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 showing a polar plot of big end loadings for a 4¼ Litre Bentley engine.
Identifier | ExFiles\Box 115\1\ scan0348 | |
Date | 24th March 1937 | |
MAX. CYLINDER PRESSURE TAKEN AS 700 LBS/□" BUSH CURRENT PRODN PIECES WITH A/C BIG END TOTAL ROTATING WT 1.140 LBS TOTAL RECIPROCATING WT. 2.000 " CONN. ROD CENTRES. 7.950 " BIG END AREA 2.32 □" ANGULAR POSN OF CRANK FROM T.D.C INERTIA LDGS. ONLY AT 4,500 R.P.M. COMBINED GAS & INERTIA LDGS. AT 4,500 R.P.M. MAXM LOADING 2,060 LBS/□" 4¼ L. BENTLEY - BIG END LOADINGS. F.H. SMITH 24.3.37 RM{William Robotham - Chief Engineer} 364 B.D.C OF ROD ROD CAP. T.D.C. LBS/□" Scale values: 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200 Angular positions: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165 | ||