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).
Specification change document comparing previous and revised parts for valves, camshaft, and flywheel/clutch assemblies.
| Identifier | ExFiles\Box 169\4\ img157 | |
| Date | 27th January 1933 | |
| -2- RHC{R. H. Coverley - Production Engineer}/TSC/IS.27.1.33. Previous Specification. Valves & Fittings LOP. E.100204 6-E.100588 Exhaust Valve S/SLV. 6-E.100928 Bottom Washers. 6-E.100090 Valve Stem Packings. 3-E.100200 Push Rods. removed. Camshaft LOP.E.100112. 1-He.633 Camshaft 105 1/2° removed. Flywheel & Clutch LOP. G.100500. 8-F.70912 Bolts. 8-X.4313 Nuts. removed. Revised Specification. Valves & Fittings LOP. E.100204 - LeC.3306. The following New parts fitted incorporating:- LeC.3306 - Strengthened Exhaust Valves. 6-E.100928 Exhaust Valves-S/SLV 6-E.100927 Bottom Washers. 6-E.100928 Valve Stem Packings. 3-existing E.100200 Push Rods- re-fitted. 3-New E.100885 Push Rods.- Strengthened Type to LeC.3232 fitted to No's 3-5-11. Camshaft LOP.E.100112. New E.100863 Camshaft 107° from Forms E.100861. Flywheel & Clutch LOP. G.100500. F.100491 Flywheel modified to enable Lock Washers to secure Nuts for retaining Flywheel. 8-G.100119 Bolts. 8-E.27068 Nuts. 8-E.50326 Lock Washers. RHC{R. H. Coverley - Production Engineer}/TSC. [Illegible signature/stamp] | ||