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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 for building a new 25/30HP car, detailing engine components.

Identifier  ExFiles\Box 101\1\  scan0116
Date  10th April 1944 guessed
  
25/30 HP CHASSIS.

Herewith complete specification for the building of a new complete 25/30HP car.

ENGINE

Crankcase & Bearings LOP EB.2737

Complete to the above LOP - Standard Production

EB.2626 Top half crankcase DRAWING
EB.1855 Lower half crankcase INCORRECT
Solid Hall's metal main bearings. BEARING RADIUS OMITTED
Rear engine feet to suit fitting into a 25/30HP frame - details required.

Crankshaft LOP EB.2700

Standard Production complete to LOP.

EB.2687 Crankshaft.

Torque Reaction Dampers LOP EB.2723

Complete to the above LOP.

Spring Drive LOP E.54745

Complete to the above LOP - Standard Production.

Connecting Rods LOP EB.2704

Complete to the above LOP.
Big end bushes in Hall's metal (Solid).

Pistons LeC.4744

E.60632 Pistons
E.60634 Gudgeon pins.

continued
  
  


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