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).
List of wheelbase dimensions and fluid capacities.
| Identifier | ExFiles\Box 127\4\ scan0043 | |
| Date | 31th May 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/PD.1/JH.31.5.37. Wheel base 9 ft. 3 ins. Capacities petrol tank 12 galls. Radiator 3 galls. 3 pts. Sump. 1 1/2 galls. Rm{William Robotham - Chief Engineer}/F.Dodd. | ||