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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 Peregrine II, No.6 Unit, detailing new piston rings and a servo motor friction plate.

Identifier  ExFiles\Box 169\4\  img191
Date  25th May 1933
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
[strikethrough text]

RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}1/AP. 25. 5. 33.

Peregrine.11. No.6. Unit (Cassis Per.3)
Specification of the above Unit is revised as follows:-

Passed to Test 29.3.33.

Pistons LOP.E.100158.

The following New rings fitted to existing pistons.

12-E.100036 Piston Rings.
6-Hs.{Lord Ernest Hives - Chair}949 Piston Rings-Gas-Next above scraper rings.
6-Hs.{Lord Ernest Hives - Chair}945 Piston rings-Scraper - .015 chamfer.

Servo Motor Mechn. LOP.G.100665.

Hs.{Lord Ernest Hives - Chair}950 Friction plate fitted.

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


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