Originally posted by AK9849CY:
.....Your actual spring rate with a 250 lb coil and 300 lb coil is approximately 136 lbs; remember that the force on the coil is divided between the coils which is why the spring rate is a lower number than the actual individual coil rate....
These equations seem to make sense. However, a K-value of 136 won't hold up my truck! Let me think.
If I have 2 300# springs end to end, they will compress equally. So if I apply 600# to one, will they both press 1" each or 2" each?
Top <==600 600==> <==600 600==> axle
It seems to make sense that BOTH must compress 2 inches. I'm just having trouble believing it!
Each spring sees the full force, but they share the travel. Crazy thought....
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