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[quote=Wolfman]Sierracat, been watching your trials with that boat for a little bit.  I wouldn't worry about getting the boat back to 'stock' simply because you don't know what that may have looked like.

Prior to 1981 or so the 5.5 used the 18 sq hulls (outside tang), after 1981 they both went to the inside tang and a bridle foil for the sloop rig they also went boomless in 1981.   They are the SAME boat except that the 18sq was up to 11' wide and the 5.5 was around 8.5' wide.  I wouldn't worry too much about it.  Just get the beams so that they are around 8.5 ft wide and in proper alignment.  If you can't find the internal castings for the beams you can simply rivet the straps to the beams (after you have aligned the boat), that is how my 5.2 is put together and I've never had a problem.

The rigging should be setup so you can get the mast vertical and slightly raked.   The running rigging is essentially the same for all the Nacra boats from there.  Pretty sure that once you get it up and running its going to be an awesome boat.

Don't get hung up on the 17' moniker.  All the Nacra boats are closer to the metric designation.  I think that the 5.5 was just under 18' but those aren't exact measurements.<em>Edited by Wolfman on Nov 15, 2014 - 11:50 AM.</em> [/quote]

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