“The Stocker” phaze 2

[Endless Trails]

definetely a stupid question, even for me, but............. i dont understand this whole setup. is it just to eliminate axle wrap? i can see if you did one setup over the other for axle wrap, but both seem redundant? (think thats the right smart word.... but im medically ratarded soooooooooo......... haha)

wouldnt just the upper "link"/pannhard bar (i think thats what it is?) do the same thing as the chingadearas coming off the lower spring plate/perch, to the front of the axle??

please explain it to a 6.9 year old, Geoff!

I want to hear the theory better as well to see how close I am to guessing the engineering.

My take is that separating the axle from the springs might free up the movement of the springs. The upper bars will control the axle wrap by themselves, but wouldn't allow pinion adjustment. The spring from the front mount to the spring pad will lengthen as it flattens (compresses). If that is getting longer and the anti wrap bars (upper lengths) is fixed length then the two fight. This design could also keep the pinion angle where you want it through the travel.
The panhard just controls the horizontal movement. Typically the having the axle clamped hard to both springs and the front spring bushings being fairly tight in the front mounts great a box that controls the side to side.

How close am I because I am mostly guessing?

 

[the bodj]

I want to hear the theory better as well to see how close I am to guessing the engineering.

My take is that separating the axle from the springs might free up the movement of the springs. The upper bars will control the axle wrap by themselves, but wouldn't allow pinion adjustment. The spring from the front mount to the spring pad will lengthen as it flattens (compresses). If that is getting longer and the anti wrap bars (upper lengths) is fixed length then the two fight. This design could also keep the pinion angle where you want it through the travel.
The panhard just controls the horizontal movement. Typically the having the axle clamped hard to both springs and the front spring bushings being fairly tight in the front mounts great a box that controls the side to side.

How close am I because I am mostly guessing?

The two won't fight, since they pivot at both upper and lower mounts on the axle, like a linked truck. The only difference is that, like you said, the lower link (spring) will grow a bit as it bumps, possibly causing the pinion to want to point down. This can be mitigated by upper link placement/length

 

[Giant Geoff]

Eliminates the U-bolt, eliminates Axle wrap, takes all the different loads off the spring, torsion and laterally. Plus with the geometry loading the Upper Link forward it will give it different drivability
characteristics that are improved.

They mostly donate to help the 2000 leaf spring class, but mostly I like to innovate and work out concepts in reality where I feel satisfied and earn a personal sense of accomplishment.

 

[Giant Geoff]

I want to hear the theory better as well to see how close I am to guessing the engineering.

My take is that separating the axle from the springs might free up the movement of the springs. The upper bars will control the axle wrap by themselves, but wouldn't allow pinion adjustment. The spring from the front mount to the spring pad will lengthen as it flattens (compresses). If that is getting longer and the anti wrap bars (upper lengths) is fixed length then the two fight. This design could also keep the pinion angle where you want it through the travel.
The panhard just controls the horizontal movement. Typically the having the axle clamped hard to both springs and the front spring bushings being fairly tight in the front mounts great a box that controls the side to side.

How close am I because I am mostly guessing?

You are spot on! And I forgot to add the adjustable pinion angle. You understand a lot and it’s very cool to see.