Bradbury Motorcycles

Bradbury Motorcycles 1902

Report from the 1902 Stanley Show

Stand 76. Bradbury and Co, Oldham, have in their new motor-bicycle struck out on somewhat new lines. The engine is placed vertically, and the case of the engine is a malleable casting in which the whole of the lugs and the crank bracket shell are included. Consequently the crank case of the engine can, without any fear of fracture, be used as part and parcel of the frame. The pulley side of the crank case is an aluminium plate. The cylinder dimensions are 66mm. bore by 76mm. stroke. The cylinder is cast in one piece with the head, and the silencer is placed close to the exhaust outlet. A surface carburetter is provided, but a spray is optional. A wipe contact is used with a Peto and Radford accumulator, and a trembler coil with Carpentier trembler. The positive terminal of the contact breaker has a spring behind it to keep it always up to its work.

The connections for the wiring are exceedingly simple and effective, as they are effected by spring snaps. The first movement of the exhaust valve lifting lever cuts the current. Lubrication is provided by a pump placed conveniently at the fore part of the tank, where the oil reservoir is situated. The drive is through a Lincona belt, the gearing being about seven to one. The girder front forks are particularly good. On a 2.5 h.p. machine shown there is provided an extra rear seat readily attached and detached, and carrying an extra tank, with compartments for both oil and petrol. The rear passenger places his feet on a pair of pedals provided for the purpose. A well-designed trailer is exhibited, and a motor-bicycle driven by a Clement engine with a chain drive is also shown.

Motor Cycling, 26th November 1902

1902 model specification

Bradbury-1902.jpg
Bradbury 1902 Motorcycle

    Frame - Specially strengthened, built with Tandem Hubs, back stays, chain stays, and specially designed bridge.
    Wheels - 28 in. high tension spokes.
    Rims - Jointless hollow motor cyclerims, plated all over.
    Tyres - Clincher, A-Won motor cycle tyres, 2 in.
    Handlebar - Straight, or to order.
    Cranks - 7 in. toughened steel.
    Gear - 67 1-5th in., 24 x 10, or to order.
    Chain - Appleby or Renold's 1/2in. roller.
    Pedals - Full size, fitted with best rubber blocks.
    Mudguards - Extra width, strongly fitted, free from rattle.
    Saddle - Brooks' B 28 or B 90.
    Free Wheel - Bradbury.
    Motor - Minerva 1 1/2 h.p. new pattern engine, fitted with new sparking plug, oiling valve apparatus, and automatic enlarged exhaust valve.
    Brakes - Bradbury front rim and Bowden inverted lever back rim.
    Finish - Usual parts heavily plated, frame, tank, and carburator enamelled black, tank and carburator lined.

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