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).
Graph plotting horsepower against RPM for various engine configurations related to G.F.T. 43.
| Identifier | ExFiles\Box 155\1\ scan0005 | |
| Date | 29th February 1932 guessed | |
| LORD CHOLMONDELEY G.F.T. 43 HS {Lord Ernest Hives - Chair} 448 H.P. R.P.M 20.5 M.P.H 41.05 M.P.H. 61 ½ M.P.H. 71.75 M.P.H. 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 | ||