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).
Request to manufacture various test pistons for a Bentley III front shock damper due to issues with gudgeon pin fit.
| Identifier | ExFiles\Box 99\3\ scan0180 | |
| Date | 28th May 1938 | |
| 441 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} c. HPS{Horace Percy Smith - Experimental Factory Mgr}/W.Bell. c. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} Re/AFM.{Anthony F. Martindale}3/WH.28.5.38. BENTLEY III FRONT SHOCK DAMPER. With reference to the pistons FB.3410 we are having to increase the interference fit of the gudgeon pins and we may crack the existing pistons. Will you please make the following pistons to try on the bump chassis - 8 pistons as FB.3410, only in 'chromidium'. 8 " " FB.3410 in chromidium and hardened to 400 Brinell on the outside dia. by chilling. 8 " " FB.3410 only in cast steel. These are wanted for the bump rig. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | ||