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 for the manufacture of two housings to test cam bearing friction for Marles Steering on Spectre & 25 HP models.
| Identifier | ExFiles\Box 28\3\ Scan185 | |
| Date | 27th August 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X1300 Hs{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer}15/KW.27.8.35. Marles Steering on SpectreCodename for Phantom III & 25 HP. We wish to carry out some tests to determine the friction of the cam bearings of the Adamant type and of the Timken type. We intend to do this by clamping the cam bearings endwise in the materials testing machine in the steel store and measuring the effort required to turn the cam. For the above tests we shall require two housings for the cam bearings as shown in the sketch below. Will you please make two of these pieces. Hs{Lord Ernest Hives - Chair}/F.J.Hardy. [Sketch with dimensions] 2.3125 BORE TO SUIT RACES 1.900 DIA +0 -10 3.250 DIA +10 -10 0.700 +10 -00 0.400 +10 -00 THESE FACES MUST BE FLAT AND PARALLEL MATERIAL S/M.{Mr Moon / Mr Moore} | ||