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).
New blueprints for rationalised valve gear components without grummets for the B.60 Ripplet.
| Identifier | ExFiles\Box 118\1\ scan0239 | |
| Date | 24th April 1940 | |
| 1022 RM{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}2/JMS.1.5.40. Rm{William Robotham - Chief Engineer}/HH.8/JH.24.4.40. To Rm.{William Robotham - Chief Engineer} c. to Ev.{Ivan Evernden - coachwork} B.60 Ripplet. Valves and fittings - Section 5060. PL.173 Rationalised valve gear without grummets. Please receive herewith blueprints of the following new drawings detailed in accordance with the above scheme. Sec.5050. RE.795 valve guide. Sec.5060 RE.796 valve spring washer - top. RE 797 " " " bottom. RE.909 valve spring washer. Please instruct the above new parts. For all further particulars see Exptl. LOP.PL.173 herewith. Exptl. Dept. please note. This scheme provides for Phantom III valve springs, but referring back to LOPS. RE.497 (sec.5050) and RE.358 (sec.5060) it will be seen P.T.O. | ||