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).
Performance graph from Brooklands tests comparing different engine configurations and their outputs.
Identifier | ExFiles\Box 29\3\ Scan328 | |
Date | 19th June 1931 | |
H.S. 401 BROOKLANDS TESTS 19/6/31 LAP SPEED C.O. CLOSED 18GW 68.7 M.P.H. G.S.R.14 63 M.P.H. Upper Test Unit: 18 GW 35.7 CWTS JAPAN UNIT TWIN ZENITHS 26 M/M CHOKES 112° CAMSHAFT PIT REAR SILENCER & FISHTAIL TIMING SEE SHEET 2 C.O. CLOSED Lower Test Unit: 14 G.S.R. 33.7 CWTS CHINA UNIT C/R 5.25 17% LARGER R.R. CARB. C.O. CLOSED 110° SHAFT STD. 25 H.P SYSTEM E.55794 AXIS LABELS: CLUTCH H.P. B.M.E.P. ENGINE R.P.M. ROAD SPEED M.P.H. | ||