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 motoring loss analysis (LMEP vs RPM) for a 4 1/4 Litre Bentley engine with various components removed.
| Identifier | ExFiles\Box 133\1\ scan0212 | |
| Date | 4th June 1937 | |
| 4 1/4 LITRE BENTLEY MOTORING LOSS ANALYSIS — LMEP FIG VII C 78 Key: (1) COMPLETE STANDARD ENGINE (2) EXHAUST SYSTEM REMOVED (3) INDUCTION SYSTEM REMOVED (4) VALVES, PUSH RODS AND ROCKERS REMOVED (5) BOTTOM TAPPETS REMOVED (6) PISTON RINGS REMOVED (7) PISTONS AND CONN. RODS REMOVED (8) CONTACT BREAKER AND DRIVE REMOVED (9) WATER PUMP REMOVED (10) DYNAMO REMOVED Axis Labels: LOST MEAN EFFECTIVE PRESSURE RPM Annotations: G-19 | ||