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).
Photograph showing Phantom III No.6 main bearings after a 20-hour endurance test.
| Identifier | ExFiles\Box 131\5\ scan0024 | |
| Date | 1st January 1942 | |
| <- 1 to 7 -> PHANTOM III No.6. MAIN BEARINGS. STD. W/M HAVE RUN TOTAL ENDURANCE OF 20 HRS., 10 HOURS UNDER CONDITION (b) AND 10 HOURS AT (c). (b). 10 HRS. FULL THROTTLE AT INLET TEMP. OF 120 C. (c). 10 HRS. 1/4 LOAD AT OIL INLET OF 120 C. | ||