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).
Instructions for the conversion of a Taper to Parallel Roller for the Senior Range Rear Axle (Off side).
| Identifier | ExFiles\Box 114\1\ scan0343 | |
| Date | 10th March 1941 | |
| 1015 To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/HH. c. to Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} c. to Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Rm{William Robotham - Chief Engineer}/HH.1/SW.10.3.41. Senior Range. Rear Axle. PL.506 - Conversion of Taper to Parallel Roller (Off side) Please receive herewith two blueprints of each of the following new drawings :- RG.{Mr Rowledge}2151 Housing - roller bearing. 1 Off. RG.{Mr Rowledge}2194 Diff. Casing modification. 1 " RG.{Mr Rowledge}2195 Packing Washer. 1 " Please instruct as required together with the following bought out parts :- 1 3/4 dia. External Seeger Circlip. 1 Off. 3.00" Internal " 1 " RXLS.1 3/4 Hoffman Roller Bearing. 1 " This completes instructions for this experiment. Rm{William Robotham - Chief Engineer}/HH. 10/10 2 Prints of each detail and scheme attached to Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}'s memo. | ||