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 the relationship between R.P.M., oil flow, and B.T.U.s per minute to oil for a Bentley Unit C.10.
| Identifier | ExFiles\Box 131\1\ scan0119 | |
| Date | 16th June 1933 guessed | |
| B.TH.US/ MIN TO OIL LESS RADIATION CURVE III BENTLEY UNIT C.10 WHITE METAL BEARINGS C/R 6.5-1 B.TH.US / MIN 500 400 300 200 100 0 OIL FLOW THROUGH BEARINGS GALS / MIN 1 2 3 R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} 3500 3750 4000 4250 B.TH.US / MIN OIL FLOW | ||