I saw a canoe with slight indentations behind the stem on both sides, both ends. Is this normal? Does it affect the performance? I might be interested in buying this boat.
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Dimples
- Thread starter Black_Fly
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might it be where the flotation tanks are glassed in? I've seen a few boats where you can see them from the outside
Yes, this is the case. Is it a defect in your mind? I've owned many canoes, no such issue. Seems like it could affect the glide, might put stress on a joint, might even be a beneficial aspect, hell, I don't know. Like I said, never noticed it before.
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What's the hull made of?
These dimples will cause cavitation pockets at the bow and stern, disturbing the parting and replacement of laminar flow around the hull, thereby increasing drag resistance and total water friction. More simply, this will slow your paddling speed by 0.0014159265 mph. I doubt the dimples would pose structural problems. Aesthetics are in the retina of the beholder. And pocketbook.
Man, my paddling stroke is so efficient, and since I'm training for the crosscountry paddling olympic competition, I may have to pass on this baby. That drag coefficient might hurt my chance at gold.
Yes, I've seen this on a high-dollar, carbon/innegra boat that the dealer was very intent on selling me. It was a 16' "Prospector" that weighed 32 lbs. My thought is that a canoe hull needs to be smooth - certainly not an example of properly designed hull.
Yup.. Some makers actually put in these dimples on purpose. Supposedly to aid tracking. I have a couple of boats that you can see dimples on.
Now get in the dark and feel her hull up. Seriously the eyes deceive.. If it is a tuck avoid it.. Its had plastic surgery.. You can't tell without a hand job.
Now ducking back into G territory. My supposedly dimpled boats don't impede my Olympic hopes.
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The dimples are probably well above the waterline so probably zero effect on performance or worst case no more than Glenn's estimate. I'm guessing the boat has plugs in the flotation tanks. If one keeps their flotation tanks tightly sealed the air inside can contract or expand with changes in temperature and cause dimples that you may not find cute. It's an opportunity to offer $300 less than the asking price.
