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BSA Motorcycles

BSA Motorcycles 1910

1910-1919 | 1920-1929 | 1930-1939 | 1940-1949 | 1950-1959 | 1960-1969 | 1970-1979

Stanley Show 1910

The Birmingham Small Arms Co., Ltd.
Birmingham. Stand No. 66.
The new B.S.A. motor-bicycle is bound to prove one of the great attractions of the show, and every agent interested in motor-cycles should make a point of thoroughly inspecting it. The engine is of the single-cylinder type, with 85 min. bore and 88 mm. stroke, developing 31, H.P. at 1,500 revolutions per minute. Both inlet and exhaust are mechanically operated; the tappet rods and valve guides are made with a sliding cover, to prevent dirt entering the timing mechanism. The piston has a dome-shaped top; it is both light and strong, and is fitted at the top with two lap-jointed rings. The adjustable pulley used on this machine can be operated without the use of tools, all that is necessary being to take the belt out of the groove, and slide the movable flange inwards along a key. The locking ring can then be screwed up with the fingers to any position. The patent spring fork merits particular attention. The springs are placed in such a position as to strengthen the head and allow of easy access to all front parts. By means of a nut at the top, ready adjustment is obtainable.

An interesting feature of the machine is the magneto box. This is made of aluminium, and is firmly fixed to a platform placed sufficiently high to completely shelter the delicate mechanism of the magneto from wet or dust. Sliding doors at each side allow of easy access to the magneto for timing, etc., and the driving chain of the magneto is adjustable for wear.
Exceedingly heavy fly-wheels are fitted, and we learn that it is possible to control the machine at as low a speed as three miles an hour; while those who have ridden the machine state that the engine is exceedingly flexible, and that. it instantly picks up after being retarded. The silence of the engine with the cut out closed is particularly noticeable. The machine has a low frame, and this, with the' long handlebars provided, and the convenient position of the foot-rests, makes the B.S.A. motor-bicycle a most comfortable mount. The general appearance of the machine is neat and workmanlike, while of the workmanship it is only necessary to say that it is quite up to the famous 13.S.A. standard. The retail price is £50, or when fitted with free engine. 256 10s.

Sources: Grace's Guide

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