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 curve comparing two different camshafts (A and B) for the Eagle engine, plotting Brake Horsepower and Brake Mean Effective Pressure against RPM.
| Identifier | ExFiles\Box 43\1\ Scan096 | |
| Date | 28th August 1925 guessed | |
| CURVE Nº1. CAMSHAFT COMPARISON COMP. RATIO 5.27/1 EAGLE VIII CAMSHAFT A EAGLE IX CAMSHAFT B EAGLE VIII CARBURETTERS CORRECTED FOR BAROMETER & TEMP. INLET VALVE TIMING T.D.C. I.O. 10º I.C. 54º B.D.C. B. H.{Arthur M. Hanbury - Head Complaints} P. B. M.{Mr Moon / Mr Moore} E.{Mr Elliott - Chief Engineer} P. R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} A B A BMEP B BMEP | ||