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laminated mast - glue line


Gregg Spies

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I have to laminate three pieces if timber together for an unstayed mast, and the plans are not clear as to which way the glue lines should run...ie fore and aft, or side to side. I am thinking fore and aft, as it would be stronger in that plane and allow for mast flex to the sides.

Am i correct?

It is only a shortish mast at 4.6m long for a Jimmy Skiff and has a leg'o'mutton sail.

Thanks

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I lamenated up the mast for my weekender this afternoon.  I made it as a four sided box.  I oriented the glue lines so that they fell on the sides like you.  I also glued in some blocks to fill the inside space at critical places on the mast such as where the gooseneck is  mounted.  The main reason I oriented the lines on the side is I didn't want to drill holes through the glue line to shove bolts through.  I don't know if it matters that much, but it seemed the thing to do.

Al

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