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).
Estimated comparison of power curves and valve timings for 500cc Rudge and PVG Single-II units.
| Identifier | ExFiles\Box 133\1\ scan0020 | |
| Date | 13th March 1936 | |
| C 16 500cc RUDGE UNIT FIG XIV ESTIMATED COMPARISON OF RUDGE AND PVG SINGLE-II POWER CURVES VALVE TIMING RUDGE (.020" CLCE) I.O. 28° E E.O. 90° E I.C. 48° L E.C. 25° L PVG (.020" CLCE) I.O. 20° E E.O. 60° E I.C. 56° L E.C. 14° L M.E.P. PISTON SPEED (FT/MIN) ALLOWANCE FOR EXHAUST PIPE RAMMING ADDITION OF DIFFERENCE IN MOTORING LOSSES RUDGE C.R. = 7.3 PVG SINGLE C.R. = 7.3 PVG SINGLE C.R. = 6.1 JAL 13.3.36 | ||