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. | ||
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).