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).
Engine component wear test report detailing procedures and results for various tests.
| Identifier | ExFiles\Box 103\2\ scan0037 | |
| Date | 11th March 1939 | |
| -8- (A) Cont'd.{John DeLooze - Company Secretary} TEST No.3. Cont'd.{John DeLooze - Company Secretary} 50 cycles completed. Result: wear - nil. TEST No.4. Parts under test: As Test No.1. Method of test. Engine returned to test bed. (Dirty oil inserted in sump. 1 cycle.(External filter removed. (Start up, run 30 mins at 3500 r.p.m. light. (Shut down and allow to cool from 80°C to 15°C. 50 cycles completed. Result: wear - nil. (B) TEST NO. 1. Parts under test. Cyls. 1, 2 and 3 Sheepbridge Stokes liners. Cyls. 4, 5 and 6 R.K. Phosphor Chrome. Mobiloil Arctic oil. Method of Test. ( Start up, and run immediately at 500 r.p.m. light for 15 1 cycle ( minutes (water temp. reached 80°C). ( Shut down and run cold water through the engine for 15 minutes. 100 cycles completed. Result: wear - .0004". | ||