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3 inch scale Wallis & Steevens "Simplicity" steam roller - stock code 9258

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3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
3 inch scale Wallis & Steevens "Simplicity" steam roller
A 3 inch scale Wallis & Steevens "Simplicity" steam roller, built to the Plastow design, based on a small batch of 3 ton diagonal boilered machines produced by the Basingstoke company in the 1920s.

Fitted with a marine boiler as per the prototype engine, with feed by axle driven and hand pumps, as well as a small vertical injector of dubious efficiency.

Whilst some examples require a definite knack to fire, this one seemed remarkably eager when steamed earlier in the week, steaming freely all afternoon whilst running around the yard - there's a video of it here.

scale 3 inch
length/inches 38
width/inches 15
height/inches 25
cylinder material cast iron
valve type slide
valve gear Stephensons
reverser type pole
lubricator type mechanical
injector(s) 1
boiler number WS-261
CE mark n/a - non-commercial
working pressure/psi 90
boiler type marine
boiler material copper
boiler construction silver soldered
hydraulic test valid to 21-Sep-2024
steam test valid to 30-Nov-2021
fusible plug no
safety valve(s) 2
safety valve type spring
mechanical pump 1
hand pump 1
whistle yes
road speed(s) 1
differential yes