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 a variable load curve for a 3½' x 5' six-cylinder petrol engine at 1500 RPM.
| Identifier | ExFiles\Box 148\1\ scan0206 | |
| Date | 13th September 1939 | |
| 3½" x 5" SIX CYLINDER PETROL ENGINE ZENITH CARB. 36 WET 2 30 CHOKE 130 MAIN 110 COMP. 145 ECR. 5.5 AIR. MANUAL CONTROL IGNITION 1500 R.P.M. CONSTANT SPEED - VARIABLE LOAD CURVE PTS/B.H.P./HR B.M.E.P./LBS/D" DEGREES ADVANCE DEGREES OF ADVANCE B.T.C. 6.46, 6.75, 7.0, & 7.56-1 C.R. 6.46-1 STD PISTONS 6.75-1 7-1 7.65-1 29 AUG-13 SEPT. /39. R.D. 829 KINWEST SERIES 956/21 | ||