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1 1/2 inch scale Allchin traction engine - stock code 8273

A finely made 1 1/2 inch scale Allchin traction engine to the "Royal Chester" design by W.Hughes, serialised in "Model Engineer" magazine in the 1950s.

Machining, fit and finish is to a high standard throughout, paintwork well executed and neatly lined. Ticks over very nicely on compressed air at 15psi - there's a short clip of it running here.

scale 1 1/2 inch & smaller
length/inches 27
width/inches 12
height/inches 18
weight/kg 30
cylinder material cast iron
valve type slide
valve gear Stephensons
reverser type pole
governor type Pickering
lubricator type mechanical
injector(s) 1
working pressure/psi 90
boiler type locomotive
boiler material copper
safety valve(s) 2
safety valve type Ramsbottom
mechanical pump 1
road speed(s) 2