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).
Performance and consumption report for a 6. B. IV. Bentley.
| Identifier | ExFiles\Box 83\1\ scan0257 | |
| Date | 15th October 1936 guessed | |
| ( 18 ) 6. B. IV. - BENTLEY. Weight of Car.......... 1 Ton 13 cwt. 1 qr. 7 lbs. Total Average Speed..... 48.5 MPH. Total Average Petrol Consumption.... 12.3 m.p.g. Total Average Oil Consumption....... 1,341 m.p.g. Petrol Used ............ Azur Esso. Oil Used. Engine.... Wakefield's Castrol "XL" Gearbox... ditto. Tyres Used. ............ India Super 6.00 x 17 Dunlop Fort 6.00 x 17 ------------------ CWH/IMW.{Ivan M. Waller - Head of Chateauroux} | ||