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).
Bumping test report on the life of steering tubes.
| Identifier | ExFiles\Box 119\2\ scan0034 | |
| Date | 30th April 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Merlo/L30414. April 30th. 1914. LIFE OF PARTS ON BUMPING TESTS. STEERING TUBES. 3" Bumps at 105 revs. per minute. Piece No. | Description. | Time. Hrs. Mins. | Results. | Reference. F3212. | Side Steering Tube. | 1 - 18 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L271113. F3212. | ditto. | 4 - 46 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L101113. F3212. | ditto. | 5 - 56 | Broke. | " F3212. | ditto. | 10 - 42 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L221013 F3212. | ditto. | 3 - 7 | Broke. | " F3212. | ditto. | 2 - 24 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C281013 F3212. | ditto. | 14 | Broke. | " F3212. | ditto. | 3 | Bent. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}27/L61113 F3212. | ditto. | 10 | Bent. | " F3212. | ditto. | 26 | Bent. | " F3212. | ditto. | 20 | Broke. | " | ||