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).
Two graphs comparing specific fuel consumption against B.HP for an induction system, with and without a redistributor.
| Identifier | ExFiles\Box 179b\3\ img300 | |
| Date | 17th March 1933 | |
| SPECIFIC CONSUMPTION LOOPS DES 1653 INDUCTION SYSTEM FUEL 20/70/10 +4cc THROTTLE FULL OPEN CONST SPEED 2500 Graph 1: Axis Labels: SPECIFIC CONSUMPTION PTS/HP/HR, B.H.P. Data Labels: WITH REDISTRIBUTOR, WITHOUT REDISTRIBUTOR, .535, .530 SUMMARY OF SPECIFIC CONSUMPTION LOOP TESTS DES 1653 INDUCTION SYSTEM CURVES SHOWING THE WEAKEST MAINTAINED CONSUMPTIONS OVER A CONSTANT SPEED VARYING THROTTLE RANGE OBTAINED FROM THE SPECIFIC CONSUMPTION LOOPS. THESE CURVES SHOW THE INDUCTION SYSTEM WITHOUT REDISTRIBUTOR TO MAINTAIN MAXIMUM POWER AT LOWER CONSUMPTIONS. CONST SPEED 2500 Graph 2: Axis Labels: PTS/HP/HR, B.H.P. Data Labels: WITH REDISTRIBUTOR, WITHOUT REDISTRIBUTOR Engine: KESTREL 'S' ENGINE 2250 RPM | ||