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 showing engine horsepower at various RPMs for chassis G.F.T. 43 with multiple configurations.
| Identifier | ExFiles\Box 47\3\ Scan235 | |
| Date | 12th October 1931 guessed | |
| LORD CHOLMONDELEY G.F.T. 43 H.P. R.P.M. LEGEND: G.F.T. 43 AS BELOW WITH STANDARD VALVE SPRINGS G.F.T. 43 AS BELOW BUT WITH 112° CAMSHAFT & EXP. COIL G.F.T. 43 WITH SPECIAL EXHAUST SYSTEM. HIGH COMP. PISTONS. STRONGER VALVE SPRINGS & STD CAMSHAFT AVERAGE OF 10 1ST HALF 'T' SERIES CHASSIS. G.L.N. 60 G.F.T. 43 WITH SMALL PLATE REMOVED FROM END OF REAR SILENCER I.E. EQUIVALENT TO CUT OPEN 20.5 M.P.H 41.05 M.P.H. 61 1/2 M.P.H. 71.75 M.P.H | ||