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).
Performance graph for a 4 1/8' Bore x 6' Stroke Gas Engine plotting BHP against RPM.
| Identifier | ExFiles\Box 134\5\ scan0003 | |
| Date | 19th March 1940 | |
| ASPIN IF IN DOUBT, ASK. B.M.E.P. 160 155 150 145 140 135 130 B.H.P 135 BMEP @ 375 RPM ENGINE R.P.M. COMPRESSION PRESSURE @ 360 R.P.M. MOTORED - 400 lb/□'' OFF PER ENGINE 4 1/8" BORE x 6" STROKE GAS ENGINE RUNNING ON 80 OCTANE FUEL. ORDER DATE DATE 19-3-40 DRAWN P.Winy TRACED APPRD. SCALE MATERIAL ENGINE SERIES. DRWG.Nº D432 F.{Mr Friese} M.{Mr Moon / Mr Moore} ASPIN & CO LTD ELTON, BURY. | ||