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).
Test results for a torsional crankshaft and valve stretching.
| Identifier | ExFiles\Box 106\5\ scan0158 | |
| Date | 25th April 1936 | |
| -3- HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer})/KW.25.4.36. Hancock should shortly be able to let us know whether he runs into the top torsional crankshaft period with them fitted or not. Also, in a very short time we should have information as to whether the valves are stretching or not. We have impressed Hancock with the necessity for giving us some results quickly. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||