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9115

3 1/2 inch gauge Britannia "Solway Firth"

A 3 1/2 inch gauge "Britannia", built to the LSBC design and unsteamed from new.

Built very much as a club runner rather than exhibition winner, the chassis turns over freely without tight spots.

The silver soldered copper combustion chamber boiler is beautifully made, with neat flanging and good solder penetration - we suspect it was commercially built, however the builder has clad the backhead entirely in brass sheet, obscuring any view of where we'd expect to find a maker's mark.

On hydraulic test, whilst the boiler itself appeared dry, just about every fitting and the regulator leaked preventing any meaningful assessment of its condition. As it is, the boiler needs lifting from the frames, the backhead exposing and all fittings sealed before attempting an initial shell test.

Technical information

Stock code

9115

Gauge

3 1/2 inch

Length/inches

35 + 19

Width/inches

7

Height/inches

10.5

Cylinder material

gunmetal

Valve type

piston

Valve gear

Walschaerts

Reverser type

screw

Lubricator type

mechanical

Boiler type

locomotive with combustion chamber

Boiler construction

silver soldered

Boiler material

copper

Working pressure

80

Safety valve type

spring

Safety valve

2

Whistle

yes

Mechanical pump

axle

Injector

1

Superheater type

flue tube

Superheater

4

Date out

Jun-21

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