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 the variation of specific consumption against time for three separate engine tests.
| Identifier | ExFiles\Box 179b\3\ img227 | |
| Date | 21th September 1932 guessed | |
| SPECIFIC CONSUMPTION (LBS/BHP/HR) TIME FROM ENGINE BEING PUT ON FULL LOAD (MINS.) .400 .450 .500 .550 30 50 70 90 110 130 150 170 VARIATION OF SPECIFIC CONSUMPTION WITH TIME TESTS 3.b, 3.c, & 3.d. CONDITIONS AS SHOWN IN FIG. 11. TEST 3.d TEST 3.b TEST 3.c | ||