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 from Mr. Royce to change the bevel gear ratio for the 'Vulture' rear axle to 4.75 to 1.
| Identifier | WestWitteringFiles\D\February1920\ Scan45 | |
| Date | 19th February 1920 | |
| ORIGINAL. D 4 EL/G12/29 19.FEB 1920 To HA. from E.{Mr Elliott - Chief Engineer} Copy to Co. BN.{W.O. Bentley / Mr Barrington} HS.{Lord Ernest Hives - Chair} CK.{Mr Clark} X.3843. RE "VULTURE" REAR AXLE. I am desired by Mr. Royce to inform you that the ratio of the bevel gears for the Vulture rear axle should be 4.75 to 1, and to ask you to alter the bevels in your N.scheme 49 to this ratio, and kindly send a fresh print from the altered scheme. E.{Mr Elliott - Chief Engineer} | ||