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pdcjohnson
MMT Member
Joined: Sat Feb 16, 2013 5:54 pm Posts: 30 Location: Prairie Du Chien WI
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 Porpoising weld bead test with no welding!!!
My boat was porpoising bad, so bad I thought the trolling motor was going to bounce off the front. So I read a thread about welding a bead on the transom so I wanted to test it before I went welding for no reason so this is what I did. I've used this stuff in the past so I knew it was strong, its called JB Steelstik its a 2 part puddy that bonds to aluminum dam good. First sand paint off 4 " in from outside of back edge of transom about 8" wide with course sand paper. Then clean with acetone let dry, I ran a propane torch over is to make sure it was totally dry and warm. Then mix the puddy, do only a quarter of the stick at a time, its grey with a black center mix it till its all black. Then roll it in your hands to the desired (I started at about 3/8) bead and stick it to the boat making sure to work in the edges and in 1 hour is hard.. went and ran it and no more porpoising.... I put mine on a little heavy so tomorrow I'm going to shave it down a bit and test again but I tell ya if you have a porpoising problem give this a try first...
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Thu Apr 04, 2013 7:21 pm |
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Bigrich
MMT Elite Member
Joined: Wed Dec 19, 2012 7:52 pm Posts: 7064 Location: Mallard country
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 Re: Porpoising weld bead test with no welding!!!
I know u can lay a bead of silicon on bottom all way across and take like 6" off a side until u get what u need, when u go to far then u know to add the 6" back mark it then weld a bead
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Thu Apr 04, 2013 7:40 pm |
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KingKey
MMT Pro Member
Joined: Thu Jan 31, 2013 8:31 pm Posts: 96 Location: Naples, Fl
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 Re: Porpoising weld bead test with no welding!!!
Awesome idea, nice to be able to test that before you put the fire to it!
_________________ Green 17x54 GatorTail Extreme gettin' chased by a Green 35 GTR
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Thu Apr 04, 2013 8:07 pm |
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med
MMT Elite Member
Joined: Wed Jan 14, 2009 8:25 am Posts: 6432 Location: the dark side of the moon
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 Re: Porpoising weld bead test with no welding!!!
Worked on my gd but it can come off so check it everynow and then. It wrks
_________________ 1850 & 36pd
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Thu Apr 04, 2013 8:19 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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 Re: Porpoising weld bead test with no welding!!!
Wright minds think alike, I used sea repair on my wedges. Lasted for a really long time, over a year.
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Thu Apr 04, 2013 11:21 pm |
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med
MMT Elite Member
Joined: Wed Jan 14, 2009 8:25 am Posts: 6432 Location: the dark side of the moon
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 Re: Porpoising weld bead test with no welding!!!
I need to get some of that material and get some proper ones made
_________________ 1850 & 36pd
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Thu Apr 04, 2013 11:37 pm |
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banded-mallard
MMT 1000 Club
Joined: Wed Oct 07, 2009 8:18 pm Posts: 4310
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 Re: Porpoising weld bead test with no welding!!!
Looks like cut down angle
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Fri Apr 05, 2013 6:58 am |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm Posts: 4534 Location: South Louisiana
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 Re: Porpoising weld bead test with no welding!!!
All yall doing is causing drag with that ***** mess!
You can't shift some weight around to help with it?
_________________ 17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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Fri Apr 05, 2013 7:35 am |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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 Re: Porpoising weld bead test with no welding!!!
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Fri Apr 05, 2013 8:54 am |
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