are you selling these things, or just showing what you made??

I would make that so weight could be added to it, as in my area with rocks and heavy matting, it wouldn';t do anything but bounce up every few feet and do much as is??
but nice idea? just needs a little tweaking I think might even be able to add some air shocks to it, real easy to aid in down force and have the eye bolts to be able to slip on and off fast like?

Just showing.

Really nice job I do agrre with added weight you could weld in a platform between the 2 spike frames for a couple of cement blocks to sit in but very nice

Most of the time we don't need any additional weight. That angle iron is 2.5" x 2.5" x 1/4" and weighs in at 50#. When more weight is needed we have a five-foot length of 2" round steel bar that can be slid into the angle to add an additional 50#.

That sounds about correct then good job