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 detailing the condition and measurements of a water pump, engine coupling, pipes, and rear springs with fittings.
| Identifier | ExFiles\Box 72\4\ scan0217 | |
| Date | 25th September 1924 guessed | |
| (5) Some valves have not been seating properly which will no doubt account for the burning. Water Pump. Casings and bearings very good, wear on Rotor .003 to .004 on bearings. Engine Coupling. General condition very good. Induction & Exhaust Pipes. These appear to be quite sound but require re-facing. Rear Springs & Fittings. Near side. diff; drg limit. drg size. Smallest dia; of frnt swivel pin 1.366) .008 .005 1.370-1 Largest " " " " bush 1.374) 1.373+1 Smallest dia; of rear swivel pin 1.617) .012 .008 1.621-2 Largest " " " " pin 1.629) 1.625+2 Sketch of swivel bush showing slight taper in bore. [Sketch of a bush with three diameter measurements: .879 on the left, .869 in the middle, and .868 on the right.] Nut on centre bolt of spring slack, side clearances O.K. Off side. diff; drg limit. drg size. Smallest dia; of front swivel pin 1.368) .009 .005 1.370-1 Largest " " " " bush 1.377) 1.373+1 Smallest dia; of rear swivel pin 1.618) .008 .008 1.621-2 Largest " " " " bush 1.626) 1.626+2 Rear swivel bush is tight in bracket, drawing calls for .005 clearance which appears to be excessive and allows spring to work on the bush in preference to the bush working on pin of spring bracket, these limits should be tightened up. | ||