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 valve lift, velocity, and acceleration curves for an Alfa Romeo 1750 cc engine.
| Identifier | ExFiles\Box 124\5\ scan0065 | |
| Date | 29th February 1932 | |
| .001 INS/DIV/DIV AT 3000 RPM = 1680 F.P.S., CURVES DERIVED FROM MEASURED VALVE LIFT, LIFT - INS, VELOCITY - INS PER DIV, ACCELERATION - INS PER DIV PER DIV, EXHAUST, INLET, LIFT, ACCELERATION, VELOCITY, ALFA ROMEO 1750 CC, 1 DIV = 4 CRANKSHAFT DEGREES, VALVE LIFT CURVES, ROLLS-ROYCE, LIMITED, PRINT ROOM,, 29 FEB 1932, DERBY., A.5649 | ||