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).
Test results for oil heat rise in a Bentley Unit C.XI engine at various RPMs.
Identifier | ExFiles\Box 131\1\ scan0099 | |
Date | 16th May 1933 | |
X4693 Files. 16.5.33. HEAT TO THE OIL. BENTLEY UNIT C.XI. 6.28:1 Comp. Ratio. Wakefields' Castor P.2. Balanced c'shaft EB.39. S.G. = .962 } at 90°C. Sp.{Mr Spinney}Ht = .530 } 3500 RPM. Oil In. = 85°C. } Oil out = 112.5°C } Heat rise = 27.5°C. Circulation = 2.79 gals/min. = 276.8 B.T.U's/Min. 3750 RPM. Oil In. = 85°C. } Oil out = 115.5°C } Heat rise = 30.5°C. Circulation = 2.97 gal/min. = 351.2 B.T.U's/Min. 4000 RPM. Oil In. = 85°C. } Oil out = 121.5°C } Heat rise = 36.5°C. Circulation = 3.16 gals/min. = 390 B.T.U's/Min. | ||