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 air/fuel ratio versus RPM for an air silencer under full and part load conditions.
| Identifier | ExFiles\Box 155\2\ scan0031 | |
| Date | 7th January 1937 guessed | |
| 25/30. TEST N°3. AIR SILENCER & DISTRIBUTION S.16. ROCKER COVER AIR SILENCER E.61022 WITH 2ND H.V CHOKE SUPPORT IN CARBURRETTER. FULL THROTTLE - FULL LOAD CYLS. 1 & 2 CYLS. 3 & 4 CYLS. 5 & 6 PART THROTTLE - HALF LOAD AIR/FUEL RATIO 15 14 13 12 11 R.P.M. 500 1000 1500 2000 2500 3000 3500 4000 PERCENTAGE THROTTLE OPENING 100 % 90 80 70 60 50 40 30 20 10 0 THROTTLE OPENING C.T.S. | ||