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 revision document comparing previous and revised parts for valves, fittings, and cylinders.
| Identifier | ExFiles\Box 54\4\ Scan156 | |
| Date | 11th August 1933 | |
| (2) RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 2/AP.11.8.33. Previous Specification. Valves & Fittings LOP. E.40218-DES.1545. Complete as shown in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 6/AP.28.7.33. Removed. Revised Specification. Valves & Fittings. Complete, fitted ex.Kestrel 6 Cylinder No.1. Unit to "A" side Block only. E.28651 Inlet valves -S/SLV. E.38330 Salt cooled exhaust valves -S/SLV. E.38324 Valve springs -Outer. E.38325 " " -Inner. E.38326 Exhaust valve-Wedges. E.38327 Bottom washers. E.38328 Top washers - Inlet. E.38329 Top washers - Exhaust. E.28070 Inlet Valve Wedges. Cylinders LOP.E.40975. DES.1810-1845-1957. Complete as shown in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 6/AP.28.7.33. Removed. Cylinders. "A". side cylinder block E.34107 complete with the following details fitted ex.Kes.6 Cylinder No.1. E.30298/9 Liners - S/HC. E.38331 Valve guides-Inlet-BZ/PC. E.38332 Valve guides-Exh.-BZ/PC. E.30010 "B" side rocker adapted to suit "A" side to retain Tachometer drive. The above Cylinder block re-studded in accordance with LOP. E.36092 to suit existing manifolds. as follows:- 4-E.27623 Studs. 2-E.28116 Studs. 4-E.28455 Studs. 4-E.28874 Studs. 10-E.31073 Studs. 4-E.36039 Studs. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||