What happened here?
What happened here?
As I was disassembling the front end, I noticed the left coil spring was distorted. I've never seen anything like this and didn't know if any of you had any ideas as to the cause.
Funny thing is that the car didn't really sit lopsided, but the left coil is at least 3 inches shorter than the right side.
Various theories encouraged!
Funny thing is that the car didn't really sit lopsided, but the left coil is at least 3 inches shorter than the right side.
Various theories encouraged!
I was never enthralled with the way it drove, but with an m21, super high (2.56) O rear, I suspect it was meant more for highway than strip.
Considering that the springs are held captive and somewhat compressed at full rebound, and the car is rarely at full rebound, they may have sat equal when installed into the car. I think that one spring took a different set than the other over the years and that is what it ended up as. Observers will note that both springs have the same amount of coils and only one area is compressed. I would say that one spring is more compressed at rest than the other, but it isn't a shorter spring.
In case y'all care, spring force is F=-K(x) where H is Hooke's constant (and that varies per material and thickness of said spring) and X is how far you compress it. I would wager that the constant changed on the deformed one, but, once compressed into the car, probably didn't make that much of a difference overall, as part of the spring failed, but the rest of it uncompressed enough to balance it out.
A broken spring would work, I think, provided the ends didn't get past and inside each other.
In case y'all care, spring force is F=-K(x) where H is Hooke's constant (and that varies per material and thickness of said spring) and X is how far you compress it. I would wager that the constant changed on the deformed one, but, once compressed into the car, probably didn't make that much of a difference overall, as part of the spring failed, but the rest of it uncompressed enough to balance it out.
A broken spring would work, I think, provided the ends didn't get past and inside each other.
Last edited by Koda; Aug 3, 2015 at 10:26 PM. Reason: Hooke's constant is K not H, duh.
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Oct 12, 2011 08:15 PM



