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).
Report page detailing the failure load and time run for different bearing materials.
| Identifier | ExFiles\Box 115\1\ scan0321 | |
| Date | 23th April 1937 guessed | |
| - 2 - Included in this report are photographs showing the condition of each bearing on removal after failure. The table below shows the failure load of each bearing and the time run under these conditions :- | Bearing Material. | Failure load lbs/sq.in. | Time run at failure load. Hrs. Mins. | |---|---|---|---|---| | Allison BE/L | 2500 | 4 | 00 | | A.C.S.S. | 2300 | 1 | 28 | | A.C.2. | Failed while setting up to 2300 | - | - | | A.C.S.S. | 1st failed while setting up to 2300 | - | - | | | 2nd failure 2700 | 4 | 00 | | ||