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. | ||
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).