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).
Performance graph showing B.H.P and B.M.E.P. against R.P.M. for a Bentley No. 7 Unit with Aerolite pistons after an endurance test.
| Identifier | ExFiles\Box 86\2\ scan0105 | |
| Date | 23th October 1933 | |
| BENTLEY No 7 UNIT B.V.10 AEROLITE PISTONS. SPECIFICATION RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}S/AP 23-10-33 COMPRESSION RATIO :- 6.4 : 1 POWER CURVE AFTER 21 HOURS ENDURANCE B.H.P. B.M.E.P. (Lbs/sq in) R.P.M. VALVE TIMING (.020 CLEARANCE) T.D.C I.O. 8 EXH INL. 52.8 44 | ||