How to Measure to Calculate Placement of Torsion Axle

Question:

For small tear, single torsion axle. What should I use in axle placement calculators: center of the wheel or center of the axle? Even this small distance makes difference in my design. Thank you

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Expert Reply:

I understand how it would be unclear which measurement to use since the center of the axle is not the same as the center of the wheel on a torsion axle.

For a single axle trailer, measure from the center of the spindle (center of wheel) to the trailer tongue. The position of the wheel center relative to the center of gravity will determine the final axle loading as well as the hitch load. This applies for both leaf spring axles, like # 35545E-ST-EZ-89 as well as torsion axles, like yours.


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Carla M

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