Test results for two types of Bentley III rear axle shafts with different bearings.
| Identifier | ExFiles\Box 98\1\ scan0146 | |
| Date | 24th March 1939 | |
| 402. To Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} from HPS {Horace Percy Smith - Experimental Factory Mgr} /Bl. HPS {Horace Percy Smith - Experimental Factory Mgr} /Bl.3/CB.24.3.39. BENTLEY III REAR AXLE SHAFT TESTS. Herewith statement of running times, speeds and loads for the two types of shaft - 45 m {Mr Moon / Mr Moore} /m and 40 m {Mr Moon / Mr Moore} /m bearings - tested to date :- 45 m {Mr Moon / Mr Moore} /m. 1.0 ton. 1,000 R.P.M. 101 hours. 1.5 " 667 " 100 " 2.0 " 500 " 111 3/4 " * * Noise developed approximately 20 hours before rig was stopped. 40 m {Mr Moon / Mr Moore} /m. 1.0 Ton. 1,000 R.P.M. 100 hours. 1.5 " 667 " 100 " 2.0 " 500 " 75 " The shafts, bearings, etc. are herewith submitted for your inspection, but we would like them back later for crack testing. HPS {Horace Percy Smith - Experimental Factory Mgr} /W. Bell. W. Bell | ||
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).