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 an experiment on a gearbox to test for wear on 3rd speed bushes with an adequate oil supply.
| Identifier | ExFiles\Box 94\2\ scan0305 | |
| Date | 4th January 1938 | |
| 328 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}11/AP.4.1.38 GEARBOX 8.HS.{Lord Ernest Hives - Chair} By.{R.W. Bailey - Chief Engineer} has asked us to carry out some experiments to find out whether 3rd. speed bushes wear when there is an adequate oil supply inside the shaft. Will you please, therefore, fit to No.8. box 3rd. speed bushes in bronze with .002" inside and outside clearances and .001" end float. We shall require a ¼" diameter hole in the plug at the rear end of the 3rd. motion shaft through which we shall feed oil. This test will be done on 30-EX. dynamometer chassis. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||