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).
Instruction to increase the number of spring spigots on slipper flywheels for the Goshawk II from 8 to 16.
| Identifier | ExFiles\Box 79\3\ scan0154 | |
| Date | 2nd June 1923 | |
| c. to Hs.{Lord Ernest Hives - Chair} X.4222 BY/Shn1/DB.{Donald Bastow - Suspensions}2.6.23. RE "GOSHAWK II" - SPRING DRIVE - SEC:5020. Please arrange to increase the number of Spring Spigots on the Slipper Flywheels E.51663/4, from 8 to 16. Mr Hives agrees to this, which gives us the opportunity of fitting 8, 12 or 16 springs to obtain the correct friction. The Works drawings are being altered. BY/Shn. | ||