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 sets of springs for a 25 HP low inertia spring drive.
| Identifier | ExFiles\Box 103\3\ scan0127 | |
| Date | 5th November 1931 | |
| X5020. To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}3/KT.5.11.31. 25 HP. LOW INERTIA SPRING DRIVE. Will you please make sets of springs to the accompanying drawings Hs.{Lord Ernest Hives - Chair}461 and E.56200 (modified), in order to raise the driving spring load on the stops to 16 - 17 lbs. at 17 1/2" radius. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Attached prints Hs.{Lord Ernest Hives - Chair}461 & E.56200. | ||