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).
Log of component failures and breakages recorded during a durability test run.
| Identifier | ExFiles\Box 75\3\ scan0278 | |
| Date | 27th November 1913 guessed | |
| Wor{Arthur Wormald - General Works Manager}/lly3/L271113. Sheet.2 being much more than any of the frames which are diagonally stayed or fitted with a cross member further forward. The relative movement between the horns when running was .125". 3" humps were used and the drum speed was 105 revs. per minute. 20 springs were broken in 15 hours. After running. hrs. mins. 32. Off side spring broke (front end) F812 34. Near Side Cross Steering lever broke. C447 71356 1 - 1. 2 Buffer springs in side steering tube broke. 1 - 18. Side Steering Tube broke where machining finishes, on the bottom bend. F3212 Straight side steering tube fitted. 1 - 48. Near side spring broken (front end) F812 Near side spring clips broken. K5400 2 - 16. Off side cross steering lever broke. C446 2 - 41. Near side spring broke front end. F812 Buffer spring in side steering tube broke. 3 - 4. Near side spring broke, front end. F812 3 - 27. Off side spring clip broke. K5400 3 - 30. Near side spring broke front end. F812 3 - 50. Side steering lever broke. C447? 6565 4 - 25. Off side spring clip broke. K5400 5 - 10. Near side spring broke, front end. F812 Near side spring clip broke. K5400 5 - 40. Near side cross steering lever broke. C447 Buffer spring broken in side tube. | ||