Instructions for modifying a B.60 camshaft to suit a B.40 engine, with a list of associated drawings.
| Identifier | ExFiles\Box 109\3\ scan0051 | |
| Date | 16th December 1940 | |
| To Rm. {William Robotham - Chief Engineer} from Rm {William Robotham - Chief Engineer} /HH. c. to Rm {William Robotham - Chief Engineer} /CTS. {C. Trot Salt - Carburation} c. to Ev {Ivan Evernden - coachwork} /JD. {J. Draper - Frames} 700 Rm {William Robotham - Chief Engineer} /HH.3/SW.16.12.40. 1030 B.60 Camshaft Modified to suit B.40 Engine. Myth In the event of the existing B.40 camshaft being unsuccessful due to cam profiles being un-ground, we have prepared the following drawings to enable this shaft being fitted in place of the former. Sec.5090 RE.1859 Assembly. RE.1860 Thrust Washer. RE.1861 Peg - .250 dia. RE.1862 Peg - .1875 " RE.1865 Front Journal. RE.1866 Rear Journal. This completes the instructions for this experiment. Rm {William Robotham - Chief Engineer} /HH. Marle | ||
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).