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).
Inspection report on a car following a complaint of poor petrol consumption, detailing checks and test results.
| Identifier | ExFiles\Box 107\3\ scan0061 | |
| Date | 2nd February 1937 | |
| Typed 2.2.37. To Rm.{William Robotham - Chief Engineer} G.H.A.12. Mr. Wilmot, Lodge Plug Co. The above car was inspected very carefully as follows upon receiving complaint of poor petrol consumption from the owner. Ignition Wiring checked O.K. Tappet clearances checked O.K. Carburettor jets and plugs checked O.K. Consumption tests were carried out as follows;- Speedometer mileage recording checked O.K. Constant speed of 60 mph. gives 15 mpg. " " " 50 " " " 18 " " The carburettor cannot be set any weaker without affecting performance. Rm{William Robotham - Chief Engineer}/G.H.Ratcliffe. | ||