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).
Request to manufacture a Torsional Vibration Damper for a 25 HP engine, specifying materials.
| Identifier | ExFiles\Box 137\4\ scan0374 | |
| Date | 17th August 1931 | |
| γ634. To RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}9/MJ.17.8.31. TORSIONAL VIBRATION DAMPER. Will you please make a damper for the 25 HP. to the accompanying sketch (Hs.{Lord Ernest Hives - Chair}433). If you do not consider the driving member machinable out of S/CV. then will you please make it out of S/ZN. We should like to try this member type of damper as soon as possible. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||