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8155

3 1/2 inch gauge "County of Dorset" 4-4-0

A new, unsteamed GWR "County" to Don Young's "County Carlow" design; this one turned out as 3476, "County of Dorset".

Designed by Churchward, using common parts from his 4-6-0 "Saint", the original locomotives were built from 1904, 3476 outshopped from Swindon in 1906.

This is one of a pair of locomotives which have come to us from the son of the builder, a toolmaker during his working life. Machining work is - as expected - crisply executed. Fit and finish of the motionwork is good, the chassis runs well on air.

The commercially built, silver soldered copper boiler is by the estimable R.Chambers of Weymouth. We have its original paperwork from the  manufacturer, the boiler has had a repeat hydraulic test in recent days.

 

Technical information

Stock code

8155

Gauge

3 1/2 inch

Length/inches

25 + 19

Width/inches

7

Height/inches

10.5

Wheel material

cast iron

Axlebox type

plain

Valve type

slide

Valve gear

Stephensons

Reverser type

pole

Lubricator type

mechanical

Boiler maker

R Chambers

Boiler type

locomotive

Boiler construction

silver-soldered

Boiler material

copper

Working pressure

80

CE/UKCA mark

n/a - pre-2002

Year built

1991

Boiler number

RC967

Safety valve type

spring

Safety valve

2

Hand pump

1

Mechanical pump

1 x crosshead

Injector

1

Superheater type

flue tube

Superheater

2

Pack

Single half pallet

Date out

Jan-19

Hydraulic test valid to

04-Sep-22

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