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10837

3 1/2 inch gauge "Rob Roy" 0-6-0T

A 3 1/2 inch gauge Caledonian Railway 0-6-0T, an older model to Martin Evans' popular "Roy Roy" design.

The engine runs on air in either direction, with some leakage past the valves. The mechanical lubricator doesn't work reliably, it needs adjustment or replacement of the ratchet and spring.

Boiler has had a preliminary twice working pressure hydraulic test at 160psi for 80psi working pressure - other than a few beads of water on firebox stays which would take up under steam it looks sound, although would require cladding removed for a thorough examination before certification.

Technical information

Stock code

10837

Length/inches

21

Width/inches

7.5

Height/inches

10.5

Weight/Kg

21

Wheel material

cast iron

Axlebox type

plain bearing

Cylinder material

gunmetal

Valve type

slide

Valve gear

Stephensons

Reverser type

pole

Lubricator type

mechanical

Boiler type

locomotive

Boiler construction

silver soldered with nutted and calked firebox

Boiler material

copper

Working pressure

80

CE/UKCA mark

n/a - non-commercial

Safety valve type

spring

Safety valve

2

Whistle

yes

Hand pump

1

Mechanical pump

1

Superheater type

flue tube

Superheater

2

Date out

Oct-22

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