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 against engine RPM for Engine No SS-15 with various standard exhaust system configurations.
| Identifier | ExFiles\Box 13\2\ 02-page079 | |
| 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. 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. | ||