From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Vehicle test report detailing steering characteristics, component specifications, and hill climb performance.
| Identifier | ExFiles\Box 126\2\ scan0013 | |
| Date | 17th March 1921 guessed | |
| -3- Steering. Reversible - heavy - no attempt to return. No wobbles - no heavy road shock felt. Diameter of circle to turn car - Right hand 44 ft. Left hand 51' 1" Lean of pivots. N.S. 3/16" } O.S. 3/8" } taken between 9½' centres. Length from centre of front universal joint to centre of rear axle - 61". C.A.V. Starter and Generator - separate units. Propeller shaft exposed - fabric universal joints at each end. Battery slung from floor boards at side of propeller shaft. Thermo syphon cooling assisted by impellor mounted on fan spindle. Dynamo and fan driven by one belt. Timing gears driven by silent chain. Electric starter motor operates on gear ring on flywheel. No breather to crankcase. Change speed and Hand brake quadrants carried on gear box. Hand brake shaft runs right through top of gear box. Gears overhang in gear box - very poor design - noisy. Hill climb loaded to equal 4 passengers. Start 1st. 2nd. 3rd. Time mis. secs. M.P.H. M.P.H. M.P.H. 0 10 10 10 30 25 26 26 1 0 28 28.5 27.5 1 30 28 29 29 1 49 30 1 m.{Mr Moon / Mr Moore} 47 s. 30.5 1 m 46.5 s 30.5 ---------oOoOoOo--------- | ||