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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 sheet listing the components for Engine Unit No.23.

Identifier  ExFiles\Box 169\1\  img114
Date  16th May 1930
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
Y0667
RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS16.5.30.

Engine Unit No.23.
We give herewith complete specification of above Unit.

Passed to Test 15.5.30.

Crankcase & Bearings to L.O.P. E.79019.

Crankshaft to L.O.P. E.79739.

Spring Drive to L.O.P. E.79915.
Low Inertia Type.

Connecting Rods to L.O.P. E.74490.

Pistons to L.O.P. E.79533.

Cylinders to L.O.P. E.79033.

Valves & Fittings to L.O.P. E.78569.
Tappets E.80599. 2% Nickel Case Hardening Steel.

Inlet Pipes to L.O.P. E.80311.

Carburetter to L.O.P. E.80530.

Camshaft to L.O.P. E.78987.
Camshaft E.80598. 2% Nickel Case Hardening Steel.

contd.
  
  


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