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 showing specific consumption loops for a DES 1653 induction system at different throttle settings.
| Identifier | ExFiles\Box 179b\3\ img301 | |
| Date | 3rd March 1933 | |
| TOP GRAPH: SPECIFIC CONSUMPTION LOOPS DES 1653 INDUCTION SYSTEM CONST SPEED 2500 RPM THROTTLE 28° D.T.D. 134 FUEL PTS/HP/HR B.H.P WITH REDISTRIBUTOR WITHOUT REDISTRIBUTOR .540 .508 BOTTOM GRAPH: SPECIFIC CONSUMPTION LOOPS DES 1653 INDUCTION SYSTEM CONST SPEED 2500 RPM THROTTLE 44° FUEL 20/70/0 + 4cc PTS/HP/HR B.H.P WITH REDISTRIBUTOR WITHOUT REDISTRIBUTOR .530 .540 G.H.F 3.3.33 | ||