I've been looking for used, but in order to find anything in my budget I'd have to buy it at an auction, where do you find the upcoming auctions listed at? I seem to only find those that have already been, not those coming up.
I've looked at some of the sale sites, most those are more along the line of live decks for logs, not really lumber like I'm wanting.
When you made them, what size tubing did you use and how thick were the tubes, or did you use something else entirely for the main frame?
When you reversed them, I'd guess the deck chains had to be pretty tight?