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3 1/2 inch gauge Derby 4F - stock code 8701

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3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
3 1/2 inch gauge Derby 4F
A 3 1/2 inch gauge LMS 4F, an older model which has been in recent club use.

Club certification with hydraulic test valid until 2021, steam test expires in May 2020. The engine runs well, however there are a couple of tiny pinhole leaks on the foundation ring and throatplate - we suspect they'd take up under steam (and are pretty sure it's been running around like this for this for a while) but need either plugging or some Comsol before next test.

gauge 3 1/2 inch
length/inches 41
width/inches 6 1/2
height/inches 11
wheel material cast iron
cylinder material gunmetal
valve type slide
valve gear Joy
reverser type screw
lubricator type mechanical
injector(s) 1
boiler number 298
working pressure/psi 80
boiler type locomotive
boiler material copper
boiler construction silver soldered
hydraulic test valid to 3/Feb/2021
steam test valid to 3/May/2020
superheater(s) 1
superheater type flue tube
fusible plug no
safety valve(s) 2
safety valve type spring
mechanical pump 1
hand pump 1
whistle yes