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Type of core material
I'm replacing the core plywood on the cap of my CC. Which is best to use standard or exterior plywood? What about this balsa core? Has anyone any experience with this material, and whats the advantage?
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#2
09-12-2006, 06:08 PM
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Re: Type of core material
What ever you do, make sure you use some kind of marine grade wood. Especially if your considering some kind of plywood. The difference is how effective the bond between the wood and fiberglass is. I haven't heard of anyone finding marine grade wood at a local hardware store.
Balsa is a type of wood typically used for marine applications.
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#3
09-13-2006, 09:23 AM
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Re: Type of core material
regi...check this out B4 you commit to plywood...
http://www.diabgroup.com/americas/u_...pdf/H_DS_U.pdf Hope this helps... ;) :D ... Here's another... http://www.us-boating.net/do-it-your...s-repairs.aspx
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#4
09-13-2006, 12:39 PM
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Re: Type of core material
THE NEW BOATS USE COMPOSITE MATERIALS, HOWEVER
AT THE TIME OUR BOAT WERE MADE BOAT MFG USED PLYWOOD (I DON'T THINK THE USED EXTERIOR PLYWOOD) AND IT LASTED THIS LONG, HOW LONG DO YOU PLAN TO KEEP THE BOAT? LESTERUS
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#5
09-13-2006, 07:03 PM
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Re: Type of core material
right Les,
the wood would last forever if we didn't drill holes in the glass around the wood which lets in water. if you seal up the wood totally and any holes seal with 5 min epoxy it should out last you keeping the boat.
__________________
 1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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#6
09-13-2006, 10:06 PM
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Re: Type of core material
Balsa wood is not for that application, balsa is a honeycomb type structural wood used in laminates to give stiffness and rigidity while being light weight. Is has its strength under compression forces only and is only used in a laminate(inner and outer) skin, such as decks and cabin tops of large boats in particulary sailboats. Even in this application the composite core laminates are out performing them in every category, especially the suceptibilty to moisture ;)
__________________
Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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