Based on a design by Arthur Koppel and found in large numbers throughout Europe, locomotives were also built to this design by Andrew Barclay in Scotland and found on narrow gauge lines around the British Isles.

This really is a locomotive that will look at home on any railway around the world.

Technical specifications for 'Billy'.

* 0-4-0 outside framed chassis with two double acting slide valve cylinders operated by Walschaerts type valve gear.
* Internal gas firing using our 'FG' type burner.
* Controls fitted as standard are :- steam regulator, safety valve,pressure gauge, displacement lubricator, gas regulator and reversing gear.
* Dimensions are :- length 290mm, width 124mm, height 163mm, weight 2.75 Kg (with r/c).
* Full radio control is available for both regulator and reversing valve gear.
* Boiler duration 25 minutes approx.
* Colours available are green, black or maroon.
* The wheels are adjustable between 32mm and 45mm gauge.
* Also available with insulated wheels.