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).
Record of acceleration tests for vehicle 19-EX.
Identifier | ExFiles\Box 11\4\ 04-page096 | |
Date | 11th July 1932 | |
ACCELERATION TESTS. 19-EX. 11.7.32. Blois - Orleans road. Tarmac surface. Conditions, no wind. Carburetter needle 90°. Valve timing I/O.{Mr Oldham} 1.86° B.T.D.C. I.C. 46.88° P.B.D.C. E.C. 4.85° P.T.D.C. E.O. 54.4° B.B.D.C. E.82448 Camshaft - long duration, high lift - 114° between cams. Duration of cam, Inlet 228.7° Exhaust 239°. M.P.H. IN. OUT. AVERAGE. 10 - 20 4.8 5.0 5.4 5.6 5.2 20 - 30 5.0 5.0 5.0 4.8 5.0 30 - 40 5.4 5.2 5.2 5.2 5.2 40 - 50 5.8 5.8 6.2 5.8 5.9 50 - 60 7.0 7.4 6.8 6.6 7.0 60 - 70 10.0 10.0 10.4 10.8 10.3 70 - 80 18.0 18.2 17.2 17.4 17.7 <- 50/70 70-80 20.4 | ||