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).
Condition of a vehicle's body and tyres post-test, including performance data.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan100 | |
| Date | 4th May 1926 guessed | |
| - 2 - Body. The body generally has remainde in good condition. The window dividing driver's seat from the rear of the car, jammed on one occasion and took some time to get free again. There are rattles coming from doors and windows, but we do not consider these bad under the conditions which car has run. Running boards and rear wings have remained in good condition. The body has been free from exhaust booms. Total weight of car with cabriolet body, 14 gallons of petrol, water, oil, tool kit, driver and assistant.--------------------------------------1 Ton 16 Cwts. Total average speed during test.---------------------------------35.74 M.P.H. Total average petrol consumption.---------------------------------17.86 M.P.G. Total average oil consumption.------------------------------------955.95-M.P.G. Weather conditions during first part of test was cold and wet;and remaining half has been fair. Tyres. "Dunlop cord extra heavy wired type 5 1/4 for 21" rims. Pressures. Front 30 lbs.;rear 40 lbs. per sq. inch. Average life of front tyres. 8477 miles Average life of rear tyres. 3648.miles. G.W.Hancock. | ||