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).
Page of engine performance data and a note about sending modified parts.
| Identifier | ExFiles\Box 36\2\ scan 080 | |
| Date | 8th October 1918 | |
| R.R. 238A (500 T) (S.D. 408. 26-4-17.) Bm. 2/158/13. -3- EH1/LG8.10.18. Contd REVS. HP. CONSPT. REMARKS. 1900 117 Slow running 1800 120 225 r.p.m. 1700 118 1600 115 .492 1500 109 .500 1400 101 .492 1300 95 .492 1200 89 1100 81 1000 72 At the Technical Dept. request we are sending the modified parts which were used on this engine they have there with them fitted. EH. | ||