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).
The life of an engine part during bumping tests.
| Identifier | ExFiles\Box 119\2\ scan0049 | |
| Date | 30th April 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr9/L30414. April 30th. 1914. LIFE OF PARTS ON BUMPING TESTS. E N G I N E.{Mr Elliott - Chief Engineer} 3" Humps at 105 revs. per minute. Piece No. Description. Time Hrs. Mins. Results. Reference. K.406. Bolt in near side Rear Engine Foot. 10 - 0 Broke. Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L221013. | ||