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12-21-2004, 11:34 AM
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#1
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JC Performance Engines
 Gold Member
Join Date: Jul 2002
Location: Long Island, NY
Posts: 8,114
1995 Pantera 24SE - SOLD
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Delamination
How would I recognize delaminating fiberglass?
Anyone have pictures to go along w/ a description?
Thanks!!!
__________________
With great power, comes great responsibility.
WAS Powered by JC Performance & a roll of Duct Tape.
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12-21-2004, 11:52 AM
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#2
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Registered
Join Date: Dec 2003
Location: Los Angeles California
Posts: 8,300
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Re: Delamination
Take a plastic headed hammer and tap on the hull in the suspected area.... where it is delaminated the sound will be a dull thud instead of a resounding thump. That is one way. I've heard that there are ultrasonic gauges that measure the density of the hull and can tell if there is water or a delamination. I've never seen one being used. The other way is visual..... but by then... it's too late..... 
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12-21-2004, 12:04 PM
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#3
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Enjoy the show
 VIP Member
Join Date: Feb 2001
Location: The Joisey Shore
Posts: 10,241
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Re: Delamination
If the gel coat is gone, and you can see bare fiberglass, its delaminated.
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12-21-2004, 12:07 PM
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#4
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Registered
Join Date: Oct 2000
Location: N.E.
Posts: 3,908
Sonic
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Re: Delamination
When i had my boat surveyed, he had an infrared camera that would show moisture and delamination. Pretty cool camera.
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12-21-2004, 12:53 PM
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#5
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Registered
Join Date: Jul 2004
Location: Long Island,New York
Posts: 8,906
10 foot Kayak
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Re: Delamination
Extreme delamination. You apache guys will love this.
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12-21-2004, 05:50 PM
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#6
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speel chekk this fokker!
 Charter Member
Join Date: Feb 2001
Location: Locust Valley, New York
Posts: 5,299
27' Scarab
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Re: Delamination
jcperf i thin katht is more a "sinking" picture than a delamination picture
__________________
Pardon me, while I whip this out!
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12-21-2004, 06:16 PM
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#7
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Charter Member #71
Charter Member
Join Date: Oct 2000
Location: Long Island,N.Y.
Posts: 1,362
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Re: Delamination
Quote:
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Originally Posted by JCPERF
Extreme delamination. You apache guys will love this.
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Why ?? Is it a Fountain ?  
Relax kids, just having some fun...drinking Grey Goose martinis tonight !
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12-21-2004, 06:29 PM
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#8
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Registered
Join Date: Nov 2000
Location: Grand Haven, MI USA
Posts: 3,125
Zodiac RIB
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Re: Delamination
The hammer test for soundings is the best way. Look for the sound and a good bounce. Delamination will sound dull and the hammer will not bounce or bounce very little. A ballpean hammer works the best. Just tap it lightly along a line and listen and feel. This is the only safe way short of a core sample and doing this to the hull is impossible. Condensation will throw off the meter. In most cases this type of damage would be visible from the outside. Is it a balsa or foam core? You want to do this to the stringers, bulkheads, hullsides, deck, transom, all over. It won't do any damage as long as you just tap it lightly and use the plastic hammer.
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12-21-2004, 06:33 PM
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#9
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OSO Moderator
Charter Member
Join Date: Sep 2000
Location: Mamaroneck, NY
Posts: 8,166
Avanti & Formula 280SS
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Re: Delamination
Quote:
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Originally Posted by Wes Smith
Grey Goose martinis tonight !
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Can you make me one.... PLEASE LOL I like mine dirty
__________________
You are judged by the company you keep!
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12-21-2004, 06:39 PM
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#10
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Guest
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Re: Delamination
Quote:
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Originally Posted by hi-perf-2000
When i had my boat surveyed, he had an infrared camera that would show moisture and delamination. Pretty cool camera.
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example of infered pic.
this boat passed with flying colors
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