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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 for the Peregrine II - No.1 Unit, detailing changes to the camshaft and cross drive shaft.

Identifier  ExFiles\Box 169\4\  img098
Date  26th August 1932
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
or AJH.
or S.H.
or I.R.

[STAMP: 22 AUG 32]

RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}3/IS.26.8.32.

PEREGRINE II. - NO.1.UNIT.

Specification of the above Unit is revised as follows.-

Previous Specification.
Camshaft LOP.E.100112.
E.100111 Camshaft 108 1/4° removed.

Cross Drive Shaft LOP.E.100131.
Gear E.100122 to suit Camshaft with Gear Angle of 14 1/2° obliquity. removed.

Revised Specification.
Camshaft LOP.E.100112. *
E.100111 Camshaft 108 1/4° to Hs.{Lord Ernest Hives - Chair}633.
Gear on Camshaft - Angle of Obliquity 20° - fitted 25.8.32.

Cross Drive Shaft LOP.E.100131.
Gear E.100122 to suit Camshaft with Gear Angle of 20° obliquity - fitted 25.8.32.

[Handwritten Signature]

RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}

Measured timing of this shaft
U2C
I.O. TDC E.C. 30 B.B.D.C. Duration Inlet - 215
I.C. 35 P.B.D.C. E.O. 5 P.T.D.C. Exhaust - 215
'013
I.O. 3° B.T.D.C. E.O. 34 B.B.D.C. Duration Inlet - 222
I.C. 39 A.B.D.C. E.C. 8 P.T.D.C. Duration Exhaust - 222
  
  


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