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).
List of vehicle chassis faults and repairs recorded at various mileages.
| Identifier | ExFiles\Box 109\1\ scan0178 | |
| Date | 24th November 1942 | |
| cont'd.{John DeLooze - Company Secretary} - 2 - Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}1/GH.24.11.42. With regard to chassis mileage 30.G.VII has now completed 110,000 miles, and the troubles experienced are listed as follows :- 31,500 Miles. Rear brake drums badly scored. New drums fitted 52,434 " Front brake drums badly scored. New drums fitted. All these drums had run 23,500 miles in France. 50,000 " } 89,000 " } Front Road Wheel collapsed -new wheel fitted. Front Road Wheel collapsed - new wheelfitted. Both wheels collapsed in a similar fashion due to the outer flange breaking away from the inner rim. Photograph of one damaged wheel attached. 52,434 " Centre steering lever slack in bracket fitted to front pan. New fulcrum pin fitted and excessive end play removed. No further trouble experienced. 64,000 " } 84,000 " } Clutch failed. Refer to item CLUTCH in FAULTS list. 64,000 " Steering cam broken. New cam and rbller fitted, no further trouble. 68,000 " Hand brake ratchet seized due to small stone lodging in ratchet teeth. Refer tb item BRAKES in FAULTS list. 70,000 " Rear axle failed. See Rm{William Robotham - Chief Engineer}'s previous report. 71,000 " Near side rear brake expander unit failed - Casting broken. New uhit fitted. Both rear brake drums skimmed up to remove score marks. 89,400 " Flexible Bijur oil pipe to pivot failed - new pipe fitted. 110,000 " Coil oil pipe from Gearbox damper unit to frame broken - new pipe fitted. 110,000 " Lower triangle lever anchorage bracket under front pan broken - new bracket fitted. 3. B. 50 has now completed 65,578 miles and the chassis troubles experienced are listed as follows :- 12, 500 Miles Hand Brake ratchet sticking and rear brake 49,250 Miles. expander unit partially seized. See items BRAKES in FAULTS list. Cont'd.... | ||