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).
The distribution of chassis and body weights between the front and rear wheels.
| Identifier | ExFiles\Box 43\2\ Scan057 | |
| Date | 28th June 1925 | |
| Oy1-E-62625 June 28, 1925. Handwritten: File: "Car & Chassis Wts" DISTRIBUTION OF CHASSIS AND BODY WEIGHTS | | Total | Front Wheels | Rear Wheels |---|---|---|--- | Chassis with bumper and battery (tanks full) | 3645 | 1845 | 1800 | Tools and Spares | 35 | 18 | 17 | Spare Wheels and Tires | 167 | 110 | 57 | Total | 3847 | 1973 | 1874 | Front Mudguards (complete) | 106 | 90 | 16 | Rear Mudguards (complete) | 40 | -- | 40 | Running Boards (complete) | 63 | 21 | 42 | Spare Wheel Carrier and Dummy Hubs | 32 | 22 | 10 | Head Lamp irons | 11 | 11 | -- | Valances | 10 | 3 | 7 | Chassis Complete | 4109 | 2120 | 1989 | Lamps | 30 | 23 | 7 | Total | 4139 | 2143 | 1996 | ||