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 of motoring loss curves comparing a 500cc Rudge unit with a Bentley V.R. engine.
| Identifier | ExFiles\Box 133\1\ scan0022 | |
| Date | 13th March 1936 | |
| C 18 FIG. XVI 500 cc RUDGE UNIT MOTORING LOSS CURVES (CAR) FOR THE SAKE OF COMPARISON, THE RUDGE IS HERE TREATED AS OF THE SAME BORE AND STROKE AS THE BENTLEY V.R. 3.25" x 4.5" -RPM- L.H.P. M.E.P BENTLEY MAIN ENGINE (L.H.P) L.M.E.P BENTLEY S/C (L.M.E.P) RUDGE (ESTIMATED L.H.P) L.M.E.P ll 13.3.36 | ||