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 front springs during bumping tests.
| Identifier | ExFiles\Box 119\2\ scan0017 | |
| Date | 26th May 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr3/L26514. May 26th. 1914. LIFE OF PARTS ON BUMPING TESTS. FRONT SPRINGS. Off set solid eyes. 3" Humps at 105 revs. per minute. | Piece No. | Description. | Time. Hrs. Mins. | Results. | Reference. | |-----------|----------------|------------------|--------------------|-------------------| | F.4141 | Front Springs. | 10 - 15 | Broke third plate. | Wor{Arthur Wormald - General Works Manager}/My19/M111213 | | F.4141 | " | 10 - 15 | Broke fourth plate.| " | | ||