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).
Modifications for the J.4. gearbox, specifically the change gear lever, gate, and brake pedal mechanism.
| Identifier | WestWitteringFiles\V\March1931-September1931\ Scan330 | |
| Date | 24th July 1931 | |
| PY. FROM DA.{Bernard Day - Chassis Design} C. to SC. HS.{Lord Ernest Hives - Chair} ORIGINAL DA{Bernard Day - Chassis Design}2/M24.7.31. (468) r5310. J.{Mr Johnson W.M.} 4. GEARBOX. Herewith we send N. schemes 3320/21., shewing respectively the modifications to the change gear lever and gate, and the modifications to the brake pedal mechanism. In place of the special countershaft bracket it is possible to use a standard bracket with about .175 packing. DA.{Bernard Day - Chassis Design} | ||