Was thinking about making some extra long booms for two of my downriggers and was just wondering if anyone on here has done this with any success. I run 4 cannon unitroll 10's, two off each side. I want to get more spread out of the two that I run straight out, fully extended, to get some more spacing between my lines while turning. I think the cannon booms are 1-5/16" diameter, not sure if pipe in this size is readily available, but I would think that a stick of schedule 80 6061 would be plenty stout out to 8-10 feet to hold a 10-12# weight at 2kt's trolling speed. I think the extendable boom that they come with goes out to 53"...........Don't think it would be that hard to mount a pulley on the end for spooling the line through, and it's just held in the mount by a single set screw.
if anyone has tried this, I would love to hear how it worked out for you.