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).
Blueprint graph of a motoring loss analysis for a 4 1/4 Litre Bentley engine, showing percentage loss of components against RPM.
| Identifier | ExFiles\Box 133\1\ scan0218 | |
| Date | 20th May 1937 guessed | |
| 4 1/4 LITRE BENTLEY MOTORING LOSS ANALYSIS - PERCENTAGE LOSS OF COMPONENTS FIG XIII C 84 ① LOSSES DUE TO SILENCER ② LOSSES DUE TO INDUCTION SYSTEM ③ PUMPING LOSSES AND VALVE GEAR TO BOTTOM TAPPETS ④ LOSSES DUE TO BOTTOM TAPPETS ⑤ LOSSES DUE TO PISTON RINGS ⑥ LOSSES DUE TO PISTONS AND CONN. RODS ⑧ LOSSES DUE TO WATER PUMP ⑦ ⑨ ⑩ BALANCE DUE TO DYNAMO, GEARS, CRANKSHAFT ETC. -RPM- PERCENTAGE LOSSES C of G | ||