If the concavity is above the waterline it's not going to affect the handling or speed in any way. If below, I suspect it might have some effect on boat speed, depending on the amount of curvature. I can't see any likely effect on handling, which seems influenced more by the midship shape and the rocker. Esthetically, concavity can look a bit odd, especially if it is severe.
I think your hot-glue technique would be quite capable of 'snugging' the strips to the form; fishing line, straps, tape, etc. not so much. Of course, lots of people use staples (or nails, I suppose, in the old days), so I doubt that construction difficulties are the reason for the antipathy toward concavity. I'm just guessing, of course.
I think making a slightly wider station will work just fine, and as you say, if the boat is a dog (somehow that doesn't seem to be an appropriate term when referring to a boat), it will still be pretty. The prettiest kayak I ever saw would have been an awful performer (mostly made of ebony).
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Date: 2011-03-09 05:56 am (UTC)I think your hot-glue technique would be quite capable of 'snugging' the strips to the form; fishing line, straps, tape, etc. not so much. Of course, lots of people use staples (or nails, I suppose, in the old days), so I doubt that construction difficulties are the reason for the antipathy toward concavity. I'm just guessing, of course.
I think making a slightly wider station will work just fine, and as you say, if the boat is a dog (somehow that doesn't seem to be an appropriate term when referring to a boat), it will still be pretty. The prettiest kayak I ever saw would have been an awful performer (mostly made of ebony).