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Triple expansion engine - stock code 9799

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Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
Triple expansion engine
A well made triple expansion engine, it turns over very smoothly and runs well on air in either direction.

Similar in design to the Bolton/Bertinat design although differing in some details, it's considerably larger than the Stuart triple.

length/inches 11
width/inches 5 1/2
height/inches 9
weight/kg 12
bore x stroke/inches 7/8 + 1 1/4 + 1 3/4 x 1 1/4
wheel material Flywheel cast iron, 2 3/4 inch diameter
cylinder material gunmetal
valve type slide
valve gear Stephensons
reverser type screw