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7994

3 inch scale Allchin traction engine "Royal Chester"

A finely made 3 inch scale Allchin, built to Hughes' highly detailed "Royal Chester" design, doubled up from the 1 1/2 inch scale drawings.

The engine appears to have been test steamed, possibly only once given the colour of firebox and smokebox. Both mechanically and cosmetically it's in ex-works condition - it runs beautifully on air.

Update - Ashley steamed it this afternoon, there's a short clip of it outside the works here. Steams particularly freely, runs very quietly. Only just stopped him taking it home for the weekend...

 


Technical information

Stock code

7994

Scale

3 inch

Length/inches

53

Width/inches

24

Height/inches

34

Cylinder material

cast iron

Valve gear

Stephensons

Reverser type

pole

Lubricator type

mechanical

Boiler type

locomotive

Boiler construction

silver soldered

Boiler material

copper

Working pressure

100

CE/UKCA mark

n/a - non-commercial

Boiler number

7994

Safety valve type

Ramsbottom

Safety valve

2

Fusible plug

no

Governor type

Pickering

Differential

yes

Road speed

2

Mechanical pump

1

Injector

1

Date out

Aug-18

Hydraulic test valid to

30-Apr-22

Steam test valid to

11-Aug-19

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