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).
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. | ||