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).
Design specifications for the 'Goshawk I & 11' steering wheel.
| Identifier | ExFiles\Box 49\4\ Scan236 | |
| Date | 27th January 1921 | |
| X4264 To Da. {Bernard Day - Chassis Design} from E. {Mr Elliott - Chief Engineer} c. to CJ. c. to Wor. {Arthur Wormald - General Works Manager} c. to Hs. {Lord Ernest Hives - Chair} c. to EFC. {E. Fowler Clarke - Electrical Engineer} E2/G27.1.21. X.3540. X.4264. RE STEERING WHEEL - "GOSHAWK 1 & 11". Referring to N. scheme 732, would you kindly note the following :- (1) Mr. Royce thinks the wheel should be 16.5 inches outside diameter. (2) The rim should be notched on the inside, instead of underneather. (3) The section of the rim should be 1.400" on the outside of notches, and 1.20 inside of notches, and the rim 1" thick. (4) The boss of the steering wheel should not be split, but should be mounted on a taper with key. (5) The steering column on the portion that is above the ball containing the thrust race, should be 1.125" outside diameter. E. {Mr Elliott - Chief Engineer} | ||