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).
Graph showing Brake Mean Effective Pressure (BMEP) from a propeller test on a Daimler-Benz 12-cylinder C.I. aero engine.
| Identifier | ExFiles\Box 179b\3\ img177 | |
| Date | 7th February 1933 guessed | |
| DAIMLER - BENZ 12 CYLINDER. C.I. AERO ENGINE WITH PRECOMBUSTION CHAMBER PROPELLER - TEST Bore 6.5" Stroke 8 3/4 - 4 CYCLE BMEP (LBS/D') B.M.E.P. SPEED 1675 R.P.M. FIG. 4 60 80 100 120 | ||