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 breakages for Woodhead springs and Houdaille shock absorbers, detailing parts and running times.
| Identifier | WestWitteringFiles\L\Jan1924-March1924\ Scan42 | |
| Date | 2nd January 1924 | |
| SHEET 3. WOODHEAD SPRINGS - HOUDAILLE SHOCK ABSORBERS. Total running time. hrs. min. | Piece No. | Running time. hrs. mins | BREAKAGES. Description and Remarks. 73 55 | F.4636 | 11 5 | N.S. front spring top leaf broken 1½" to front of centre bolt. 77 38 | F.4636 | --- --- | O.S. front spring 3rd. leaf from top broken in two places, 4" from each end. 80 58 | F.4636 | 7 3 | N.S. front spring top leaf broken in two places - 2" either side of centre bolt. 83 0 | F.4614 | 32 2 | Front buffer spring in rear joint of side steering tube broken. | F.4616 | 50 23 | Rear buffer spring in rear joint side steering tube broken. 83 2 | F.4636 | 16 32 | O.S. front spring top leaf broken 2" to rear of centre bolt. 84 30 | ----- | -- -- | ¾" bolt in O.S. spring anchorage sheared. 90 30 | ----- | -- -- | ¾" Bolt in O.S. spring anchorage sheared. 90 40 | F.2888 | 90 40 | N.S. flange on 3rd. cross member broken. 94 10 | F.4636 | 13 12 | N.S. front spring top leaf broken in two places, 2" either side of centre bolt. 97 50 | F.4614 | 46 52 | Front buffer spring in front joint of side steering tube broken. 100 0 | | | O.K. 104 52 | F.4636 | 10 42 | N.S. front spring top leaf broken 2" to front of centre bolt. 108 5 | F.4636 | 25 3 | O.S. front spring top leaf broken 2¼" to rear of centre bolt. 109 5 | ----- | 109 5 | O.S. front frame member cracked at point of attachment of rear anchorage of front spring. 113 40 | F.4636 | 8 48 | N.S. front spring top leaf broken 2" to rear of centre bolt. | ||