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 curves for engine No SS-15 with various standard exhaust system configurations.
| Identifier | ExFiles\Box 92\2\ scan0063 | |
| Date | 9th January 1930 | |
| V766. 9-1-30 POWER LOSS TO STANDARD EXHAUST SYSTEM (S.S.) ENGINE No SS{S. Smith}-15 (STANDARD) CURVES CORRECTED TO N.T.P. BRAKE HORSE POWER RPM. 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 V765. | ||