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 for the 5.PER.II model over a specific route.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page261 | |
| Date | 19th April 1933 | |
| 4027a 19.4.33. PETROL CONSUMPTION ON 5.PER.II. Route, Buxton, Glossop, Bakewell. Distance 116 miles. Time 2 hrs. 52 mins. Average speed 40.4 MPH. Petrol used 7.5 galls. Petrol cons. 15.46 mpg. R.{Sir Henry Royce} R.{Sir Henry Royce} Semi Expanding Carb. FD.{Frank Dodd - Bodies} | ||