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REW Steam Dray


This engine started life as a bog-standard Mamod SW1 of early 1970s vintage. At some point in it's previous life, it lost it's bodywork and got left somewhere for a long time getting rusty. Eventually, it was advertised on ebay, described as a "steam roller"! The last photo on the left shows it in it's as-bought condition. I converted it into a steam dray outline, roughly based on early examples such as the Bretherton Steam Lorry, also pictured opposite.

The boiler is fired by a meths "vapourising" burner. The internal dimensions of the boiler are 115mm length by 42mm diameter. It is fitted with an overflow level plug, lever type whistle and a standard safety valve. The single acting oscillating cylinder, fitted with a reversing lever, is 8mm dia x 20mm stroke.

The rear end is carried on a channel frame and the rear axle (strictly speaking only the near side wheel) is driven through a two stage reduction belt drive. The overall dimensions of the whole vehicle are approx 430mm length (slightly longer than the SW1), 142mm width x 185mm height.

Since these photos were taken, I have added rubber tyres and brass hub caps.

Photos and a description of the conversion can be seen here

The dray won the Sandman Trophy at Steam Toys Lincs in 2013.

I have installed a Bix gas burner, which can be easily removed.

Make Model Made Description Cylinders Cylinder Type
REW / Mamod converted SW1 2007 Steam Dray 1 single acting
Piston Diam mm Stroke mm Valve Type Boiler Type Fuel Mechanical Condition
8 20 Oscillating Cylinder horizontal Meths good
Cosmetic Condition Paintwork Packaging Purchased Purchase cost Additional cost
good Repainted
10/8/2007 31.00 25.00