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11 Jul 2010, 16:27 (Ref:2724974)
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#1 | ||
 Race OfficialVeteran
Join Date: May 2003
Posts: 11,142
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Measuring coil spring rates
I have four nine inch coil springs and only one is marked clearly for rate, this is 600lb, two others are marked at either 550 or 650 but it's not clear. The thickness of the coil is very similar on all four as to be so fine that it could be paint thickness making the difference. Two springs weigh 2.2kg and two weigh 2.4kg so quite a difference there. The 600lb and the unmarked one are 2.2 the poorly marked springs are 2.4kg.
I don't have a press but can I accurately measure the rates of these using only bathroom scales or would the weights be an accurate way of comparing and would the heavier ones be higher or lower rate? |
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