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3 1/2 inch gauge OS BR Class 7 "Britannia" - stock code 11663

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3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
3 1/2 inch gauge OS BR Class 7 "Britannia"
A 3 1/2 inch gauge OS Britannia, an older engine showing signs of wear to the paintwork.

Unused in recent times, the boiler has had a hydraulic test in the workshop with new certification issued. As expected from an OS engine, it runs well on air in both directions - they do tend to go like sewing machines!

gauge 3 1/2 inch gauge
length/inches 36+18
width/inches 7
height/inches 11
weight/kg 57
wheel material cast iron
axlebox type plain bearing
cylinder material gunmetal
valve type piston
valve gear Walschaerts
reverser type pole
injector(s) 1
year built 1981
CE mark n/a - pre-2002
hydraulic test valid to 23/Oct/27
superheater(s) 4
superheater type flue tube
safety valve(s) 2
safety valve type spring
mechanical pump 1
hand pump 1
whistle yes