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).
Extract from a memorandum concerning the 3-speed gearbox and the increasing weight of complete cars.
| Identifier | ExFiles\Box 3\2\ 02-page084 | |
| Date | 9th September 1920 | |
| R.R. 129A 10m 1/20 B.B. & S. (P.273) X200 Extract from Hel/LG-9.9.20. X.3720. RE - 3 SPEED GEARBOX. X.200. Another point we should like to emphasize is the fact that the weight of complete cars is going up. We have instructions for a number of chassis which, complete with normal load, will weight just over 3 tons. The average weight of cars now is appreciably heavier than pre-war cars. HS.{Lord Ernest Hives - Chair} | ||