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).
Engine unit condition report, detailing wear and tear on various components.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page172 | |
| Date | 7th February 1933 | |
| ENGINE UNIT -2- RHC{R. H. Coverley - Production Engineer}1/BE7.2.33. Connecting Rods. RR. Scheme 107* 1. Connecting Rods in good condition. 2. Slight scores in small end bushes. Very little wear in bores. 3. Oil pipe solder broken away at big end on No.5 Rod. 4. Connecting Rod Bearings Rod half - whitemetal badly cracked and broken away in all bearings except No.1. No.3. bearing is the worst. Cap half - Nos. 1 & 2 are good. Remainder cracked and metal broken away. Pistons. LeC 3158. 6-1 comp. ratio. 1. Condition generally good. 2. All ring stops are intact. 3. Nos. 1. 2 & 5 - the bedding is rather poor on the split side of pistons, one half of the split portion appears to have receded due to slight distortion. No.6. is scored slightly on pressure side. 4. Piston rings are exceptionally good. 5. Gudgeon pins good except for slight scores on diameters. Cylinder Head. LeC 3159 1. General condition good. 2. Valve seats slightly pocketted. One or two lightly pitted. 3. Valve Guides Good. Valves & Fittings. LeC 3159. 1. Poundage of all springs low as follows:- 7 off - 41 1/2 lbs.) 3 " - 40 1/2 " ) 1 " - 39 1/2 " ) Drawing loading 45 lbs +- 1 lb. 1 " - 42 1/2 " ) cont'd.{John DeLooze - Company Secretary} | ||