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FJR Motorcycle Forums
Technical & Mechanical Problems
Let's talk spring rate -FJR rear spring
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<blockquote data-quote="jeremyr62" data-source="post: 374264" data-attributes="member: 6011"><p>Someone has this above but just to be sure N/mm measures the <em>stiffness </em>of the spring That is how many Newtons (unit of force) it takes to compress or stretch the spring by 1mm. The spring will have one number describing the stiffness if the coils are equally spaced.</p><p></p><p>If the spring coils are not equally spaced then the spring stiffness varies as the coils are compressed. I don't how these are described but there must be some standard way of doing it.</p><p></p><p>You should ALWAYS specify the units you are using. Half the problem seems to be the mix of units people use. You have to make sure you are comparing like with like.</p><p></p><p>N.m is the unit of moment or torque which is very different to stiffness.</p><p></p><p>Lecture mode off.</p></blockquote><p></p>
[QUOTE="jeremyr62, post: 374264, member: 6011"] Someone has this above but just to be sure N/mm measures the [I]stiffness [/I]of the spring That is how many Newtons (unit of force) it takes to compress or stretch the spring by 1mm. The spring will have one number describing the stiffness if the coils are equally spaced. If the spring coils are not equally spaced then the spring stiffness varies as the coils are compressed. I don't how these are described but there must be some standard way of doing it. You should ALWAYS specify the units you are using. Half the problem seems to be the mix of units people use. You have to make sure you are comparing like with like. N.m is the unit of moment or torque which is very different to stiffness. Lecture mode off. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Let's talk spring rate -FJR rear spring
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