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).
Requesting an alteration to drawings for forged steel pressure plates, specifying that splines should be hobbed, not ground.
| Identifier | ExFiles\Box 85\2\ scan0058 | |
| Date | 27th December 1933 | |
| To By.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} X212. c. to E.{Mr Elliott - Chief Engineer} c. to Dn. c. to Sft.{Mr Swift} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}19/KW27.12.33. Clutch Pressure Plates. -------------------- We notice that the details of the forged steel pressure plates to N.Sch.3900 call for grinding of the splines. We understand that these should be accurately hobbed and not ground. Will you please alter the drawings accordingly. We shall not grind the experimental pieces. Hs{Lord Ernest Hives - Chair}/H.Grylls. | ||