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).
Modification to the 2nd speed dogs following a 10,000-mile test on Hancock's car.
| Identifier | ExFiles\Box 86\4\ scan0067 | |
| Date | 21th December 1933 | |
| File To E+ from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} c. to By.{R.W. Bailey - Chief Engineer} X228. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}6/KW21.12.33. Herewith is a sketch showing the way in which we backed off the 2nd speed dogs on Hancock's car on the last 10,000 miles test. GWH.{George W. Hancock - Head Chateauroux} is of the opinion that this modification greatly improved the ease of the second speed change. Now that this has completed the 10,000 miles satisfactorily we should like to fit it to both the 20/25 and the Phantom. By had own sketch made Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||