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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).
Specification revision document for the Peregrine II, No. 1 Unit, detailing component changes.

Identifier  ExFiles\Box 169\4\  img097
Date  25th August 1932
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
o/AH.
o/EH.
o/FD.{Frank Dodd - Bodies}

X / Unit
RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}13/LS.25.8.32

RECEIVED STAMP: 26 AUG

PEREGRINE II.NO.1.UNIT.
Specification of the above Unit is revised as follows.-
PASSED TO TEST.

Previous Specification.
Valves & Fittings LOP.E.100204.

Camshaft LOP.E.100112.
E.100111 Camshaft - Ms.533 108 1/2 ° - removed.

Cylinder Head LOP.E.100082.
E.100090 Cylinder Head- removed and fitted to Per; No.2 Unit
E.100091 C.& A.Gasket - removed.

Crankcase & Bearings LOP. E.100293.

Revised Specification.
Valves & Fittings LOP.E.100204.
12-E.100203 Tappet Springs - replacements.

Camshaft LOP.E.100112.
E.100543 Camshaft 108° - using Inlet Cam Form E.100361 for both Inlet and Exhaust.

Cylinder Head LOP.E.100082.
E.100520 Cylinder Head - incorporating Improved Cooling and 14m/m Spark Plugs ex Per.II.Unit.
Cylinder Head Gasket supplied by Klingerit Coy,- fitted

Crankcase & Bearings LOP. E.100293.
Crankcase modified to Ex.8910.
Sleeve Ex.8911 fitted - scheme to release surplus oil and prevent same from getting into Clutch Casing.

RHC{R. H. Coverley - Production Engineer}/WS C.
  
  


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