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Old 01-19-2013, 12:20 PM
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Originally Posted by MARTINSR View Post
Interesting stuff, as noted, gets more complicated than one thinks!

On the flat spring, how about a Ford 4x4 which has a reverse arch spring on the front? How the heck does that work?

Here's one out of the truck, it's almost flat with no weight on it! What is the thinking engineering wise with this?


I would guess with the reverse arch on the front spring, it goes along with what I was saying about roll understeer in turns.

With the other example, it is "nearly" flat, but not quite. You would have to see it installed to find out the whole story. Another explanation would be that is simply a very stiff spring for the application and it doesn't deflect much.
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