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(Experimental 6 CYL OHV LONG STROKE / Aero Engine)" REAR AXLE. I am desired by Mr. Royce to inform you that the ratio of the bevel gears for the Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine) 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} | ||
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).