so then had to cut the center out of this rim

test fit the two pieces there is a big gap need to do something

cut a bunch of scrap lamicoid

stack up 4 pieces
attach the stacks to the rim

test fit all good attach the inner to the outer rim

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repeat for the other three rims
now back to the deck here is the back stop that all the booms attach to

the sling

the winches

the boom swivel pivot thing

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the pulley end of the boom