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).
Test results for a car with a limousine body, detailing weight, performance, and tyre specifications.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan178 | |
| Date | 1st November 1925 guessed | |
| - 9 - Total weight of car with limousine body, 20 gallons of petrol, water, oil, tool kit, ballast, driver & assistant .................................... 2 tons 19 cwts. Total average speed during test .................. 39.10 m.p.h. " petrol consumption " " ................... 10.56 m.p.g. " oil " " ................... 3715.94 m.p.g. Weather conditions during test have been mostly wet & cold. Standard "Dunlop" 33 x 5 S.S. Cord Tyres used on test. Pressures used on test - Rear 55 lbs. Front 50 lbs. sq. inch. G.W.HANCOCK. | ||