mans Meeting, 513, 545, 600
Beach Racing in Yorkshire, 65
Belgian Motor Cycle Show, 224
Trial, 399, 429
“ Bicycle Luge,” New Form of Winter
Sport, 65
Birmingham M.C.C.—
Birmingham to York and Back, 40
Passenger Trial, 40
Reliability Trial, 722
Bristol M.C.C. Reliability Trial to Porlock, 573
British Automobile Racing Club Meeting, 723
— .Motor Racing Club. See that title.
Brooklands. Six Days’ Trials and 41 65
Br{\°kda4e M.C.C Hill-climbing ’and Reliability Trial, 683
— War Office Tests at, 353
— for Berlin, A, 66
Canadian Motor Cyclists’ Association, 599
Ceylon, Hill-climb in, 103
Championship Hill-climb in N.S.W., 120
Chest Pads for Racing, 172
Circuit du Rhone (1912), 104
Collier, C. R., 13, 146
Competitions, 12
Coventry and Warwickshire MC.— Boy Scout Manoeuvre. 224
Open Reliability Trial, 250, 486
Cut-outs abolished, 66
Cyclecars. See that title.
Experimental, with Double Engines, 72^3
Records, 683
Cyclists’ Touring Club Circular Tour, 485
De Rosier, Jake, Serious Accident, 353
Derbyshire, Winter Trial in, 103
Dieppe or Douglas, 65
Dinas Mawddwy, 682, 722
First Sidecar up, 656
Doncaster and District M.C.C. Reliability Trial 625
Dublin’Reliability Trial, 512
Engine Power, Increasing, 147
English-Dutch Reliability Trial, 13, 66, 121, 250, 313, 512, 656, 683
Exeter to Penzance and Back, 103
Experiments with Hydrogen Peroxide, 120
Federation Internationale des Clubs Motocylistes, 399
First Motor Cycle Race, 486
France, Number of Motor Cycles in, 13
French Clubs, Amalgamation of, 546
— Trials, 12, 40, 65, 66, 103
Gears, Three-speed Counter-shaft. 250
Gilmour, Mr. D. G., The Late, 197
Globe-girdlers on Motor Cycles, 66
Grand Prix of the A.C.C.F., 429, 599
Hammersmith Speed Limit, Application refused, 546
Herts County A.C., 485
Open Reliability Trial, 12, 41, 66
Suggested Passenger Trial, 13
Hill-climb in Leicestershire, 456
New Zealand, 196
— on Snaefell, 379
Hill-climbing. See that title.
Holland, Motor Cycle in, 575
Honister,Pass, 250
Hotel-keepers and Motor Cyclisis, 65
Illumination of Number-plates, 66
Illuminating the Identification Plate, 683
Imports and Exports, 172, 276, 545, 657
Inter-club Hill-climb at Oakamoor, 625
Inter-team Trial in Surrey, 173
Inter-’Varsity Hill-climb, 512
Invitation Trial in Yorkshire, 12, 41
Isle of Man, Trip to the, 682
Italian Grand Prix, 656
Jake de Rosier Fund, 723
Liability of Road Authorities, 66
Limousine Body suggested, 225
Liverpool A.C.C. at Dinas Mawddwy, 722
Local Government Board and the Noise of Motor Cycles, 251
London County Council, Two Guineas Costs against the, 251
Long, Harry, 20,000 Miles on a Singer Sidecar, 546
Lyons M.C.C. See that title.
Military Motor Cyclists, 103, 276, 513
Mobilisation Scheme, 546, 600
Monster Motor Cycle, 197
Moorhouse, Mr. A. J. See that title.
Memorial Fund, 722
M.C.C. de France—
Annual Reunion, 40
Hill-climb, 277
Motor Cycle in Johannesburg, 573 on the Stage, 251
Paced Races at Easter, 312
Tours in Sweden, 277
Union of Ireland, 513
— Cycles Registered in London, 277
— Cycling Club—
Annual General Meeting, 13
Continental Tour, 147
Exeter Run, 41
Silver Medal Winners in the, 65
Fourth Race Meeting, 722
Reader’s View of the, 40
Inter-team Trial, 599
Land’s End Run, 3P2, 353
London-Edinburgh Run, 120, 429, 545
Team Competition, 457. 512
Team Trial, 683
Motor Cyclist v. Roller Skater, 172
— Cyclists’ Progressive Association, 197, 225
Necessity is the Mother of Invention, 173
New South Wales, Caves Hill Climbed,
— 4. „ • 120
Motor Cycling in, 352
— Speed Limits, 251
— T.T-. Regulations, 457
— Zealand, Racing in, 196, 512
North -west London M.C.C. See that title.
London-Coventry Trial, Results, 624
Notable Hill-climbing Feats, 624
Number of Motor Cycles, 40, 66
Oakamoor, Hill-climbing in Paiis at, 353
O’Donovan, Mrs. D. R., Fatal Accident, 225
Olympia Show, T.T. Entrants and the, 546
Oxford M.C.C., 196
Paris Show, 486, 575
Petrol Consumption, 573
Test, 546
Post Office Motor Cycles for Melbourne, 353
Proposed Speed Limit at Hammersmith,
- 173 Records, 41, 147, 277, 352, 573, 575, 600, 625
Red Rear Lights, 173, 277
Royal Automobile Club—
Illuminated Speed Limit Signs, 197
Obstruction by Tramcars, 378
Touring Guides, 4 56
Warning Signs, 573
R.I.A. Activities, 197, 251*
Scottish Auto Cycle Union, 429, 599
— Six Days’ Trials, 723
Sidecar Counter-shaft Transmission, 575
— Records, 400
Side Lamps for Sidecars, 657
Six Days’ Trials. See Auto Cycle Union.
South Africa, Motor Cycles in, 513
Road Race in, 723
— Australian Speed Trial. 456
— Birmingham M.C.C., Novices’ Trial
— Are they Desirable, 148
— Local Government Board and, 185, 187
Cycle Passenger Attachments, 167, 271
Cyclecars, 225, 365, 369, 392, 575, 710
— Arden, 586
— Autocrat. 269
— Design of, 270. 396, 725
— Four-cylindered, 452
— Glover, 668
— G.W.K., 249
— Gordon 8 h.p., 421
— Night Ride in the Low Cyclecar, 298
— Sabella, 286
— Two-wheeled, 636
— Three and Four-wheeled, 247, 308, 422, 455, 508
Cylinders—
— Cleaning, 732
— Decarbonising, 145
— Discoloured, 532 . _
— Exhaust Lifter, Result when raised, 522
— Formula for finding Cubical Capacity, 2 85
Cyclists Touring Club, Circular Tour, 486
Cyclometer Transmission, 535

Daimler Agricultural Tractor, 413
Daventry, Mobilisation Day at, 483
Davies, B. H., Motor Cycling in 2000 A.D. 708
Decompressor, Criticism of the. 696
Decompressors, 288, 552, 556, 560, 580
De Dion Quad, Converted, 137
De Rosier, Jake, 197, 353, 513
Derby and District M.C.C. Inter-club- Hill-climb, 625
— N. Staffs. A.O. Inter-club Hill-climb, 625
Derbyshire, Sidecar Machine for, 79
— Winter Trial in, 103
Devon, Road Dangers m, 369
— Sidecar for, 208 Differential, Slipping, 184
Dinas Mawddwy Climbed on a Sidecar, 722, 724
— Climbing of, 649
— First Sidecar up, 656
Doncaster and District M.C.C. Reliability Trial, 625
Downie, Miss, Photographs, 292
Drury. Nellie. Photograph, 25
Dry Cells, Coils and, 235
— Testing, 287
— Trembler Coils and, 261
Dublin and District M.C.C.—
— All-day Open Trial, 678
Dublin to Lisburn and Back, 603
— Hill-climb, 316
— Racing at Portmarnock, 489, 548
— Reliability Trial, 426, 512, 514
— v. Belfast. See Motor Cycle Union of Ireland.
Dungeon Ghyll, Climbing, 423
Dust Prevention, 247

Eagle Motor Cycle, 99, 459
Edge Hill. Climbing, 214, 506, 703
Edinburgh and District M.C. Open Hillclimb, 547
— Ango-Scottish Hill-climb, 628-
Electric Lighting for Motor Cyclists, 178, 179, 188, 189, 273
Engine Lubrication, 580

Engines—

Air-cooled, and Low Temperature, 646-
Bushes of, 606
Chater-Lea, 199
Evolution of Timing, 256, 273
Forman, 529
Free, in Important Trials, 185
Future of Design, 239
General Improvement in 1912, 187
Inclined, 148. 170, 195, 222, 245, 273, 370-
Incomplete Fourth Stroke, 615
Increasing the Engine Power, 147
Ingenious Pressure-fed, 223
Inlet Valve Opening, 523
Large Single-cylinder, 234
Noble Precision, 199
Novel Slide Valve, 418
Position, 142
— Inclined v. Vertical, 82
Radiator Fins on V Twin, 192
Singer Racing, 393
Slide Valve Engine without Gear Wheels, 95
Starting, by Pulling up Rear Wheel, 417
Stiff, 690
Testing the Power, 296, 339
Twin-cylinder, 642
Two-cycle, 78
Two-stroke, 108, 109, 110, 143, 169, 221,. 283, 333, 371, 386, 60S
A.C.U. Formula and, 270, 343
Flywheel Construction, 236
When to have Re-bushed, 385
English-Dutch Reliability Trial, 4, 48, 106, 121, 144, 150, 174, 196, 229, 230, 250, 313, 388, 447, 512, 656, 683, 704
British Teams, 623
English Single Figure Gradients, 338
Essex M.C.—
— Annual Dinner, 177
— Open Hill-climb, 275, 317
Excelsior, Trial of the, 643
Exeter and District M.C.C., Round the Coast of Devon and Cornwall, 721
Exhaust Gases, Cooling the, 100, 221
— Injecting Air into, 273
— Timing, 662
— Pipe, 139
— Petrol Leakage on to, 235
"Exhaust Pipe, Radiators on, 260
— Valve, Cooling the, 193 Timing, 330
— Whistle 608
Exmoor, A Week-end Exploring,'705

Federation Internationale des Clubs Motocyclistes, 399
Flywheels, Connecting Rod Touching, 691
— Inside or Outside, 238, 507, 567
F.N. Model, 724
Foot, Control, Adjustable, 390 ?
Foot-starters, 59-62, 111, 234, 270 — Bat, 214
— Half Compression and, 140
Footrests, Value of Two-piece, 448
Fork Design, Steering, 639
Forman Engine, 529
Four-cylinder Machines, 89, 116
— Magneto Timing on, 286
Frame Design, 282
France, Motor Cycle Pastime and Industry in, 334, 336
French View of the Motor Cycle, 252, 308

G. and G. Belt Shield, 181
G.H. Gear, Counter-shaft, Two-speed, 630
G.W.K. Cyclecar, 249
— Trial Run on a, 612
Gear Controls, Stripped Threads on, 556
— Teeth, Brittle, 440
Gears
— Ariel. 640
— Counter-shaft, Two-speed, 139, 630
— Horse-power and, 523
— Hub and Counter-shaft, 617, 649, 675
— Interesting Development, 84
— Lincoln-Elk Two-speed, 495
— Multi-speed Hub Design, 668
— Oiling Engine-shaft, 476, 533
— Pedal Control of the Brown and Kingston, 62
— Prestwick Variable, 156
— Simplex Two-speed Hub, 283
— Three-speed Counter-shaft, 250
— Hubs, Sideslip and, 668
— Two-speed Counter-shaft, 552
— Use of, 208
— Use of, 384
— Variable, 462, 469
— Brampton, 610
— Choice of, 30
— Clutches and, 272, 343
— Experimental Work in, 398
For Sidecar Work, 475
How they are made, 242
Matchless, 332
Motor Cycles and, How to Use, 127
Trial of the Rudge Multi, 446
Tritton, 316
Generator Holder, 80
Generators, Lux, 501
— Thawing, 173, 195, 222, 247, 273, 310
Germany, Motor Cycle in, 240
— Touring in, 476
Gillett, Fred, Balbus and his Wall, 694
Gilmour, Mr. D. G., The Late, 197
Glasgow M.C.C., Open Hill-climb, 515
Glover Sidecar, 669
— Spider Quad, 149
Godfrey, O. C., My Most Exciting Ride, 613
Grand Prix de Champagne, 626
Great North Road, Police Traps on the, 561
Grip, New Twisting, 470
Gudgeon Pin Fixing, 184

Hamilton V Twin, Intermittent Running, 477
Hammersmith, Proposed Speed Limit at, 173
Hammett, Miss Rose, Photograph, 292
Handle-bars, Standardisation of, 611
Harrogate and District M.C.C.—
Herts County A. and A.C. and Inter-club Hill-climb at Easter, 351, 352
Hill-climb at Leathley Bank, 402
— Winter Trial, 23
Head, L. V., Photograph, 287
Head Lights, Anti-glare Attachment for, 123
Healy, J., Two Thousand Miles in Six Days on Irish Roads, 374
Hercules-Precision, 450
Herts County A.C.—
— Annual Dinner, 77
Harrogate and District M.C.C. and Interclub Hill-climb at Easter, 351, 352
Hill-climb at Leath ley Bank, 402
— Intel-team Reliability Trial, 408
— Motor Cycle Section, Control of, 485
— Open Reliability Trial, 12, 41, 66, 91, 131
— Second Open Trial, 346
High-speed Passenger Reliability Trial, 58
Hill-climbing, 25, 49, 73, 102, 119, 120, 167, ? 196, 221, 246, 369. 379, 456 499, 537, 565, 600
— Damage to Hedges at Hill-climbs, 591
Dinas Mawddwy Climbed, Steepest Hill in Wales, 628
— Edge Hill, 7 03
— Formula', 468, 554
Glut of Open Hill-climbs, 581, 609, 613, 728
— “ Spion Kop,” Paignton, 624
— Stoneleigh, 624
— Waning Interest in, 637
Hills-
English Single. Figure Gradients, 338
Steepest in England, 27
Test Hill for Metropolitan Riders, 124
Trembler Coils on, 234
Hiring on a Sunday, 90
Holiday Rides, 553
Holland, Motor Cycle in, 575
Honister Pass, Climbing, 25, 49, 73, 167, 221, 250, 277-80, 299, 302, 314, 343, 371
— Dangers of, 313
Equipments used, 332 Horse-power, Gears and, 523
— Nominal, of Motor Cycles, 63. 100, 221
— Rating, 79
Hounslow to Hook, Poem, by Fred Gillett, 119
Hub Clutches, 184
— D.H.K.. 236
— Fitting, without Alteration to Frame, 209
Hubs, Three-speed, Design of, 503
Humber Twin, 363, 385
Hydrogen Peroxide, 244, 245
— Experiments with, 98, 119, 120, 144, 170 I

Ignition, Carburetter and, 606
— Control, 412
— Timing, 47 7
Imports and Exports, 48, 172, 276, 545, 657
Incomplete Fourth Stroke, 615
India, Motor Cycle in, 675
— Sidecar for, 441
— Two-stroke for, 441
Insurance, Few Points on Motor Cycle, by Douglas Leechman, 182, 183
Intermittent Running, 560
International Competition, 171
Ireland, Motoring in, 210
— Sidecar Tour in, 158
— Single and Twin Machines, 672
— Speed and Reliability Trials in, 514
— Speed Limits in, 400
— The Tax in, 385
Iridium Points, 731
Irish Motor Cycle Union, 316, 513, 514
Isle of Man, Hill-climb, 439. See also T.T. Races.
— Trip to the, 682

Jake de Rosier Fund, 696, 723
Japan, In, with a Sociable, 729
J.P. Tyre and Belt, 181
Johannesburg, Motor Cycle in, 573

Kadugannawa Pass, 647
Kew and Richmond, Road Conditions between, 621, 469, 726
Keyzer, Arnold, Reliability Trial of Cape Peninsula M.C.C., 672
Knocksaughey Hill, Gradient of, 492
“ Knuts.” Warning to the, 556

Ladies’ Heavyweight, Run on a, 303
— Should they Race ? 421, 647, 676, 726, 727
Lady Novice’s Trip to Newcastle, 697
Lady Motor Cyclists—
Leggings for, 358
Mackintosh Costume, 358 .
Should they be Allowed to Race ? 55M
Lady’s Point of View, The Motor Cycle from a, 291
Lamb’s Detachable Wheel, 180
Lamp Generator, Stealing Water for the, 51
Lamps, Handy Blow, 589
— Lenses and, 89
— Miniature Inspection, 181
— Winter Riding and, 49
Launceston, Norman Gateway at, 191

LEADERETTES—

British Motor Cycles in Canada, 471
Competitions (1912), 81
Consumption Comparisons, 263
Contributions to Club Prize Funds, 237
Cost of Production, 1
Cut-outs, Abolition of, 55
— Local Government Board and, 185
Development of the Modern Light¬weight, 609
Free Engines in Important Trials, 185
Future of the A.C.U., 387
Glut of Open Hill-climbs, 581, 609
Holiday Rides, 553
Lights on Sidecars, 387
Manufacturers’ Commendable Decision,
Mobilisation Scheme, 359
Modern Hill-climbs, 499
Motor Cycle Taxation, 4 43, 525
— Cyclists’ Progressive Association, 171
Number-plates, 333
Overloading, 665
Power for Sidecar Work, 581
Should Ladies be allowed to Race ? See Ladies.
The Open Road, 289
Tourist Trophy Race, 1912, 29, 81, 107, 471
Standard Machines in the, 693
— —- — Trade and the, 211
Two-stroke Engines, 333
Unofficial Records, 415. 443
Waning Interest in Hill-climbs, 637
Weight Definition, 525
Winter Runs, 1
Who will adopt the Quadcar ? 133
Leathley Bank, Hill-climb at, 402
— Disqualifications, 454, 539
Leechman, Douglas, Few Points on Motor Cycle insurance, 182, 183
Legion of Motor Cyclists, 602
Leeds Motor Cycle, New Engine with Decompressor, 680
Leicester and District M.C.—
Hill-climb, 456
Motor Cycle Show, 180
Tour of the Rudge Works, 515

LETTERS TO THE EDITOR—

Air-cooled Engines and Low Temperatures, 646
Agency Question, 271, 341
All-weather Motor Cycle, 193
Are Open Hill-climbs being Overdone ? 493
Ashford, Dangerous Corner at, 51
Australian Engineer’s Mount, 246
Auto Cycle Union—
Formula, Two-stroke Engines and, 343, 371, 422
Motor Cyclists’ Progressive Association and, 248, 272, 341, 398
One Day Trial, 273, 341
Six Days’ Trials, 271
Trials, Regulations, 170
Auxiliary Sidecar Coupling, 245
Badges, How to Exhibit, 119, 141, 193, 245, 270
Ball and Plain Bearings, 272
Belt Tightening Tip, 396
Brooklands Easter Meeting, 424
— War Office Test at, 143, 155, 167
Cap Throwing Danger, 591 Carburetter Design, 537
Clashing of Dates, 455 492, 509
Carrying a Camera, 492, 507
Clean Counties, 143
Local Taxation Licences and, 74, 101
Clutches and Variable Gears, 272, 343
Cold Vulcanising, 424
Collapsable Boat mounted on a Sidecar,
Competitions, Suggestion regarding, 537
Compression Ratio, 453
Continental Touring, Duty on Sidecars, 728
Converted High Frame, 397
Cooling the Exhaust Gases, 100, 221
* Valve, 193
Cost of Motor Cycling, 272
Criticism of a New Design, 566
Cut-outs, Proposed Abolition of, 25, 73, 119
Cycle Passenger Attachments, 167, 271
Cyclecar Design, 726
Cyclecars, 369
Design of, 222, 270, 396
Three and Four-wheeled, 508
Damage to Hedges at Hill-climbs, 591
Danger of Uncontrolled Dogs, 565, 618, 676, 726
— cf Running Backwards on a Hill, 537, 566
Dangerous Driving, 646, 67 7
Dinas Mawddwy Climbed, 649
Disqualifications at Leathley Bank, 454
Do Records Appeal to Buyers ? 117
Driving in Traffic, 219
Dungeon Ghyll, Climbing, 369, 423
Dust Nuisance, 247
Electric Lighting for Motor Cycles, 273
Engine Position, 142
— Revolutions, Calculating, 396
English-Dutch Trial, 144
Episode of the Coal Strike, 454
Evolution of Engine Timing, 273
Transmission, 51, 75, 144, 170
Experiences in Southern Nigeria, 118
— of the R.I.C., 118, 167, 168
Experimental Work in Variable Geais, 398
Fifteen Miles with a Broken Valve, 618
Freeing of Seized Pistons, Drastic
Methods, 141 Foot-starters, - 270
French View of the Motor Cycle, 308
Generators, Thawing, 195. 222, 247, 273, 310
Glut of Open Hill-climbs, 728
Gradient of Knocksaughey Hill, 492
Handicapping Club Competitions, 25 Heavy Trio, 219
High-speed Passenger Trial, 102
Hill-climb on Snaefell, 422
Hill-climbing, 25, 49, 73, 102, 119, 167, 221, 246, 369, 537, 565
Holyhead Road, 676
— — at Cor wen, 507
Honister Pass, Climbing, 343, 371
Horse-power Rating, 75
Hub and Countershaft Gears, 649, 675
Hydrogen Peroxide, 119, 144, 170 245, 307
Ideal Military Motor Cycle, 245
Improvised Variable Pulley Gear, 307
Improving Mackintosh Leggings, 621
Inclined Engines, 170, 195, 222, 245, 273, 370
India, Motor Cycle in, 675
Inside or Outside Flywheels, 507, 567
Injecting Air into Exhaust Gases, 273
Kadugannawa Pass, 647
Kew and Richmond, Road Conditions between, 649, 726
Ladies, Should they Race ? 676, 726, 727
Lamp Generator, “ Stealing ” Water for the, 51
Lamps and Winter Riding, 49
Lancashire Clubs and Competitions, 310, 343
Leathley Bank, Disqualifications at, 539
Licences, Clean Counties and, 308
— Issue of, by Foreign Country, 270
Lightweights and Sidecars, 537
— Long Tour in, 453
Liverpool A.C.C., April Trial, 494
Local Taxation Licences, 24, 25, 49, 50
London-Edinburgh Run, 67 7
Lubrication Systems, 26, 51, 72, 142, 195, 507
Magneto Experience, 620
Manufacturers’ Union and Misleading Advertisements, 141
Military Motor Cyclists, 308
Mobilisation Scheme, 593
Moorhouse, Mr. A. J. See that title.
Motor Cycles and Theatricals, 100
— Cycling Club—
London-Edinburgh Run, 677
London-Exeter Run, 74
Silencer Trials, 341
— Cycle Taxation, 591
— Cycling Progressive Association and
— trade-assisted Riders, 308

Multi-pole Sparking Plugs, 24, 50, 74: 102, 118, 143, 169, 220, 248
Nominal Horse-power of Motor Cycles, 100, 221
Novel Sidecar Body, 648
Number-plates, Correct Position of, 307
Passenger Machine Design, 117 Perished Air Tubes, 508
Peroxide of Hydrogen in Acetylene Generators, 396, 453
Petrol Consumption, 620, 646, 677, 728
— Price of, 677
Comparisons, 309, 342, 370, 397, 424, 454, 493, 508
Pillion Seats, 247, 271, 307, 343, 398, 422, 455, 494, 565
Postal Work, Motor Cycle for, 50
Power required for Sidecar Work, 618, 620, 648, 727
Price of Motor Cycles, 728
Private Owners and Trade Riders, Suggestions, 423, 455
“ Pro Bono Publico,” 619
Problem of the Automatic Carburetter, 509, 538, 565, 592, 593, 618, 648, 676
Proposed Silencer Trial, 73
Provincial Shows, Are they Wanted ? 102
Pulleys, Method of Truing Worn, 141 Punctures, 592
Quadcars, Runabouts and, Definition of, 169
— Simple Form of, 194, 270
— Who will Adopt ? 169, 193
Rejuvenating Old Pattern Machines, 494
Riding Conditions in New Zealand, 728
Road Conditions between Kew arid Richmond, 621
— Dangers in Devon, 369
Records, 72, 492, 538
Red Rear Lights in Hampshire, 270
Routes, Daventry to South wold, 117
— Salisbury to Exeter, 675. For other
Routes see that title.
Royal Automobile Club—
Road Guides, Proposed, 193, 220, 221
Warning Signs, 310
Second-hand Sales, Suggestion for, 26
Sheffield and Hallamshire M.C.C., Affiliation and the, 195
Should Ladies Race ? 553, 593, 621, 647
Sidecar and the Coal Strike, 453
— Licence for, 50
— Taxation in Scotland, 507
— Work, Power required for, 591, 592
Sideslip, How to Prevent, 25, 100 Silence, 144, 170
— Silencers and, 72, 102, 219
Silencers in the Big Trials, 170, 219
Single-cylinder Class Limits, 308, 343
— Engines and Sidecars, 493
Six Days’ Trials, Suggested Routes for the, 168, 219
Southampton, Tolls and Taxes, 26
Speed of Motor Cycles in Leamington, 424
Speedometers and Wheel Sizes, 676
Straight, Mr. F., Resignation of, from Auto Cycle Union, 371
Stream-line Body on Racing Motor Cycles, 102, 119, 194
Succombes Hill, near Caterham, 677
Sutton Coldfield and Mid-Warwickshire A.C., Amateur Hill-climb, 508
Swiss Rain Guns, 75
Three and Four-wheeled Cyclecars, 247, 308, 422, 455
T.T. Entrants and the Olympia Show, 565
Tourist Trophy Race, 1912, 73, 74, 101
— — — Trade and the, 493, 509, 539, 566, 675
Transmission, Evolution of, 51, 75, 117, 144, 170, 222
Tricar Conversions, 591
Two-stroke Engines, 143, 169, 221, 371
A.C.U. and, 270, 310
Tyre Repair Hint and Other Items, 100
Tyres, 25, 26 —for Motor Cycles, 618
Tyrol and Back, 167, 195
Ultra Lightweight, 24
Variable Pulley Gear, Improvised, 246
Washing Shower-proof Overalls, 537
Waterproof Motor Cycle Clothing, 24, 50, 51, 72
Weak Axles on Low-priced Sidecars, 565, 618
Winchester, Needless Skidding Danger at, 647
Winter Mudguarding, 24
— Runs, 101, 141
— Trials Results, 49
Why not Paraffin ? 649

Licences—

Granting, by County in which Motorist does not Reside, 147
Issue, etc., 270
Local Taxation, 24, 25, 49, 50, 286
Clean Counties and, 74, 101
Sidecar, 469
Transfer of, 330. See Clean Counties.
Lightweights, Care of, 670
— Convenience of, 440
— Cost of Running, 356
— Long Distances on, 412, 453
— Modern Developments of, 609
— Trial of the Calcott, 391
Limousine Bodies, Suggestions, 225
Lincoln-Elk Motor Cycle, 235
Liverpool A.C.C.—
Interference with Competitors in the April Trial, 494
Open Reliability Non-stop Run, 348
Reliability Trial in North Wales, 434
Local Government Board, Noise of Motor Cycles and, 251
Lomax, Aubrey Manning, The Late, 395
London, Map showing how to Avoid, 266
— County Council, Two Guineas Costs against the, 251
— Motor Cycles Registered in, 277
— New Western Artery for, 201
— Traffic Dodging Routes across, 534
London-Coventry, Trial Results, 603
Long, Harry, 100 Miles a Day on a Sidecar, 411
— 20,000 Miles on a Singer Sidecar, 546
Low Engine, 223
Lubrication Systems, 26, 51, 72, 142, 195, 212, 507
Notes on, 269
Lubricators, 39
Lukin Carburetter, 88
Lycett Trophy. See Birmingham M.C.C.
Lyons M.C.C., Reliability Trial, Restarting Tests in, 485

Mackintosh Leggings, 585
— Improving, 621
Magneto-driving Mechanism, 636
Magnetos, 690
— Care of, 634
— Cleaning, 635
— Cut-outs, 330
— Eisemann Waterproof, 283
— Fitting a Switch, 52
— High and Low-tension, 115
— Low-tension, 523
— Misfiring Experience, 620
— Novel Drive, 242
— Oil in, 260
— Rocking Arm Sticking, 330, 441
— Timing, 27, 215
— Waterproof, 449
Mail Service, Motor Cycle in the, 362
“Making the Best of it,” 496, 504
Manchester, Stoney Brow, Climbing of, 79,
Marseilles M.C.—
— Road Race, 416
— Trials, 40, 312
Martin Automatic Exhaust Pressure Petrol
Feed, 702
Melbourne, Post Office Motor Cycles for, 353
Mersey M.C., Twenty-four Hours’ Trial, 510, 543
Metropolitan Riders, Test Hill for, 124
Middlesbrough and District M.C.C., Richmond Meet of Motor Cyclists, 350
Midland Reliability Trial, 217, 233
Mid-Staffs A.C., Inter-club Hill-climb, 625
Mid-Warwickshire A.C.—
— Amateur Hill-climb, 570
— Sutton Coldfield and, 228
Militaire, Novel Design of Motor Cycle, 231
Military Motor Cycling, 103
Millford Cabrio Sidecar January 25th, 1912
Mobilisation Scheme, 483, 546
— Night Manoeuvring in Surrey, 589
Notes, 200, 243, 366, 444, 500, 513, 531, 562, 616, 651
The Ideal Cycle, 245
Cyclists, 276, 308, 602
Millford Sidecar, 106
Milner, A., Trick Riding on a Motor Cycle, 325 326
Misfiring at Speed, 522
Mobilisation Scheme, 359, 593, 600
— Test, 721
Monster Motor Cycle, 197
Moorhouse, Mr. A. J.—
— Accident, 492
— Funeral, 485 . _
— Memorial Fund, 489, 513, 541, 573, 624, 654, 722
Moto Club Liegois, Reliability Trial, 399
Moto-Reve Clutch, 242 \ R. [
Motor Cycle Club de France—1 v //
— Annual Reunion, 40 v
— Circuit de l’Eure, 544
— Hill-climb, 277, 344
— Reliability Trial, 429
Motor Cycle Manufacturers’ Union—
— Restricting the number of Open Events, 637
— Selected Competitions to receive Support, 652
Motor Cycle Union of Ireland, Inter-city Reliability Trial, 631
Motor Cycling in 2000 A.D., 708
Motor Cycling Club, 96
— Annual General Meeting, 13, 75
— Continental Tour, 147
— Fourth Race Meeting, 722
— Inter-team Trial, 599
— Land’s End and Back Run, 252, 280, 312, 316, 353, 381, 406, 430
— London-Edinburgh Run, 120, 429, 486, 511, 545, 594, 643, 646, 677
— — Awards, 627
— ‘ Magna Cum Cura,” 619
— Members’ Hill-climb, 542
— Opening Run to Brighton, 351
— Silencer Trials, 341, 350
— Team Competition, 457
— Trial, 512, 624, 655
— Trial for The Motor Cycle Challenge Cup, 512. 624, 655, 678, 683
— Winter Run to Exeter and Back, 4, 6-10, 34, 37, 40, 41, 53, 65, 74
Motor Cyclists’ Progressive Association, 157, 171, 197, 315
— Auto Cycle Union and, 248, 272, 281, 341, 398
— First Meeting, 225, 231
— General Meeting, 641
— Trade-assisted Riders and, 308
Motor Pacing, Art of, 563
— Roller Skates, French Production, 201
Mud Flap, Back Wheel, 181
Mudguard Attachments, 611
My Most Exciting Ride, 555, 584, 613, 638
Myhill, A. Renfred, Some Experiments with Hydrogen Peroxide in Acetylene Generators, 98

Natal, New Record made in, 233
— Roads in, 52
Newcastle, Lady Novice’s Trip to, 697
New Machines, Choosing, 27
Delivery of, 142
— South Wales, Caves Hill Climbed. 120
Motor Cycling in, 352
— York Motor Show, 45
— Zealand, Motor Cycling in, 262
— r Racing in, 512
Newsome, W. F., My Most Exciting Ride, 584
Newspaper Distribution by Motor Cycle, 265
Nice, Road Race, 416
Noble Precision Engine, 199
North Staffs M.C.C., Inter-club Hillclimb, 625
— Wales, Sidecar Machine for, 79
Northern League of Motor Cyclists, Richmond Meet, 401
Norton Gallery, 199
Novice’s Queries, 79, 162
Number of Motor Cycles, 68
Number-plates, “ A ” shaped, 390
— Acetylene Generator and, Combined, 608
— Improvised, 260
— Position of, 307, 333
— Transfer of, 27, 28
N.W. London M.C.C.
— London-Coventry Trial, Results, 624
Open Trial to Gloucester, 21, 39
Passenger Trial, Raie and Refreshing Run, 614
— Trials, 513, 576

Oakamoor, Hill-climbing in Pairs at, 353, 372
O’Donovan, Mrs. D. R., Fatal Accident to, 225
— Inter-club Hill-climb, 652

OCCASIONAL COMMENTS—

“'A ” Shaped Number-plates, 390
Accessories, 639
Adjustable Foot Control, 390
— Pulleys, 639
America, Tourist Trophy in, 84
Angle of Radiating Fins, 293
Auto Cycle Union,-Six Days’ Reliability TPriO/ls 503
Automatic Carburetters, 528
Brooklands, Six Days’ Trial, 18
Camera Carrying, 640
Carriage of Spare Belts, 365
Chaperone for the Scottish Trials, 448
Chrome Leather for Belts, 148
Clutch Control Fixing, 639
Consumption Comparisons, 337
Cost of Running a Motor Cvcle, 33, 241
Coventry and Warwickshire M.C., One Day Trial, 556
Criticism of the Decompressor, 696
Cut-outs—
Are they Desirable ? 148
Effects of Abolishing, 58
Cyclecars, 267, 365
Decompressors, 556
Design of Three-speed Hubs, 503
Differentia] Valves, 448
Dissolved Acetylene for Motor Cycles, 528
Drilled Pulleys, 448
Experimental Work in Variable Gears, 293
Foot-starters, 111
Four Gold Medals Lost by Tyre Troubles, 528
Free Engine Refinement, 111
Gears for Sidecar Work, 475
— Interesting Development, 84
Handle-bar Free Engine Control and Sideslip, 58
High-speed Passenger Reliability Trial, 5 8
Hill-climbing Championship, 475
Inclined Engines, 148
Inferior Tyre Repair Outfits, 417
Jake de Rosier, 696
Light for Night Riders, 365
Lighting Dynamos on Motor Cycles, 215
Mackintosh Leggings, 585
Magneto Timing, 215
Motor Cyclists in War, 166
Mudguard Attachments, 611
Multi-speed Hub Design, 668
Novice’s First Machine, 417
Overall Leggings, Selection of, 337
Petrol Consumption, 585
Pulleys, Counter-shaft Adjustable, 611
Quadcars, Definition of Runabouts and, 190
Rear Fork Adjusters, 111
Saddle Design, 556
Scottish Six Days’ Trials, 390
Sensitive Carburetters, 448
Sideslip, How to Pievent, 33
Sidecar Novices, 668
— Tip, 355
Silencers in the Big Trials, 148
Six Days’ Trials, 696
Spiing Deliveries, 18
— Saddle-pillars, 84
Standardisation in 2^00 A.D., 611
Starting Engine by Pulling up Rear Wheel,. 417
— in Deep Snow, 111
Steady Speedometer Needles, 585
Steering Fork Design, 639
Stream-line Bodies as a Weather Protection. 166
Stripped Threads on Gear Controls 556
Tank Suggestion, 668
Three-speed Hubs and Sideslip, 668
Transmission Question, 166, 267
Tourist Trophy Race, Acceleration in the, 190
Tyre Plans for 1912, 215
— Tests at Last I 640
Value of Two-piece Footrests. 448
Warning to the “ Knuts,” 556
Waterproof Magnetos, 449
Waterproofs, 84
Wheel Bearing Lock, 390
Winter Trials, 58

Oil Pump, Automatic, 386
Oil-tight Joints, 413
Old and New Machines, Difference between, 162
Olympia Show, T.T. Entrants and the, 546, 565
One Day Trial. See A.C.U.
Open Road, The, 289
Otago M.C.C., Competitions in New Zealand, 633
Overall Leggings, Selection of, 337
Overalls, Washing Shower-proof, 537
Overheating, 468 .
— Worn Exhaust Valve Seating and, 523
Overloading, 665
Oxford M.C.C., 196
— Members’ Hill-climb, 344
Open Hill-climb, 431, 445
Petrol Consumption Test, 546
Oxford University M.C.C., Hill-climb, 274, 312,512 582,.

Passenger Machine Design, 117
Pastime and Industry in France, by Dagobert, 334, 336
Patch Fixer, 181

PATENTS—

Amac Decompressor, 552
Anti-vibratory Seat Support, 552
B. and B. Carburetter Improvement, 288
Belts—
Dunlop Improvement, 236
Special, 132
Bosch Contact Breaker for High-speed Engines, 332
Carburetter Throttle Mechanism, 156
Chain Belt, 332
Clutch Hub, 132
Decompressors, 288, 580
Detachable Wheel, 674
Engine Lubrication, 580
Exhaust Whistle, 608
Free Engine Refinement, 111
Hub Clutch, D.H.K., 236
Magneto Driving Mechanism, 636
Matchless Variable Gear, 332
Non-skid Device, 524
Number-plate and Acetylene Generator- Combined, 608
Oil Pump, Automatic, 386
— Tap, A Three-way, 386
Rear Springing. 132
Rollo Transmission. 674
Saddle Springing, 132
Sidecar Control, 236
— Improvement, 156
— Joint, 580, 636
Simple Carburetter, 524
Slipping Differential, 184
Speed Gear Transmission Adjustment,. 236
Spring Seat-pillar. 332
Sturmey-Archer Three-speed Hub, 414
Toolbag Attachment, 674
Tricycle Spring Suspension, 288
Two-speed Counter-shaft Gear, 552
Two-stroke Engine, 236, 386, 608
Two-wheeled Cyclecar, 636
Valve System. 414
Valves, Manufacture of Two-piece, 524
Variable Compression Device, 580
— Gear, 156
— Pulley Gear, 524
Zenith Construction, 184

Peel, Quaint. Street in, 163
Petrol Consumption 620, 646, 677, 690, 72 8
Comparisons, 263, 309, 337,340, 342 370, 397. 424, 454, 493, 508, 573, 585, 588
Test in Australia, 259
— Feed, Martin Automatic Exhaust Pressure, 702
— Level, Adjusting, 209
— Mixing Sulphuric Ether in, 191
— Price of, 67 7
— Tank. Suggestion, 668
Pillion Seats, 209, 234, 247, 271, 307, 343, 398, 422, 455, 494, 565

Pistons—

Design, Examples of Modern, by Ubique, 2
Seized, Freeing of, 141
Plug Case, 493
Plugs, Setting Points, 533
Polkey-Jarrott Electric Lighting System, 178 910
Ponette Quadcar, 140
Portmarnock, Racing at, 489
Postal Work, Motor Cycle for, 50
Power, Loss of. 732
Premier, Ladies’ Heavyweight, Run on a,
Price of Motor Cycles, 22, 728
Production, Cost of, 1
Puch Spring Frame Machine, 261, 536
Pulleys, Adjustable, 184, 611, 639
— Belt Slack and. 357
Pulleys, Drilled. 448
— Improvised Variable Pulley Gear, 246. 307
— Method of Truing Worn, 141
— Norton. 199
— Variable Gear, 524

Quadcars. “ Baby,” 177
— Definition of Runabouts and, 138. 169, 190
— Glove : Sidecar. 149
— Simple Form of, 194. 270
— Who will Adopt ? 133. 169. 193

Radiating Fins, Angle of, 293
— — V Twin Engines and. 192
Rand M.C.C.. Competition. 262
Rare and Refreshing Run, by Fred Gillett. 614
Re V Sparking Plug, 181
Rear Fork Adjusters, 111
— Springing, 132
Rebushing, Need of, 260
Records. 72, 353, 450. 573, 575. 6°-5. 724
— American, 225
— Australian Road, Beaten, 277
— Cyclecar. 519. 683
— Do they Appeal to Buyers ? 117
— List of, 147
— Melbourne to Sydney. 132
— Natal, 233
— Sidecar, 277, 400
— Unofficial, 415, 443, 492, 538, 541. 564. 600
Red Rear Lights, 270, 27 7
— Universal. 173
— Warwickshire, 173
Registration, 53, 162. 529
— For Short Periods. 28
— Liability and, 209
— Licence and, 330
— Low Numbers, How to Obtain, 208
Release Valve, Use of, 27
Rip Generator, Friction-driven Electric ’ Device, 189
Road Obstruction, 607
Roc Tricycle, Run on the, 240
Roller Skater v. Motor Cyclist, 172
Rollo Transmission, 67 4

ROUTES—

Aylesbury to Hoylake, 356
Baldock (Herts.) to Llandudno and Back, 412
Bath to Margate, 260
Bewdley-Swanage-Eastbourne, 7 31
Birmingham to Wimbledon, 286
Brighton to the Lakes and Back, 163
Bristol to the Lakes via Doncaster, 286
Brondesbury, N.W., to Tonbridge, 663
Burton-on-Trent to Portsmouth, 28
Cambridge to Marlborough, 561
Cardiff to Harrogate, 690
Cleckheaton to Chester, 476
Colchester to Bristol, 27, 476
Congleton to Well-' (Norfolk) and Back, 356
Coventry to Cardiff, 476
Darlington to Pwllheli. 331
Daventry to South wold, 78, 117
Exeter to Finsbury Park, N., 441
Walthamstow, 412
Harrogate to Brookland-, 732
Cockermouth and Clowyn Bay, 208
— — Leominster, 116
Hastings to Lampeter and Back, 606
Hertford to Clevedon (Somerset), 53
Hingham (Norfolk) to Malvern, 532
Hull to Swansea, 662
Kensington to Wigton (Cumberland), 384
Kettering to Petersfield, 691
Lanark to Gravesend. 532
Langley (Bucks) to Helston (Cornwall), 533
Leeds to Folkestone, 413
Leicester to Bournemouth, 731
Hereford, 78
Talybont-on-Usk, 468
London to Clacton-on-Sea, 635
Holy head, 4 41
Newquay (Cornwall), 634
Weymouth, 522
Macclesfield to Benfleet (Essex), 261
— — Woolwich, 53
Blanchester to Southampton, 440
Map showing how to Avoid London. 266
Melton Mowbray to Cromer, 469
Middlesbrough to Oakenshaw, 162
Mold to Cockermouth. 384
Newport (Mon.) to Leighton Buzzard. 115
— to Brighton, 560
Norwich to Hay (Brecknockshire), 469
Portsmouth to Chatham and Ipswich, 115
Bedditch to Uxbridge. 635
Salisbury to Exeter. 621. 675
Sheffield to Glasgow. 663
Six Days' Trials Route, 653
St. Helens to Starbeck. 27
St. Leonards-on-Sea to Leicester, 385, 441
Sunderland to Southampton. 330
Thames Ditton to Liverpool, 286
Traffic Dodging, Route across London. 534
Tunbridge Wells to Barnstaple. 115
Wem (Salop) to London. 560
Wimbledon to Cheltenham. 286
Woking to Brenzett. Dungeness, 690
Woodbridge to Brooklands, 476
Worthing to Callington (Cornwall), 385
Leckhampton (Glos.), 385

Rover, Run on a. 474
Royal Automobile Club—
— Continental Touring. 728
— Illuminated Speed Limit Signs, 197
— Road Guide Scheme. 193. 220, 221. 252
— Touring Guides, 456
— Warning Signs, 310. 573
Royal Irish Association—
— Activities, 251. 313
— East Surrey Centre of the, 197
Royal Irish Constabulary, Experiences of the. 118, 167, 168
Rudge Multi, Trial of, 446
Rugby. Invasion of. See Coventry and Warwickshire M.C.
Runabouts, Autocrat Cyclecar, 269
— Registration of. 731
— Three-wheeled. 663
Running Expenses. See Cost of Running a Motor Cycle.

Saddle Design. 556
Saddle-pillars, Spring, 84
Saddles, 80
Schickel Engine, 46
Scotland, Sidecar Taxation in, 507
Scottish Auto Cycle Union, 427, 429, 458. 599
— Six Days’ Trials, 723
— Trials, 390
— — Chaperonb for the, 448
Scriven, Jack, Photograph, 532
Sealer, 262
Seat-pillar, Spring, 332, 358
Seat Support, Anti-vibratory, 552
Second-hand Machines, 26, 323
Senspray Racing Carburetter, 659
Sewell, Miss E. E., Cartoon, 97
Sheep on the Highway, 662
Sheffield and Hallamshire M.C.C.—
— Affiliation and the, 195
— Annual Winter Reliability Run, 3^
Shepheard, G. E., Sir Wotabout, Knuterrant, 294
Sidecar Novices, 668
— Storm Apron. 54
— Tip,508
— Work, Power required for, 581, 591, 592, 727
Sidecars—
— Bat, One Day Trial and, 268
— Belts and, 90
— Body, Novel, 648
— Control of, 236
— Counter-shaft, Transmission, 575
— Driving from the-Seat, 32
— Fittings, 181
— Quickly Detachable, 145
— For Milk Round, 287
— Hill-climbing with, 330
— Humber, Climbing Edge Ilill, 214
— In a Sidecar, 349
— Joint, 636
— Licence for, 50
— Lights on, 387
— Millford, 106 n _
— Modern Lightweights and, 537
— N.S.U. 6 h.p. Twin, with Sheet Metal Body, 90, 161
— Power required for, 619, 620, 648
— Puch, 536
— Requirements, 140
— Single-cylinder and, 234. 493
— Single or Twin for, 663
— Six Days' Record. 277. 316, 351
— Sociable. 161. 166
— Stand, 210
— “ Stanguard.” Combined Stand and Mudguard, 306
— Tour in Ireland, 158
— Transmission and Power for, 634
— Tulip. 288
— Two-speed Singles and. 27
— Weak Axles on Low-priced, 565, 618
— Weight of, 287
Sideslip. Handle-bar Free Engine Control and. 58
— How to Prevent. 25, 33. 100
Silencers—
— Auto Cycle Union Trials, 73, 228. 290
— Big Trials and, 148
— Binks, 433
— Improving. 356
— M.C.C. Trials. 341, 350
— New Clair. 145
Sidecars, for, 241
Snake. 199
Single and Twin, Cost of Running, 560
Single-cylinder, Test of a Big Excelsior, 344
Sir Wotabout, Knut-Errant, by Fred Gillett and G. E. Shepheard, 294
Six Days' Trials. See Auto Cycle Union.
Sleeve Protectors, 20
Slide Valve Engine without Gear Wheels, 95
Snow, Winter Ride in the. 164
Sociable—
— A.C. Special Construction. 230
— Week-end on a. 134
South Africa, Motor Cycles in. 513
— African Championship. 233
— Australia M.C.C., Speed Trial, 456
— Birmingham M.C.C.. 146
— Novices’ Trial,’ 225
South-east London M.C.C.. Woolwich
— Plumstead. and District 51.C..
— Interclub Reliability Trial, 319
South Kensington Museum, Interesting Exhibit at, 191
— Wales A.C., Cardiff M.C. and Inter-club
— Hill-climb, 353, 575
Southampton, Tolls and Taxes, 26
Southern Nigeria, Experiences in, 118
Spanner, Novel Adjustable, 156
Spares, Tools and, 126
Spark Advance, Economy and, 234
— Maximum Intensity of, 208
Sparking Plugs—
— Double Spark, 78
— Leather Case for, 304
— Multi-pole, 24, 50, 74, 102, 118, 143, 169, 220, 248
— Re V. 181
Speed Gear Transmission Adjustment, 236
— Limits, 251
Speedometers, 306, 585
— Watford, 645
— Wheel Sizes and, 676
Spencer, L. W., Week-end Exploring Exmoor, 705
Sphinx Flex Jet, 306
Spiers, Miss Mina, Photograph, 291
Spring Deliveries, 18
— Frame Machine, 79 -
Stage, Motor Cycle on the, 251
Starting, Easy, 116, 260. See also Footstarter.
Staxton Brow Hill-climb, 401
Stockport M.C.C., Non-stop Reliability Trial, Photograph, 13
Stolen Machines, 196
Stoneleigh Hill, Climbing, 186, 187
Stoney Brow, Manchester, Climbing of, 79, 103
— Gradient of, 121
Straight, Mr. F.—
— Resignation of, from A.C.U., 371
— Ten Years’ Experience of the Pastime, 451
Streamline Bodies for Motor Cycles, 56, 119, 166, 194, 309
Streatham and District M.C.C.—
— Annual Dinner, 77
Surrey M.C.C. v., 97, 174
— Winter Reliability Trial and Interclub Competition, 151
— Trial for the Orde Cup, 653
Succombes Hill, Fine Climb, 657
Sulphuric Ether, Mixing in Petrol, 191
Sunday, Hiring on, 90
Surrey M.C.C.—
Streatham and District M.C.C. v., 97,174
— Winter Reliability Trial and Inter-club Competition, 151
Sutton Coldfield A.C.—
— Lightweight Races at Aston, 545
— Mid-Warwickshire A.C. and, 228
— Open Amateur Hill-climb, 508, 546, 570
— Reliability Trial, 147, 152, 202-5 Entries, 173, 174
— Regulations, 125
Sweden, Motor Cycle Tours in, 277
Swiss Rain Guns, 75

Tanks, Tapered, 39
Tappets, Adjustable, 78
— Cams and, 235
Taxation, 443, 525, 591
— Business Motor Cycles and, 157, 165
— Registration and, 116
Ten Years’ Experience of the Pastime, 451, 486
Testers. A Morning with the, 186, 187
Theatricals, Motor Cycles and, 100
Three-wheeler, Light, 138
Triumph, Decompressor for, 663
Throttles, Air Valves and, 90
— Valve Opening and, 261
T.M.C 1912 Model, 67
Tolls, Cressage Toll Bridge doomed, 171
Tool Roll, Serviceable, 54
Tools, Spares and, 126
Toolbag Attachment, 674
Touring Abroad, 441
— Equipment, by B. H. Davies, 304
Touring Motor Club of France—
— Grand Prix de Champagne, 573, 599
— Paris to Trouville, 486
— Reliability Trial, 513
Tourist Trophy Race. See Auto Cycle Union.
Tours—
— Lincoln via Oxford to Winchester, Exeter, Gloucester, Warwick, to the Dukeries, 287
— Sidecar Tour in Ireland, 158
— See Tyrol and Back on Motor Cycles.
Tow Top, Climbing on a Sidecar. 394
Transmission, Evolution of, 51, 75, 117, 144, 170, 222
Transmission, Question of, 166, 267
— Silent Chain, 184
Treatise on Tuning up, A, 496, 504
Trembler Coils, Dry Cells and, 261
Trial, What is a Complicated ? 123
Trials, Silencers in the, 170
Tricars, Conversions, 530, 591
Trick Riding on a Motor Cycle, 325, 326
Tricycles, Run on the Roc, 240
— Spring Suspension, 288
Trouser Guard, 304
T.T. Race for Motortrips, A (illus.), 322
Twins—
— Big, Upkeep of, 209
— Cylinder Engines. See Engines.
— Cylinders not taking Air, 261
— For Sidecar and Solo Work, 331.
— Horse-power of, 28
— Powerful Twin of Original Design, 587
— Single v., 140
Two-speed Single v., 52
Two-stroke Engines, 108-110
Tyres. 25, 26, 618
— Inferior Repair Outfits, 417
— J.P. Tyre and Belt, 181, 210
— Method of Repairing Outer Covers, 63
— Plans for 1912, 215
— Repair Hints, 100
— Rubber-studded Covers, 54
— Strength of. 591
— Successes of, 132
— Tests at Last ’ 640
— Wear of, 532
Tyrol and Back on Motor Cycle, by W. Fawcett, 15, 42, 69, S6. 112
— Letters, 167, 195

Ultra Lightweight, 24

Valve and Magneto Timing, 384
— Grinding, 522
— Seatings, Repairing, 385
Valves, A.O.I.V. on Small Twin, 261
— Automatic Inlet, and Overheaing, 162
— Differential, 448
— Manufacture of Two-piece, 524
— Throttle and Air, 90
Vancouver, Freight and Duty to, 357
Vaporiser, Mechanical, 36
Variable Gears. See Gears.
Veloce, Run on the, 557
Ventnor, Tulse Hill Gradient, 246
Voltalite, The, 188
Vulcanising, Cold, 331, 424
V-Twin, Firing Intervals on a, 731

Wales, Dinas Mawddwy, Steepest Hill in, 628
War Office-
— Orders for Motor Cycles, 251
— Tests, 262, 368
Warfare, Motor Cycle in, and on Manoeuvres, 75
Warmington Hill, Climbing, 233
Water, Riding through, 162
Waterproof Motor Cycle Clothing, 24, 50, 51, 72, 84
Watford Speedometer, 645
Week-end on a Sociable, 134
Weight Definition, 525
West Australian M.C.C., Reliability Trial, 276
Westmorland M.C.C.—
— Brigsteer Brow Hill Climb, 409
— Reliability Trial, 498
Who will Win T.T. Races ? by Kirkmichael, 700
Why Amateurs get Beaten, by B. H. Davies, 367
Wilding, Mr. A. F., An All-round Sportsman, 501
Willett, Mrs. K. B., Photograph, 63
Winter Mudguarding, 24, 41, 181
— Runs, 1. 58, 101, 141 in the Snow, 164
— Trials Results, 49
Wireless Telegraphy on a Motor Cycle, 702
Woolwich, Plumstead, and District M.C.
South-east London M.C.C., Inter-club Reliability Trial, 319
Sam Wright|Wright, Sam]], My Most Exciting Ride, 638

Yorkshire A.C., Beach Racing in Yorkshire, 65

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The Motor Cycle 1912 Jan-Jun