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).
Clutch tests, requesting to fit standard RAD.11 material to the centre plate with specific movement tolerances.
| Identifier | ExFiles\Box 103\1\ scan0105 | |
| Date | 11th June 1934 | |
| +5300 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}12/KW.11.6.34. 21-G-IV Clutch Tests. Will you please fit the standard RAD.11 material to the centre plate with .015 movement which is at present in the Stores, and fit it to the car. When this plate is fitted the back plate movement should be .005". The clutch centre plate should also be made solid. Hs{Lord Ernest Hives - Chair}/Tm. | ||