Comparison of friction torque figures for different bearing setups in Marles Steering gears for the Ph.III and 25 HP models.
| Identifier | ExFiles\Box 153\2\ scan0014 | |
| Date | 28th February 1936 | |
| V300 To Da. {Bernard Day - Chassis Design} c. to Ev. {Ivan Evernden - coachwork} Hs {Lord Ernest Hives - Chair} /FJH. {Fred J. Hardy - Chief Dev. Engineer} 15/KW.28.2.36. Marles Steering. We give below figures for the friction of the Timken bearings as fitted to the Ph.III and 25 HP. steering gears. Friction Torque for one Bearing in lbs/ins. per 1000 lbs. thrust. Incorrectly bedding parallel rollers 7.4 Correctly bedding parallel rollers 14.7 Timken bearing 16.5 Hs {Lord Ernest Hives - Chair} /F.J.Hardy. | ||
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).