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).
Inspection report on rear axle, brake, and hub components.
| Identifier | ExFiles\Box 92\5\ scan0079 | |
| Date | 17th September 1936 | |
| -2- Rear axle continued. Thrust washers - Driving Shaft - G.84550/4 BZ/PC to N.S.4814 - bedding on grooved face good, scoring on plain side. Diff.pinions G.84555 - condition good. Magnetic tested for cracks and found O.K. All bushes have worked to the centre of Diff. Box approximately .025. Trunnion G.7685 Magnetic tests for cracks and found O.K. Driving shafts in S/ZNGR - off-side G.84556 twisted 8°. Near-side G.84557 twisted 10°. Magnetic tested for cracks and found O.K. Driving flange G.83893 - slight fidgetting in bore also fouling on Acme thread and pinion housing cover, which has .007 annular clearance. Rear Brakes LOP.G.83556 -Standard Production. Near-side carrier plate G.83393 and mud excluder G.83400 distorted .025 - .030. Lip of mud excluder fouls brake drum due to distortion. Inner carrier plate G.83532 also distorted - see sketch Ex.I.59. Foot brake shoes G.83530 -S/M - condition good. Brake linings G.84125/6 -S.5805 material - N.S. good, negligable wear, rivet heads spreading slightly. O.S. linings worn 1/16" one rivet in each shoe sheared off in the neck, remaining rivets spreading slightly. Hand brake shoes O.K. Oilite bushes for bell crank levers - good. Needle bearings for Toggle shaft - O.K. Rear Hubs. Roller bearing -Hoffmann R.150 - Rollers and outer ring damaged due to the inner face of roller bearing not being a contained unit. This damage is likely to be happening on all Production cars and suggest an adaptor be made as shewn on sketch Ex.I.61. continued | ||