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Old 05-30-2004, 02:38 PM
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If I cut a coil spring

This kinda goes along with the spring height question I had. I got in touch with Eaton Spring and they told me the proper free height should be 13 7/16". Now thats not a problem but I was just told not to cut the coil springs because if I do it will change the spring rate. This really does not make sense to me because I'm not changing the diameter, temper or anything else on the springs just the height. I checked the knowledge base but couldn't find what I was looking for. Anyone have any idea on this??

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David
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Old 05-30-2004, 03:38 PM
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Length of the spring determines spring rate as well. Remember it's just a torsion bar coiled in a circle.
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Old 06-01-2004, 06:06 AM
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Rate is inversely proportional to length. In other words, half the length (not including any closely wound or tapered end coils) means double the rate.
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