In the 1920s the Armstead Snow Motor was developed. When this was used to convert a Fordson tractor into a screw-propelled vehicle with a single pair of cylinders, the combination became known as the Fordson Snow Devil.
Steering was effected by having each cylinder receive power from a separate clutch which, depending on the position of the steering gear, engages and disengages; this results in a vehicle that is relatively
maneuverable. The promotional film shows the Armstead snow motor hauling 20 tons of logs.
In: Creative, Science and Technology, History
Tags: Armstead, Snow, Motor, Fordson, devil, screw, propelled, vehicle, snowmobile, snow, cat
Location: Woodland, California, United States (load item map)
Marked as: approved
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