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 Maximum B.M.E.P. for an A.E.C. Ricardo 'Comet' Head engine.
| Identifier | ExFiles\Box 179b\3\ img175 | |
| Date | 7th February 1933 guessed | |
| FIG 6 N LOOPS A.E.C. RICARDO 'COMET' HEAD 5' x G.6' 4.53' x S.G' KE 100 LBS/D' NET AT 1400 R.P.M. 5 LBS/D" BOOST 100 LBS/D AT 1500 R.P.M ENGINE 1500 R.P.M. POSED 2-STROKE 1400 R.P.M. 5 LBS/D' BOOST MAXIMUM B.M.E.P. 60 70 80 90 100 | ||