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).
Specification update for the Myth Engine No.1 concerning the type of piston rings to be fitted.
| Identifier | ExFiles\Box 109\3\ scan0226 | |
| Date | 1st January 1942 | |
| To: Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/CP. c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. to Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} c. to Rm{William Robotham - Chief Engineer}/FN. c. to Rm{William Robotham - Chief Engineer}/HH. 700 Rm{William Robotham - Chief Engineer}/CP.12/LH.{Mr Haworth}1.1.42. Myth Engine No.1 (4 Cylinders) Further to specification issued in our Rm{William Robotham - Chief Engineer}/CP.4/LH.{Mr Haworth}31.12.41., section 5040 should read as follows :- Pistons.LOP.RE.2479. RE.2478 'L' shaped Rings fitted, and not Standard Compression Rings as stated in our previous specification. Rm{William Robotham - Chief Engineer}/CP. | ||