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).
List of parts for two different Peregrine engine cylinder heads prepared for comparison testing.
| Identifier | ExFiles\Box 169\4\ img164 | |
| Date | 22th June 1933 | |
| To Hs.{Lord Ernest Hives - Chair} from RHE/WSC.{W. S. Cassel} RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}1/AP.22.6.33. Peregrine.11.No.4. Unit. The following Cylinder Heads built up as details and handed to Test Bed for comparison tests. 20.6.33. Cylinder LOP.E.101011. E.100931 Cylinder Head-Turbulent type. 70 ccs. - 6 to 1 Comp.Ratio, built up complete to LOP. less E.100585 Rocker cover. Valves & Fittings LOP.E.100204. Complete to LOP. incorporating the following:- E.100928 Exhaust Valves-S/SLV-1.225 dia. E.100587 Inlet Valves-S/SLV-1.225 dia. E.100202 Valve Springs. E.100088 Top Washers. E.100093 Valve Wedges. E.100089 Bottom Washers -Inlet. E.100927 Bottom Washers -Exhaust. E.100090 Valve Packings -Inlet. E.100929 Valve Packings -Exhaust. Cylinder LOP.E.101011. E.100578 Cylinder Head-Non turbulent type. 70.ccs. -6 to 1 Comp. Ratio - built up complete to LOP. less E.100585 Rocker cover. Valves & Fittings LOP.E.100204. Complete to LOP. incorporating the following:- E.100928 Exhaust Valves-S/SLV-1.225 dia. E.100086 Inlet Valves-S/SLV-1.300 dia. E.100202 Valve springs. E.100088 Top washers. E.100093 Valve wedges. E.100089 Bottom Washers-Inlet. E.100927 Bottom washers-Exhaust. E.100090 Valve Packings-Inlet. E.100929 Valve Packings-Exhaust. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||