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).
Table outlining anticipated weight savings for various vehicle parts.
| Identifier | ExFiles\Box 88\3\ scan0107 | |
| Date | 1st February 1935 guessed | |
| -2- Part Anticipated Wt. Saving Possible Remarks Brought Forward 14½ lbs. 3 ozs. Dynamo reduced in size 6 lbs. Design for increased speed of drive wants completing. Flywheel & Clutch 20 lbs. Design required to increase flywheel bearing rigidity to allow disc flywheel to be used. Propellor Shaft and Damper 10 lbs. We have a Hardy Spicer suitable for the Bentley about this weight Total 179 lbs. | ||