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).
Test report on the life of frame parts subjected to bumping tests.
| Identifier | ExFiles\Box 119\2\ scan0041 | |
| Date | 1st May 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr4/L1514. May 1st. 1914. LIFE OF PARTS ON BUMPING TESTS. F R A M E.{Mr Elliott - Chief Engineer} 3" Humps at 105 revs. per minute Piece No. | Description | Time Hrs. Mins. | Results. | Reference. --- | --- | --- | --- | --- F.1325/6. | Frame. | 3 - 30 | Fracture. | Wor{Arthur Wormald - General Works Manager}/EH6/L12913. F.2298. | Frame. | 6 - 35 | Fracture. | Wor{Arthur Wormald - General Works Manager}/EH5/L11913. F.2398. | Frame. | 7 - 50 | Off side fractured through cross member bolt holes. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C18913. F.2398. | Frame. | 1 - 15 | Front Horn broke off. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}9/B30314. F.3715. | Box section Front Horn near side. | 6 - 59 15 - 15 | welded joint cracked. broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L271113. F.3715. | Box section Front Horn off side. | 8 - 52 | welded joint cracked. | * | ||