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Advice Needed: minor stress crack

 
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Clittle14



Joined: 25 Mar 2019
Posts: 15
City/Region: Petaluma
State or Province: CA
C-Dory Year: 2010
C-Dory Model: 16 Angler
Photos: Clittle14
PostPosted: Mon Mar 25, 2019 1:14 pm    Post subject: Advice Needed: minor stress crack Reply with quote

Hi all,
I am new to the forum and interested in buying a '98 C dory 16' angler.
It has a stress crack where the top connects to the deck which is apparently only through the gel coat. Can anyone offer some insight/advice to a crack like this and what it could mean for future damage or repair costs?
Thanks!
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DavidM



Joined: 24 Dec 2017
Posts: 196
City/Region: Punta Gorda
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 22 Cruiser
PostPosted: Mon Mar 25, 2019 1:38 pm    Post subject: Reply with quote

Rain water or snowmelt can seep into a crack like that and if stored outdoors in a cold climate it can freeze and expand the crack until it is more than gelcoat. That could allow water into the core and rot it. I forge,t do C-Dorys use balsa for coring?

Anyway if it is fairly new then it can be easily ground back to solid gel coat, filled and sealed. You can use Marine Tex or a gelcoat patch kit where you mix colors to match.

David
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Mon Mar 25, 2019 5:30 pm    Post subject: Reply with quote

Without seeing a photo, or the crack in person--no one can tell you if it is serious or just a cosmetic issue. Many "Stress" cracks, are in right angle turns, where the gel coat is thick--occasionally there is an air void, etc.

It is extremely rare for a "stress crack" alone to cause delimitation or serious damage. But again--we have to see it to know.

Send me an e-mail photo, and I can either post it or give an opinion.

Yes, most C Dory core are balsa--there are many reasons for balsa over some other composite. But the balsa core must be protected. Done right it is an excellent material.

I would avoid using Marine Tex especially in an area which is gel coated--and cosmetically a possible issue. A small area repair is not expensive or difficult.

_________________
Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL
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