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).
Polar plot diagram showing the big end loading for a Bentley engine.
| Identifier | ExFiles\Box 85\3\ scan0109 | |
| Date | 30th May 1935 | |
| BIG END LOADING — BENTLEY GAS PRESSURE LOADING ONLY AT 6.5/1 CR{Mr Cra???ster / Mr Chichester} (MAX CYL. PRESS. = 700 lb/□") DEGREES ON CRANK lbs/□" PROJ. AREA LOAD ON CRANKPIN 7.4 Small 30.V.35 HS{Lord Ernest Hives - Chair} 1998 Plot markings: TDC BDC Degrees: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165 Scale: 500, 1000, 1500, 2000, 2500, 3000 | ||