Ok, I am gonna jump in with an observation or three,,, A set-up like this was campfire discussed on one of our outings,, one concern that came up then and now is even more evident now that its in picture form is the stress on the front spring mount,, It looks to be held in place by one or two bolts secured directly to wood,,, over a period of time and road bumps one or both axle mount bolts may loosened to the point that if a bad bump or pothole were hit the axle could slide rearward making the trailer hard to pull safetly,,, the simple solution was to mount the springs on some type of metal about 3' long and then solid bolt it to the wood frame,,, then weld a light tie metal piece from the front of the spring mounts to the tongue on both sides to tie it all together,, If a severe stress was put on the axle a solid metal to metal connection could save the day, and keep everything underneath the box in the location it was suspose to be,,
I am definately not poo pooing on any design and am a huge supporter of build whats needed but dont overbuild or overdesign and am trying to practice what I preach in building my current tear,, I just know there is a point where the line is crossed from over build to underbuild,, and I really dont think any one knows yet where that point is,,
and now for my disclaimer,,, this is just my humble opinion and is for creating a thought process to build a light, structurally sound and safe t&ttt
Chipper
p/s we had an ice event here in Carolina, I just got power last night,,,
I'M BACKKKKKKKKKK