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).
Cover memo listing original engineering tracings for various engine components.
Identifier | ExFiles\Box 143\2\ scan0066 | |
Date | 20th December 1940 | |
SECRET. 7 To Rm.{William Robotham - Chief Engineer} from Ev.{Ivan Evernden - coachwork} 1204 c. Rm{William Robotham - Chief Engineer}/HH. c. Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} Ev.{Ivan Evernden - coachwork}5/SW.20.12.40. re Original Tracings. Attached to the copy of this memo for Rm{William Robotham - Chief Engineer}/HH. are the following originals :- PL.403 - Masked Inlet Valve - B.60 PL.400 - Camshaft, Analysis of Slow Running. PL.376 - Capacities & Tax. PL.367 - Sketch of Mercedes-Benz Dry liner. PL.366 - Sketch of Junker's Wet Cylinder liner. PL.362 - Preliminary Arrangement of W.30 Engine - 1/4 scale. PL.331 - 3 cylinder unit 635 cc. PL.278 - Improved Breathing Aspin Valve. PL.276 - Two-stroke Valve Opening Areas. PL.275 - Valve Opening Areas - Optimum. Aspin v B.60. PL.252 - Better Breathing Aspin Valve. PL.249 - Comparison of Valve Opening Areas. Aspin & B.60. PL.124 - Projects of Sheet Metal Rocker Cover - B.60. PL.195 - Project of Starter Motor. B.80 Marine. PL.18 - Vauxhall 12 Crankshaft. PL.11 - Hillman 10 Engine. These drawings have not been issued previously, so will you please issue the usual prints and file the originals. No detailing is called for. Ev.{Ivan Evernden - coachwork} Originals to Rm{William Robotham - Chief Engineer}/HH. Prints to Ev.{Ivan Evernden - coachwork} Rm{William Robotham - Chief Engineer}/HH, Ashby. | ||