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).
Requesting modification of engine pulleys to accommodate a new Ferodo fan belt for endurance testing.
| Identifier | ExFiles\Box 94\5\ scan0051 | |
| Date | 30th December 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Std. x 384 Rm{William Robotham - Chief Engineer}/Std.7/MH.{M. Huckerby}30.12.37. FAN BELT ENDURANCE ON PH.III NO.6 UNIT- PULLEYS FOR SAME. We find that with the new Ferodo belt which we wish to test on the above engine the existing pulleys have incorrect width of Vee and angles of Vee owing to the fact that these pulleys were designed for British Goodrich belts. In order to correct this, will you please modify the two pulleys which we hand you (driving EX.28138, and driven EX.26731/A) to EXS.351/2 attached respectively. This only entails skimming out the Vees. These pulleys should then be fitted to No.6 unit as previously requested. Rm{William Robotham - Chief Engineer}/Std. | ||