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).
Progress report on a 20 HP crankshaft and 'Bump' rig component testing.
| Identifier | ExFiles\Box 65a\3\ scan0266 | |
| Date | 22th November 1930 | |
| -2- Completion of C.I. crankcase for latest 20 HP. crankshaft. Bump. (1) Rear shock dampers stripped and examined. They have completed 50 hours running. (2) Low rating front springs (see A.J.L.) fitted for test. (3) Parts required for taking indicator diagrams of cantilever battery support on bump. (drawings handed to you Hs.{Lord Ernest Hives - Chair}302 and Hs.{Lord Ernest Hives - Chair}308 22.11.30). Hs{Lord Ernest Hives - Chair}/I.A.Leslie. | ||