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  1. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    I don't know about you, but when I climb a rock ledge or some similar obstacle, my tires are trying to go up. Not really throwing a wrench into ALL my conclusions, just the one, that Landtank originally suggested. And it's not a wrench that I didn't already give you in post #25 'Drop...
  2. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Here’s some general observations and conclusions: Binding of bushings during articulation Best to Worst 1. Dropped Brackets 2. Longer arms 3. Stock Arms Clearance to back of wheel well at full compression Best to Worst 1. Longer Arms 2. Stock Arms 3. Dropped Brackets Clearance...
  3. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Well, since you said, and I quote ' A shift in the axle won't turn the steering wheel (bump steer)', and turning the steering wheel has nothing to do with bumpsteer, it seemed to me that we did need to come to a common understanding. It's there. Weither it's enough for the driver to notice...
  4. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Like I'm a mind reader. I used about all my thinking power just to make sure I hadn't screwed up any of the dwgs! Drop brackets have the advantage of coming up and back away from an obstacle. But that's been argued with shackle reversal for years. One theory is it comes up and back and that...
  5. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    They hang down below the axle? The greater fore/aft movment creates more bind in the bushings? Whatcha thinking tank?
  6. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Slee - does it look a little better now?
  7. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Nay, you're a little off on what bump steer is. "A. Bump Steer Definition Bump Steer is when your wheels steer themselves without input from the steering wheel. " http://www.longacreracing.com/articles/art.asp?ARTID=13 Hit a bump, and the front axle changes it's relation to the...
  8. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Depends on which leaf sprung vehicle as to weither the front shackles are in the front, or in the rear, does it not? Yes and no. As you corner, the body starts to lean, and then the suspension changes make the truck turn more ('support the maeauver'), which makes it lean more, which makes...
  9. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Is up and back favorable, or is up and forward favorable?
  10. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    I relate it to bumpsteer cause what happens when the axle moves up, it either moves up and forward or up and back. If one side is moving up and back or up and forward and the other side is stationary (pothole, or bump on one side of the road), the axle is twisting, or turning relative to the...
  11. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Wow, I've only done the dropped brackets and stock location with stock arms so far, and it sure does make a difference the arms being 33" instead of the 24" I origonally used. Much less front to back movement. Stock arms, stock location: Ride height - wheel .1" behind center of opening...
  12. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Kool. I'll change it accordingly. That's part of why I wanted to put the assumptions up front, so if any were wrong, they could be corrected. I don't want to be saying innaccurate things about your product or anyone elses. Effectively, it is further from the pivot point, and will have a...
  13. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Well, can either start by putting the assumptions up front - or, let everyone guess what they are. Just trying to be up front with the info.
  14. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Why you should care about this? This is what happens with the radius arm as you look down from the top when you hit a pothole or bump. And this is why the more movement front and back for the same movement up and down will give more bump steer.
  15. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Drop Brackets - Stock arms .....
  16. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Longer Arms - stock mount ...........
  17. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Stock Arms - caster bushings or plate .......
  18. Walking Eagle

    Suspension Geometry With Various Caster Correnction

    Some time ago there was ‘that’ thread, about different options on caster correction and what each did to the front suspension. I had done up a couple of examples on CAD, and I decided to sit down one day and do up three different options. 1st is stock arms w/ either caster bushings, or caster...
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