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 the results of an endurance test on B.17 unit bearings and liners, highlighting specific failures.
| Identifier | ExFiles\Box 97\1\ scan0024 | |
| Date | 27th November 1936 guessed | |
| B.17 UNIT. AC 4 bearings and W/M faced liners. O.K. after 10 hrs. full throttle endurance. No.3 big end failed after further 3 hrs. at the same speed of endurance but at 1/4 power. Nos.2 & 5 bearings are showing signs of failure and presumably due to W/M coming off steel shims. | ||