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Large triple expansion engine - stock code 7766

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Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
Large triple expansion engine
A large model triple expansion engine, an older model which at some stage has been electrically driven by a motor in the base chain-driving the crankshaft. It turns over somewhat stiffly although without obvious tight spots - we suspect it hasn't been run on steam in years, the electric drive is no longer operational although would appear to be largely intact.

 
High pressure cylinder is fitted with a piston valve, slide valve for the other two cylinders with individual simpling valves taken from the main steam inlet. The engine is fitted with a condenser pump.

 
 
Unusual at this size, it would be a worthwhile project to recommission - stripped and repainted it would make a handsome, well-detailed engine.
 
 
 
length/inches 23
width/inches 16
height/inches 27 including base
weight/kg 75
cylinder material cast iron
valve type HP PV, 2 x LP SV
valve gear Stephensons
reverser type screw