Depending on where yall want to put it together I would be happy to lend some time. I am a darn good welders' helper (been doing it all my life). I am skilled in the tape measure, chop saw/ torch/ ban saw, and the "don't move while I tack this".
Once there is a design, I (maybe Chris) can be cutting and fitting and others (Catchdog since he is a welder) can be tacking and welding... assembly line style.
Going with the A-frame theory...
You could weld 2 7/8s stubs coming off your main beam, which could also be 2 7/8s (for easy saddling and it probably wouldn't hurt if you are going to hang 6 hogs at a time) with at what ever angle you want and then cut 2 3/8s legs to slide up in the stubs with a set screw (bolt) on the stub to lock in the leg. YOu could do 8 legs, 6 with winches. THat would let you hang 6 hogs and each hog would have about 5' of working space if you used a 30' joint.
YOu could also break down the main beam into more managable pieces by doing the same thing. Just cut the main beam where need be, weld a shot 2 3/8 piece into one end, drill holes in the other and it will slide to the inside and you can pin it or use set screw (bolt),,, like a tent.
It could be designed to break down and go on a flat bed trailer. Your longest pieces will be the legs and they won't go over 16'.
Have pulleys on the winch cables with clasps that latch to eyes welded on the main beam. WHen you break it down the cable and clasp will go witht he leg.
We do alot of deer blinds, feeders, and tripods like that for people so that you can move them around.
