Photograph of B.3. Unit Big End Bearings and Liners after a running test.
| Identifier | ExFiles\Box 97\1\ scan0027 | |
| Date | 27th November 1936 guessed | |
| UPPER HALVES ← 1 TO 6 → 6 B.3. UNIT. BIG END BEARINGS - R.R. 56 Alloy RUNNING TIME :- Light - 11 hours 30 mins. Full Load - 10 hours ¼ Load - 10 hours BIG END BEARING LINERS. - R.R.56 Alloy RUNNING TIME :- Light - 5 hours. 30 mins. ¼ Load - 10 hours. Each hour under load run as follows :- 30 mins. - 4,000 R.P.M. 25 mins - 4,250 R.P.M. 5 mins - 4,500 R.P.M. | ||
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).