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).
Petrol consumption test and resulting mechanical failures.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page257 | |
| Date | 11th March 1933 | |
| 1.Per.II. 11.3.33 Petrol consumption test over 414 miles = 15.94 m.p.g. 42 m.p.h. Max. Oil Temp. 100°C. Air Temp. 15°C. Both rear shock damper brackets to frame broke off. Petrol pump fails occasionally. | ||