Associated Springs Ltd of Corporation Street, Stafford produced ASL motorcycles from 1909 to 1914.
1910 Cycle and Motorcycle Exhibition
Air Springs, Ltd.
Stafford. Stand No. 267X.
The A.S.L. are staging seven motor-cycles, one pedal cycle, and a Triumph motor-cycle fitted with the A.S.L. 1911 seat-pillar spring. Our representative was informed that, later on, during the Show week, there will also be on view the world's fastest 2 3/4 H.P. motor-cycle, the Martin A.S.L., which covered the kilometre at Brooklands on Aug. 17th in 32.76 secs.—a speed which works out at slightly over 68 miles per hour. The 3 H.P. model is fitted with J.A.P. or White and Poppe engine, whilst the more powerful machine has a 5 H.P. Peugeot. Handlebar control of air, throttle, and advance on magneto is arranged for both types, which it should be noted, are each light in weight and embody sundry improvements and modifications that have been introduced for the 1911 season. The pedal cycle has a single fork this year, and the "A.S.L." seat-pillar spring is now attached to the tube by swinging links as in the motor-cycle model, thus giving better results than hitherto.
1913 An unusual design appeared. This had a chain-driven two-speed gearbox, mounted ahead of the engine rather than behind, from where it drove the rear wheel by a long belt with pulleys much the same size. A conventional three-speed gearbox was a further option for the single.
1914 Engines used were single and V-twin Precision as well as a 5hp Fafnir V-twin. All models had front and rear air suspension and a three-speed Sturmey-Archer gearbox. It was the last year of production.
Sources: Graces Guide
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