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).
Power curve graph for the Lighting Phantom engine, showing an increase due to a low deflection carburettor.
| Identifier | ExFiles\Box 5\4\ 04-page187 | |
| Date | 9th October 1923 | |
| LIGHTING PHANTOM POWER CURVE (SHEWING INCREASE DUE TO LOW DEFLECTION CARBURETTOR) ENGINE No. 100 R.M. COMPRESSION RATIO 4.6 TO 1 MAIN TUBE 36mm MAIN INLET & SECTION 7mm SQUARE CARBURETTOR:- N.T.P. ENGINE WITH HORIZONTAL S.U. CARB. STANDARD CARB. INDUCTION PIPE DEPN NEW CARB PRESENT CARB BRAKE HORSE POWER 60 80 100 120 R.P.M. OF ENGINE 1000 1500 2000 2500 DEPN IN INDUCTION PIPE (INS. H₂O) 5.00 7.50 10.00 H.8/10.23 9.10.23 | ||