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 showing power loss to a standard exhaust system for engine SS-15, plotting Brake Horse Power against engine RPM.
| Identifier | ExFiles\Box 92\2\ scan0119 | |
| Date | 9th January 1930 | |
| POWER LOSS TO STANDARD EXHAUST SYSTEM (S.S.) ENGINE No SS{S. Smith}-15 (STANDARD) CURVES CORRECTED TO N.T.P. BRAKE HORSE POWER. R.P.M. OF ENGINE. OPEN EXHAUST. SWAN NECK & MAIN SILENCER REMOVED. COMPLETE SYSTEM, CUT-OUT CLOSED, CUT-OUT OPEN. SWAN NECK REMOVED. THESE CURVES REFER TO EXHAUST SYSTEM TO L.O.P. E79108, & ARE FOR COMPARISON WITH CURVES ON V-765. Y-Axis: 140, 120, 100, 80, 60, 40 X-Axis: 500, 1000, 1500, 2000, 2500, 3000 WRP | ||