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).
Results of a bumping test on a torque tube.
| Identifier | ExFiles\Box 119\2\ scan0051 | |
| Date | 30th April 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcrll/L3C414. April 30th. 1914. LIFE OF PARTS ON BUMPING TESTS. TORQUE TUBE. 3" Humps at 105 revs. per minute. Piece No. | Description. | Time. Hrs. Mins. | Results. | Reference. G.2025. | Torque Tube. | 4 - 0 | Flange Broke. | Wor{Arthur Wormald - General Works Manager}/Hyll/L9214. | ||