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).
Diagrams showing the valve timing and displacement curves for a Hispano engine.
| Identifier | ExFiles\Box 22\1\ Scan148 | |
| Date | 10th March 1924 guessed | |
| HISPANO VALVE DIAGMS. IN.O Ex.C. 5° EFFECTIVE. TIMING DIAGM. IN.C. 45° Ex.O. 45° HISPANO INLET VALVE DISPLACEMENT CURVE WITH 2 m.m. CLEE MAX LIFT = .391 EXHAUST VALVE DISPLACEMENT CURVE WITH 2 m.m. CLEE MAX LIFT .391. VALVE LIFT (INCHES) .400 .300 .200 .100 TOP CENTRE. BOTTOM CENTRE. CRANKSHAFT DEGREES | ||