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  #1  
Unread 10-20-2011, 06:54 PM
bgreene bgreene is offline
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Default Thinking about adding foam- anyone has ?

With some decent access to the hull from the gunnel rod holders and such, I'm thinking - how about pouring some foam into this V21.

Has anyone done so ? What's the issue as long as I don't create any blockages to water flow or wiring.
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  #2  
Unread 10-20-2011, 08:14 PM
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I've shoved swimming noodles into various access areas for flotation, if you keep them out of the sun, they last a long time
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  #3  
Unread 10-20-2011, 09:16 PM
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Quote:
Originally Posted by bgreene View Post
With some decent access to the hull from the gunnel rod holders and such, I'm thinking - how about pouring some foam into this V21.

Has anyone done so ? What's the issue as long as I don't create any blockages to water flow or wiring.
Is this another dream of yours or are you actually considering doing it?
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  #4  
Unread 10-20-2011, 10:39 PM
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Originally Posted by spareparts View Post
I've shoved swimming noodles into various access areas for flotation, if you keep them out of the sun, they last a long time
Thought about using them and also ping pong balls. They are small, lightweight and fit just about anywhere. Problem is their cost. I'd need to talk to a manufacturer and buy in bulk. But out of the sun they should last forever.
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  #5  
Unread 10-20-2011, 10:42 PM
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Quote:
Originally Posted by bgreene View Post
With some decent access to the hull from the gunnel rod holders and such, I'm thinking - how about pouring some foam into this V21.

Has anyone done so ? What's the issue as long as I don't create any blockages to water flow or wiring.
If you're going to use poured foam you have to be very careful... that stuff expands as it cures.. and can exert tremendous force between the hull and the deck. I've heard of cases where it's actually parted seams.
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1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.


If God didn't have a purpose for us we wouldn't be here, so
Live simply, Love generously, Care deeply, Speak kindly.
(Leave the rest to God)

Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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  #6  
Unread 10-21-2011, 04:05 AM
bgreene bgreene is offline
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Quote:
Originally Posted by reelapeelin View Post
Is this another dream of yours or are you actually considering doing it?
It may be a dream because of the following concerns:
1. foam expansion could cut off the factory set water flow path that currently runs under the cuddy to the bilge.
2. to Destroyers point - the foam expansion could cause issues in terms of pressure on the hull, decking etc.
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  #7  
Unread 10-21-2011, 08:35 AM
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Bgreene your V21 should have foam in it already. Or are you just wanting to add to what is there?
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  #8  
Unread 10-21-2011, 10:48 AM
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Bgreene your V21 should have foam in it already. Or are you just wanting to add to what is there?
Bingo, my thought exactly. Probably can't see it without some poking around though. It should have two part foam poured in place from the stringers out as well as around the fuel tank.
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  #9  
Unread 10-21-2011, 12:21 PM
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I read somewhere about the relationship of added weight vs. added displacement.......you should really look into it. My understanding was that it was not a great idea. I'll see what I can dig up......
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  #10  
Unread 10-21-2011, 03:00 PM
bgreene bgreene is offline
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Quote:
Originally Posted by Blue_Runner View Post
Bgreene your V21 should have foam in it already. Or are you just wanting to add to what is there?
Maybe it does have foam already. If so, no need.
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