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).
Oil consumption for unit C.16, detailing test run metrics and component specifications.
| Identifier | ExFiles\Box 144\3\ scan0070 | |
| Date | 7th July 1936 | |
| X1220 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/WB.{Mr Brazier/Mr Bell}6/JH.7.7.36. Oil Consumption 21-G-IV - Unit C.16. D type 32.2 sq/inch.lbs. scraper rings fitted to pistons, otherwise standard. Total miles to date on these rings 683. Oil used 3.25 pts. Average Air Temp. 19°C. Miles run 182 " oil " 76°C. Average speed 44.5 m.p.h. " Water " 79°C. Oil cons. 44.8 m.p.g. Oil pres. 26 sq/inch.lbs Petrol cons. 13.2 Hs{Lord Ernest Hives - Chair}/W. Brazier. | ||