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).
The oil consumption of trial cars GUL-82 and GUL-1.
| Identifier | ExFiles\Box 144\3\ scan0079 | |
| Date | 9th July 1936 | |
| S/W. Rm.{William Robotham - Chief Engineer} Trials Car Oil Consumption. Cxll/KW9.7.36. In reply to your Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}12/KW3.7.36, RC{R. Childs} reports that GUL-82 has now covered 2,925 miles and consumed 4 1/2 gallons of oil, an average of 650 m.p.g. With regard to GUL-1, the total mileage to date is 1036. For a run of 230 miles at the week-end only one quart of oil was required to bring it up to the proper level, which shows an average of 1020 miles to the gallon. If you would like a still further report on these cars in another month's time will you please let me know. Cx.{Major Len W. Cox - Advertising Manager} Lumb | ||