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 figures for a Bentley 3.B.1V, Unit B.18, after a test run with new parts.
| Identifier | ExFiles\Box 144\3\ scan0131 | |
| Date | 8th December 1936 | |
| J1220 To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} 8.12.36. Herewith Bentley 3.B.1V. Unit B.18. oil consumption figures with sealed power single cast rings. Fitted to a new cylinder block with new pistons a complete set of sealed power cast rings. Miles run..................200 Average speed..............49 M.P.H. Oil Consumption............1,830 M.P.G. Average air temp...........8.5°C. Average water temp.........80°C. Average oil pressure.......23.5 lbs.sq.in. Mobiloil Artic used. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||