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3 1/2 inch gauge "Britannia" - stock code 9377

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3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
3 1/2 inch gauge "Britannia"
A well-advanced 3 1/2 inch gauge Britannia, the work of an experienced engineer who had previously built a 5 inch gauge version which is currently in our workshop.

Not the usual LBSC design, but significantly more detailed and closer to prototype - we suspect he scaled down the 5 inch gauge drawings. It includes corrrect valve spindle guides, taper-pinned valve gear, "square drive" return cranks, reverser with acme thread and dummy Wakefield lubricators driven from the expansion link.

Work to date is to a high standard, the chassis turns over very smoothly.

gauge 3 1/2 inch
length/inches 53
width/inches 7
height/inches 11
wheel material cast iron
axlebox type plain bearing
cylinder material gunmetal
valve type piston
valve gear Walschaerts
reverser type screw
lubricator type mechanical
injector(s) 1
working pressure/psi 90
boiler type locomotive with combustion chamber
boiler material copper
boiler construction silver soldered
superheater(s) 4
superheater type flue tube
safety valve(s) 2
safety valve type spring
mechanical pump 1
hand pump 1
whistle yes