View topic - Cracked gelcoat - car topping

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PostPosted: August 6th, 2017, 8:34 pm 
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So I strapped my brand new kevlar canoe on my car. I have car topped many canoes, including ultralight kevlar canoes and never had a problem. This canoe has a gelcoat finish and when I unstrapped the canoe I noticed cracks in the gelcoat where the straps were. I hadn't even paddled the canoe yet. The straps are simple hand pull straps with no ratchets and I did not even tighten them as much as I usually do, the canoe could move a little bit actually.
The cracks don't seem structural. There is no trace of structural damage inside, but still, I can't believe the gelcoat would crack so easily! Does this seem normal or acceptable to anyone? Did any of you run into this already? Could this be the gelcoat being brittle?


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PostPosted: August 6th, 2017, 8:48 pm 
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Looks more like someone fell on the bottom
Or something
Gel coat isn't structural


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PostPosted: August 6th, 2017, 9:14 pm 
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It wasn't there when I put it on the car though. Structural or not, the finish should be flexible to accomidate the same degree of movement the hull can. It seems like a gelcoat flaw.


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PostPosted: August 7th, 2017, 1:16 pm 
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who is the canoe manufacturer?


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PostPosted: August 7th, 2017, 2:01 pm 
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.


Last edited by jeandm on August 8th, 2017, 12:31 am, edited 1 time in total.

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PostPosted: August 7th, 2017, 4:16 pm 
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The exact same thing happened to me with a Swift rental 4 years ago. Hand tightening with straps. It's the reason I ended up buying a n epoxy canoe instead of a gelcoat (H2O, also have a Souris).

I assume it's because the tumblehome shape is not built to support a load in that direction, and I suspect it won't impair the performance on the water. I do wonder how it will stand up to repeat transportation...

M


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PostPosted: August 7th, 2017, 7:39 pm 
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Have you contacted the manufacturer? What is their response?

Jim G


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PostPosted: August 7th, 2017, 8:04 pm 
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At this point, I am waiting to hear back


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PostPosted: August 7th, 2017, 8:35 pm 
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Good. If you emphasized in your contact with them that you KNOW better than to overtighten when strapping a Kevlar canoe to your rack, that should deflate any knee-jerk reaction from the factory about "you must have overtightened the straps". Let's see if they are willing to consider that they got the mix or curing somehow wrong.

I am interested in this topic because I have a Wenonah kevlar canoe coming to me in the next few days, and its a model with notable tumblehome (The Solo Plus), and as has been pointed out, tumblehome makes the canoe somewhat more prone to crushing via overtightening.

Jim G


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PostPosted: August 7th, 2017, 9:55 pm 
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Had a Wenonah Aurora UL and never had a problem with it...


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PostPosted: August 18th, 2017, 11:31 am 
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jeandm wrote:
At this point, I am waiting to hear back


What was the outcome?

Jim G


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PostPosted: August 21st, 2017, 3:50 pm 
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Wow - brutal


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PostPosted: October 3rd, 2017, 1:06 pm 
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Any update? I was thinking about buying a Swift...


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PostPosted: October 3rd, 2017, 3:06 pm 
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For the record, the manufacturers name was deleted from this thread but it is not a Swift canoe.


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