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12557

3 1/2 inch gauge BR Standard Class 7 "Britannia" 4-6-2

A 3 1/2 inch gauge Britannia to the LBSC design, a well-built engine that has been on display, unsteamed, since we last sold it in 2014.

Test-steamed once when first built, we suspect it's yet to run on a track - condition is as-new throughout, the paintwork remains in excellent condition.

The combustion chamber boiler has had a twice working pressure hydraulic test with new certification issued. The regulator currently doesn't convey air from boiler to cylinders when operated, it will require servicing if intended for use (or not, if the engine is destined to spend another ten years in a glass case!)

Technical information

Stock code

12557

Gauge

3 1/2 inch

Length/inches

35.5 + 20

Width/inches

7.5

Height/inches

11

Weight/Kg

38 + 10

Wheel material

cast iron

Axlebox type

plain bearing

Cylinder material

gunmetal

Valve type

piston

Valve gear

Walschaerts

Reverser type

screw

Boiler type

locomotive with combustion chamber

Boiler construction

silver soldered

Boiler material

copper

Working pressure

80

CE/UKCA mark

n/a - non-commercial

Year built

unknown

Safety valve type

spring

Safety valve

2

Whistle

yes

Hand pump

1

Mechanical pump

1

Injector

1

Superheater type

flue tube

Superheater

4

Date out

Aug-25

Hydraulic test valid to

15-Dec-28

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