I have a 12 foot long frame that cantilevers in a pickup bed which is 8 foot with the tail gate down. The frame supports a weight that has a center of gravity about 9 foot from the supported end or about a foot past the end of the support. Of course the supported end is held down securely.
I wish to make the frame transportable by splitting it in two so each piece fits in the bed. A quick measurement says this will fit with little room to spare. The frame is made of 1x6 decking boards with cross supports about 3 feet on cent3ers and 2x2 diagonals. If I cut the 1x6 boards in the right spot I would need a way to fasten them back together that is easy to couple and uncouple.
First I thought of using hinges and just folding the frame. But I can't find any hinges that would fit and be strong enough. I can be better to just split the two halves anyway, so now I think something like door hinges with a removable pin. Door hinges are a bit small, mostly 3.5 inches and the pin needs to be hammered in/out. I can find larger ones, but still I would need tools to use them.
I can't think of a fastener that would do the job without being bulky. I could add alignment pins to the wood to provide strength, but they would stick out unless I make them removable and there is not a lot of length to spare.
I don't think I've ever seen anything that will do this job.