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 and consumption curve and valve timing diagram for an Alfa-Romeo unit with exhaust manifold only.
| Identifier | ExFiles\Box 179\2\ img228 | |
| Date | 4th December 1925 | |
| V1301 UNIT ALFA-ROMEO VALVE TIMING (.014 VALVE CLEARANCE) POWER & CONSUMPTION CURVE EXHAUST MANIFOLD ONLY I.O. 15° E.C. 15° I.C. 55° E.O. 46° B.H.P. B.M.E.P. Pints/BHP/Hr R.P.M. C.M. 4-12-25 | ||