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).
Instructing the swapping of flywheels and clutches between two engine units for experimental purposes.
| Identifier | ExFiles\Box 85\2\ scan0172 | |
| Date | 27th April 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X212 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}5/KW.27.4.35. Flywheel Experiments. Will you please remove the flywheel and clutch at present fitted to B-9 unit, and fit it to Y4BB, as we want to make sure that we retain a smooth engine on more than one unit. The standard flywheel and clutch at present on Y4BB should be fitted to B-9. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||