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 a motoring loss analysis showing lost horsepower versus RPM for a 3 1/2 Litre Bentley engine.
| Identifier | ExFiles\Box 133\1\ scan0213 | |
| Date | 17th May 1936 | |
| 3 1/2 LITRE BENTLEY C 79 MOTORING LOSS ANALYSIS - LOST H.P FIG VII LEGEND: 1) ENGINE AS RUN WITH SILENCER ETC 2) SILENCING SYSTEM REMOVED 3) INDUCTION SYSTEM REMOVED 4) VALVE GEAR REMOVED DOWN TO BOTTOM TAPPETS 5) BOTTOM TAPPETS REMOVED 6) PISTON RINGS REMOVED 7) PISTONS AND CONN. RODS REMOVED 8) WATER PUMP REMOVED AXES: Y-AXIS: <- LOST HORSE POWER -> (Values: 5.00, 10.00, 15.00, 20.00, 25.00, 30.00, 35.00, 40.00, 45.00) X-AXIS: - RPM - (Values: 1000, 2000, 3000, 4000) Handwritten on right edge: 17/5/36 | ||