Methods for quieting over-run noise on Bentley axles at 40 MPH.
| Identifier | ExFiles\Box 98\1\ scan0116 | |
| Date | 23th November 1937 | |
| To Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} . from Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} ci to By. {R.W. Bailey - Chief Engineer} B/F Axle 200B 402. Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} 28/N.23.11.37. FJH {Fred J. Hardy - Chief Dev. Engineer} Re: Bentley Axles - Quieting Over-run at 40 M.P.H. With reference to your memo Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} 3/AP.16.11.37, we would refer you to Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} re the preloading of the pinion bearing in relation to reducing the over-run axle noise at 40 M.P.H. Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} was the instigator of this method and should be able to give you all the information you require. See memo Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 3/R.13.9.37. FJH {Fred J. Hardy - Chief Dev. Engineer} Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} | ||
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).