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).
Comparative report on the oil consumption of Mobiloil Arctic and Castrol CW in a Bentley B.56 BN.
| Identifier | ExFiles\Box 144\3\ scan0181 | |
| Date | 15th March 1937 | |
| 1220. To Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Bentley B.56 BN{W.O. Bentley / Mr Barrington}-Oil Consumption. 15.3.37. Comparative oil consumption figures with Mobiloil Arctic and the new Castrol CW. 1st Test CASTROL CW. Miles run........ 200. Average speed.... 44.5 mph. Oil consumption... 1066 mpg. Oil used......... 1 1/2 pts. 2nd Test Mobiloil Arctic. Miles run ...... 211. Average speed .. 44.5 mpg. Oil consumption. 964.5 mpg. Oil used ....... 1 3/4 pts. Obviously there is no difference between either of these oils with regards to oil consumptions. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||