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).
Confirmation of specifications for the 10-EX experimental car, with details of planned modifications before testing.
| Identifier | ExFiles\Box 70\1\ scan0062 | |
| Date | 8th December 1927 | |
| To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X8774 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}6/LG8.12.27. 10-EX CAR. 44663 This is to confirm the specification for this car to be available for test Friday :- (1) Standard crankshaft. (2) Standard slipper wheel. (3) Present aluminium head with double valve springs. (4) Present engine, otherwise, except for new pistons to give 4.85 - 1 comp. ratio. (5) New position of steering column. Before being finally taken away on Monday morning early, the crankshaft and damper may have to be changed again. The following parts will have to be fitted :- (1) 16-tooth axle. (2) Rubber engine mounting. We do not require the rubber engine mounting until after the first lot of tests have been carried out. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||