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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).
Parts list detailing modifications to engine components including connecting rods, pistons, and cylinders.

Identifier  ExFiles\Box 169\4\  img134
Date  9th November 1932
  
-2-
RRC/WSC{W. S. Cassel}3/IS.9.11.32.

Connecting Rods LOP.E.100157 - RR.Scheme 107.

E.100026-7 Connecting Rods and Caps- (Forged Type).
E.100028 Big End Bushes - Whitemetal.

Pistons LOP.E.100158 - LeC.3158 (6-1 Ratio.)

Complete to the above LOP.
E.100625 Piston (New Piston fitted to No.4 bore - due to Broken Exhaust Valve damaging same.)
E.100037 Piston Rings - Top.
E.100038 " " - Scraper.

Cylinders LOP.E.100581 - LeC.3159.

E.100578 Cylinder Head to LeC.3159 is, modified Rocker Shaft fixing, and Oil Drainage Scheme, re-machined in Combustion Chamber to Hs.{Lord Ernest Hives - Chair}746 to reduce Comp. Ratio from 6.5 to 6.0.
E.100555 Rocker Cover.
E.100081 Valve Guides - Inlet & Exhaust - I/C.

Valves & Fittings LOP.E.100204 - LeC.3159.

Complete to the above LOP. incorporating:-
LeC.3159 - Modified Cylinder Head and Rocker Shaft Fixing.
E.100581/2/3 Rocker Shaft Pedestals - S/M.{Mr Moon / Mr Moore}
E.100587 Inlet Valves - S/SLV.
E.100588 Exhaust Valves - S/SLV.
E.100584 Rocker Shaft.
E.100202 Valve Springs.
E.100203 Tappet Springs.
1-New E.100587 Inlet Valve - }
1-New E.100588 Exhaust Valve }
fitted in No.4 bore replacing Broken Exhaust Valve.

Camshafts LOP.E.100112 - LeC.3223.

E.100862 Camshafts 105° - Cam Forms E.100861.
to LeC.3223.

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