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).
Gearbox technology, comparing silent second speed with synchro-mesh and epicyclic gears.
| Identifier | ExFiles\Box 179b\2\ img152 | |
| Date | 22th November 1932 | |
| -2- Hs.{Lord Ernest Hives - Chair}4/HI.22.11.32. Cont'd.{John DeLooze - Company Secretary} Our silent second speed on the present gearbox would satisfy us for a period, conditions will then demand that we shall have a synchro-mesh second speed. Also, of course, we cannot afford to neglect the complete epicyclic gear. Hs.{Lord Ernest Hives - Chair} | ||