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).
Table comparing B.HP performance with different carburettor and exhaust configurations at various R.P.M.
| Identifier | WestWitteringFiles\L\Jan1924-March1924\ Scan182 | |
| Date | 1st March 1924 guessed | |
| -2- E.A.C. B.H.P. | R.P.M. | A Knave carburetter.<br>Standard manifold<br>free exhaust. | A Knave carburetter.<br>Straight exhaust<br>pipes. | 1 RAEI Carburetter.<br>Straight exhaust<br>pipes. | 2 RAEI Carburetters.<br>Straight exhaust<br>pipes. | |---|---|---|---|---| | 1000 | 57 | 60 | 59.6 | 64.6 | | 1250 | 70 | 75.5 | 76 | 81.8 | | 1500 | 84.5 | 89 | 91.8 | 100.3 | | 1750 | 97 | 103.6 | 108 | 114.8 | | 2000 | 106.6 | 116 | 117.5 | 127.4 | | 2250 | 113.5 | 123.7 | 126.4 | 133 | | 2500 | 118.5 | 129 | 132 | 133.5 | He. | ||