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 related to springs and steering components for a Standard 40/50 model.
| Identifier | ExFiles\Box 73\2\ scan0170 | |
| Date | 2nd January 1924 | |
| SHEET 2. SPRINGS ANCHORED AT REAR AND SHACKLED AT FRONT. Standard 40/50 Steering Box - Pendulum and Side Steering Tube - No Radius Rods. Total running time. hrs. mins. Piece No. Running time. hrs. mins. BREAKAGES. Description and Remarks. 50 58 Lemoine 18 21 O.S. front spring top leaf broken 3½" to rear of centre bolt. Brinell at fracture = 388. Replaced by Woodhead spring. F.4614 18 21 Front buffer spring in front joint of side steering tube broken. F.4616 18 21 Rear buffer spring in rear joint of side steering tube broken. 51 30 Lemoine 18 53 N.S. front spring top leaf broken 2¾" to front of centre bolt. Brinell at fracture = 341. 55 26 F.2888 55 26 O.S. flange of 3rd. Cross Member broken. 56 15 K.5422 ----- N.S. rear spring clip broken. 57 5 F.4636 5 35 N.S. front spring top leaf broken 2" to front of centre bolt. Replaced by Woodhead spring. 59 25 ----- 26 48 ⅛" bolt sheared in O.S. spring anchorage. 62 50 F.4636 5 45 N.S. front spring top leaf broken 2" to rear of centre bolt. Replaced by Woodhead spring. 65 0 F.4826 65 0 O.S. diagonal stay lug on 1st. Cross member broken. 66 30 F.4636 15 0 O.S. front spring top leaf broken 2½" to rear of centre bolt. Replaced by Woodhead spring. | ||