[quote=P.M.]The first picture of the extrusion with the round bolt rope slot . . . I'm curious if that is an original extrusion from Prindle or someone else, or even Nacra. Nacra has been using the triangular shaped slot extrusion for a long time. Nacra outsourced their extrusions and stocked them in bulk, then built the mast to the order of the boat.
So I suspect that this might have been what the very early extrusion profile was with Nacra. Maybe some of you folks can check your older 5.0's and 5.2's.
When I ordered an extrusion a couple of years ago, I notice that the side wall thickness was thicker than my '90's mast extrusion, resulting in a much stiffer mast section, resulting in a remarkable performance improvement.[/quote]
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