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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}
  
  


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