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3 1/2 inch gauge Royal Scot - stock code 12857

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3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
3 1/2 inch gauge Royal Scot
Aa 3 1/2 inch gauge LMS "Royal Scot", an older engine, built to a decent standard originally but now in need of restoration.

Built - like many Royal Scots - as a two cylinder model. The chassis turns over freely and runs on air forwards - with wear apparent in the bottom end - but reluctant to go in reverse.

A cursory hydraulic test at 100psi - the limit of the pressure gauge, which proved stubbornly resistant to being removed - showed no signs of leaks or distortion, however the boiler would need a twice working pressure test before use.

gauge 3 1/2 inch
length/inches 31 + 18
width/inches 8
height/inches 12
weight/kg 43
wheel material cast iron
cylinder material gunmetal
valve type piston
valve gear Walschaerts
reverser type screw
injector(s) 2
year built unknown
boiler maker unknown
boiler type locomotive
boiler material copper
boiler construction silver soldered with nutted and calked firebox
superheater(s) 2
superheater type flue tube
safety valve(s) 2
safety valve type spring
mechanical pump 1
whistle yes