Need help with DIY trailer kit and axle

[robertlynk]

I tow my HF trailer 500 miles a week picking up scap produce. 500-1000 pounds pulled behind a Toyota Matrix. The other day Dropped it off and came back after work to pick it up and it was loaded down so bad that the fender bolts cut into the right side tire in the center of the tread. blew out the tire at 60 mph. pulled over no sway or whipping. Changed tire bent fender brackets up and went home 30 miles no problem. They are ok trailers but for the cost after purchase/time/lumber/nuts/bolts and screws I can almost buy a landscape trailer that is stiffer and welded

 

[AZ Pete]

What's your source on that, kmacht? This is the one-axle trailer we're talking about, correct?

First my credentials: I sold a specific type of trailer axles and tires for many years, and although I only built one trailer, myself, I've seen hundreds (not exaggerating) and I've had numerous conversations with various welders over the years.
Under very limited circumstances would I recommend a 1-axle trailer, particularly one without brakes.
If a tire blows, and it does happen, the trailer will swing out into another lane, and easily a serious accident could happen.
Now, with a 2-axle trailer, a tire blows, and the driver may not even notice for a while.
A small tow vehicle makes the need for 2 axles more imperative - not less.
Some custom utility trailer manufactures will refuse to make a 1-axle trailer if requested because they don't want to kill off their customers.

Well, I have had a couple of flats in single axle trailers, never did I experience the trailer swinging out into another lane. The trailer that I have had flats on (actually shredded tires, by the time I stopped) was a folding camping trailer.