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Basic Wagon Chassis

Basic Wagon Chassis

This chassis provides the wagon builder with a range of fold-up frames of common lengths, 6ft, 7ft, and 8ft. These sit between the solebars (side beams of the body) and provide torsion springing between the axles. The top and bottom etches sandwich ballast weights with fold down w-irons on each side.  The axleboxes can slide up and down, guided by the w-irons. The vertical movement is spread between each wheelset by transverse yokes, within the depth of the frame .  These yokes are soldered to a longitudinal wire, which acts as a torsion spring (twisting action) between the axles.  This means that the axles will truly act vertically rather than rotating about an axis at floor level.  The attached photographs illustrate this more clearly.