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 Brake Horse Power versus engine RPM for a single outlet exhaust manifold with the cutout open.
| Identifier | ExFiles\Box 66\2\ scan0299 | |
| Date | 6th December 1927 guessed | |
| SINGLE OUTLET EXHAUST MANIFOLD TO Ie C. 2432/6/7 (TWO SHEETS) V171 SHEET II: CUTOUT OPEN. FOR CONDITIONS SEE SHEET I BRAKE - HORSE - POWER R.P.M. OF ENGINE STANDARD EXHAUST SYSTEM Ie C. 2432/6/7 NOTE: WITH CUTOUT OPEN ON THE SINGLE OUTLET SCHEME, THE POWER IS NOT MATERIALLY AFFECTED BY OPENING THE HOT SPOT VALVE. Y-Axis values: 30, 40, 50, 60, 70, 80, 90, 100, 110, 120 X-Axis values: 500, 1000, 1500, 2000, 2500, 3000 | ||