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).
Graph showing power output and consumption for an engine with a KNAVE carburettor, including a valve timing diagram and test conditions.
| Identifier | WestWitteringFiles\K\October1923\ Scan92 | |
| Date | 24th October 1923 | |
| E.A.C. POWER OUTPUT & CONSUMPTION WITH KNAVE CARBURETTER. (PET CON BY DIRECT MEASUREMENT). BAR = 754 M/M PETROL. SHELL MEX AIR TEMP = VALVE TIMING NO 3 PLANET ON CAMSHAFT .010" TAPPET CLEAR. Diagram labels: T.C. I.O. 2° E.C. 4° E.O. 47° I.C. 47° Y-Axis (Left): B.H.P. B.M.E.P. lbs/□" Scale: 30, 40, 50, 60, 70, 80, 90, 100, 110, 120 Inner scale: 80, 90, 100, 110, 120 X-Axis (Bottom): R.P.M. Scale: 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500 Y-Axis (Right): PET CON Scale: .600, .700, .800 Graph line labels: B.H.P WITH NO 3 PLANET ON CAMSHAFT B.H.P WITH NO 2 JET AT ROOT THROTTLE B.M.E.P. PTS/HP/HR Signature: A.C.L. | ||