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).
Pitting on a servo worm wheel after a 100-hour test on a Bentley Dynamometer Chassis.
| Identifier | ExFiles\Box 152\2\ scan0233 | |
| Date | 29th September 1938 | |
| To EY. from HPS{Horace Percy Smith - Experimental Factory Mgr}/LK.{L. King} c.c. SS.{S. Smith} c. Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} HPS{Horace Percy Smith - Experimental Factory Mgr}/LK.{L. King}1/VS.{J. Vickers}29.9.38. BENTLEY DYNAMOMETER CHASSIS. We attach hereto for reference photograph of servo worm wheel Ex.29872 after completing 100 hours' test on the above chassis - note "pitting" on the face of the gear teeth. HPS{Horace Percy Smith - Experimental Factory Mgr}/L. King. | ||