45mm Shivers spring rate

S

sam097

New member
I've measured and plugged my fork spring numbers into 4 different spring rate calculators and the result is about the same......., .36 to .38. I'm 180 and with gear prob 205. The forks do sometimes act like the springs are too soft for the weight. Anyone have a set of .42's or .44's laying around they can measure? OD: 1.69" Wire OD: .19 Active coils: 27 Free length: 18.0" is what I have. Just wanting to get a good idea of what I have before I buy others. I'm not sure I can trust the spring calculators.
 
If you want to be accurate, stand the spring up, measure the length, then put a known weight on the spring (pref 1kg or 10kg).

If it compresses 42mm with the 10kg weight then,

10 * 9.81 = 98.1newtons

42/98.1 = 0.428N/mm
 
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