while i am no spar builder, I can say that the couple gaffers i sail on here have big old knots in their masts. As big as my fist, but they are tight, for now anyway. Chappell says something about knots as big as a pencil are ok, clear otherwise....?
Whats the deal with your aluminum 'tube' , there is a huge assortment to choose from. WHat size do you want ?
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Brian Duff
BVI Yacht Sales, Tortola
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