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12004

3 1/2 inch gauge LNWR Teutonic Compound No.1311 "Celtic"

A 3 1/2 inch gauge LNWR 2-2-2-0 Teutonic compound, to LBSC's "Jeannie Deans" design, based on the class of ten engines by Francis Webb built between 1889 and 1890.

One of the very few examples of slip eccentric valve gear to be used in full size - here for the inside cylinder - Webb's technically interesting if complex arrangement found little favour with his successor as CME, George Whale, all ten of the class being scrapped by 1907. Built in 1890, No.1311 "Celtic" was scrapped in 1906.

A well-built model, largely complete and having been fired in the past, although requiring paintwork to tender and parts of the locomotive.

It rolls freely and runs in somewhat desultory fashion in reverse, not in forward - the compounds are quirky things at the best of times, we suspect that some further attention to valves and their timing will be required.

The boiler has had a twice working pressure test with new certification issued, it held pressure well.

The chassis appears nicely made, with a good standard of machining.

Technical information

Stock code

12004

Gauge

3 1/2 inch

Length/inches

23 + 15

Width/inches

11

Height/inches

8

Weight/Kg

27

Wheel material

cast iron

Axlebox type

plain bearing

Cylinder material

gunmetal

Valve type

slide

Valve gear

Joy + slip eccentric

Reverser type

screw

Boiler type

locomotive

Boiler construction

silver soldered with nutted and calked firebox

Boiler material

copper

Working pressure

75

CE/UKCA mark

n/a non-commercial

Boiler number

backhead

Safety valve type

spring

Safety valve

2

Hand pump

1

Mechanical pump

1

Superheater type

flue tube

Superheater

2

Date out

Sep-24

Hydraulic test valid to

02-Jun-28

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