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 drawings for 'Ripplet' cylinder heads, valve seats, and inlet valves.
| Identifier | ExFiles\Box 118\1\ scan0074 | |
| Date | 9th February 1940 | |
| 1022 File To Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} c. to Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} c. to Ev.{Ivan Evernden - coachwork} Ev{Ivan Evernden - coachwork}/HH.4/JH.9.2.40. Ripplet. Cylinder Heads - 3¼" and 3½" bores 6.5 to 1 Sec.5050 - cylinder. Sec.5060 - Valves & fittings. Further to our memo. Ev{Ivan Evernden - coachwork}/HH.2/WB.{Mr Brazier/Mr Bell}6.2.40. and Ev{Ivan Evernden - coachwork}/HH.3/WB.{Mr Brazier/Mr Bell} 6.2.40. please receive herewith 2 prints of each of the following new drawings :- Sec.5050 RE.328 Valve seat - inlet, 6 off. Sec.5060 RE.271 Inlet valve - 6 off. The inlet valve is exactly as EX.S.1386 and if any valves made to this drawing are available, they may be used. Ev{Ivan Evernden - coachwork}/HH. | ||