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).
Power curve graph for a Lorraine-Dietrich engine with comparative data for a 20 HP Rolls-Royce engine.
| Identifier | ExFiles\Box 22\4\ Scan102 | |
| Date | 23th March 1927 | |
| LORRAINE-DIETRICH POWER CURVE. Bore = 75 m/m.{Mr Moon / Mr Moore} Stroke = 130 m/m.{Mr Moon / Mr Moore} Cubic Capacity = 3444 c.c. Compression Ratio = 5.9 to 1. Standard Bed Exhaust System. Corrected to N.T.P. B.M.E.P. B.H.P. 20 H.P. R.R. B.H.P. B.M.E.P. BRAKE HORSE POWER. BRAKE MEAN EFFECTIVE PRESSURE (LBS PER sq "). R.P.M. OF ENGINE. 23-3-27 5 | ||