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 power with time under specific test conditions.
| Identifier | ExFiles\Box 179b\3\ img225 | |
| Date | 21th September 1932 guessed | |
| VARIATION OF POWER WITH TIME AT NORMAL JACKET TEMPERATURE (75°C) Test 3a 2000 R.P.M. STD CONDITIONS NEW BOSCH NOZZLE PREVIOUSLY UNUSED. COPPER TUBE FITTED IN INJECTOR POCKET TO IMPROVE COOLING OF INJECTOR B.M.E.P. (LBS/SQ") SP.{Mr Spinney} CONS (LBS/BHP/HR.) TIME FROM ENGINE BEING PUT ON FULL LOAD (MINS.) B.M.E.P. SPECIFIC CONSUMPTION | ||