1976 22' Starcraft Islander Rebuild

jasoutside

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Re: 1976 22' Starcraft Islander Rebuild

K, got a couple of things done today on the transom.

First up I mixed up some epoxy and poured it into the holes where the eye bolts will go. I was able to as the alum backer plate was glued up on the other side to plug the hole. The little gray dots would be PL...
P1030951.jpg


Then I mixed up some "peanut butter" (wood flour and epoxy)...
P1030949.jpg


...and plugged up all the holes...
P1030950.jpg


With the holes all plugged up like that I'll flip the transom tomorrow and pour epoxy into the holes on the other side.
 

Triton II

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Re: 1976 22' Starcraft Islander Rebuild

Nice work as always Jason. Keep it up... :)

TII
 

tomynoks

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Re: 1976 22' Starcraft Islander Rebuild

Ok... Did I miss something? Where the heck did all the holes come from? Are you filling them w/ epoxy and then drilling out for screws? I saw a guy on here a few years ago do that. Great idea to protect the wood, but I was past the transom.. maybe sometime though..
 

djpeters

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Re: 1976 22' Starcraft Islander Rebuild

You know I'm on the edge of my seat with that hole fillin' yer doing, I'm not quite there yet, but very, very close. I'm keeping tabs on you!!!

I got one side coated, and the second side will get done tomorrow night.

Where'd ya get the wood flour? I have some Cabosil, but not sure if that will get it thick enough to fill in the holes...
 

sprintst

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Re: 1976 22' Starcraft Islander Rebuild

It will get thick enough with Cabosil. Just mix enough of it in a little at a time and it will turn as gooey as you'd like it.
 

djpeters

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Re: 1976 22' Starcraft Islander Rebuild

It will get thick enough with Cabosil. Just mix enough of it in a little at a time and it will turn as gooey as you'd like it.

Can I mix the Cabosil more that 1:1 by volume? Can there be too much? I am an epoxy beginner.:D
 

sprintst

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Re: 1976 22' Starcraft Islander Rebuild

I always pre-mix the epoxy and hardener first so it's totally mixed and then add cabosil until you get the texture you like, snot, mayonaise, peanut butter, etc. :) I'm sure I mixed it until it at least doubled in volume.

I've added cabosil to fill in some dato groves that were a half in deep and it didn't really shrink at all and I'm sure you could hit it with a hammer and do nothing to it.

Mix a couple ounces up with a bunch of cabosil in it to test it out.
 

djpeters

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Re: 1976 22' Starcraft Islander Rebuild

I always pre-mix the epoxy and hardener first so it's totally mixed and then add cabosil until you get the texture you like, snot, mayonaise, peanut butter, etc. :) I'm sure I mixed it until it at least doubled in volume.

I've added cabosil to fill in some dato groves that were a half in deep and it didn't really shrink at all and I'm sure you could hit it with a hammer and do nothing to it.

Mix a couple ounces up with a bunch of cabosil in it to test it out.

Hey thanks! I will give it a try tomorrow night.

(Pardon our conversation Jas!)

Carry on!!!
 

KellyC

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Re: 1976 22' Starcraft Islander Rebuild

Jas, have you tried out those alum welding rods yet? Just curious as I have placed an order for some and they should be here anytime. I have the perfect practice material, the cut up prop that I took from the boat. I have watched a few more videos on them and they really look sweet that is for sure. Am going to be filling up a bunch of holes in it. It has 2 horns on it that I am going to remove and fill in the holes and the kicker bracket is going to be removed as well and fill in those holes. Also, can you actually do it with a propane torch or do you need something hotter. I have been scoping out oxy/accet torch sets and I know that would work for sure and it would be plenty hot. Anyway was just wondering if they work good or not.
 

tomynoks

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Re: 1976 22' Starcraft Islander Rebuild

You get wood flour after you're done cutting lumber! Just mix the "saw dust" with epoxy.. I use System 3.
 

Teamster

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Re: 1976 22' Starcraft Islander Rebuild

I accidentally stumbled into this thread tonight,....

65 pages latter and it's not on the water????,.............lol

It looks like your having fun!!!

I redid a little 16 foot alumacraft 4 years ago,....Nothing beats the feeling of the first launch after a project like your undertaking,...

And my vote would have been for #5,..............................
 

sprintst

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Re: 1976 22' Starcraft Islander Rebuild

Thanks tgp! Truth be told I am eyeballing a bunch of these sweet 16 footers floating around this place (that black beauty you have is one of em). I really need a smaller rig for the rivers and small lakes around here!

Thanks man:D

Me too. The water levels are pretty low in all the small lakes around here so I'll save the big boat for something worthy :)
 

jasoutside

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Re: 1976 22' Starcraft Islander Rebuild

Nice work as always Jason. Keep it up... :)

TII

Thanks dude! Your hair do looks good today man.:D

Ok... Did I miss something? Where the heck did all the holes come from? Are you filling them w/ epoxy and then drilling out for screws? I saw a guy on here a few years ago do that. Great idea to protect the wood, but I was past the transom.. maybe sometime though..

Well, I have about 20ish that would be the perimeter bolts and a bunch for the eye bolts and ski tow. Then there are the holes where the kicker motor was mounted and a couple of transducers. Then there are a few that I simply have know idea what the heck was there. All this is really about the aluminum skin not the transom board though. I didn't feel very good about using JB or other such things as I was afraid that they might crack or whatever due to vibration/stress. Bolts, sealed up with 5200 is the sure way to seal up the aluminum. Over drilling, filling, and re-drilling surely will protect the transom board if any water does make it in there.

Where'd ya get the wood flour? I have some Cabosil, but not sure if that will get it thick enough to fill in the holes...

Came right from my palm sander/belt sander dust bags. Free! Man I love it when I don't have to spend $$!:D

Hey thanks! I will give it a try tomorrow night.

(Pardon our conversation Jas!)

Carry on!!!

No sweat man, learning from each other is what it's all about!

Jas, have you tried out those alum welding rods yet?

Also, can you actually do it with a propane torch or do you need something hotter.

Yah, not yet buddy. This transom has been occupying my attention lately. Maybe today or tomorrow I'll get my hands on that stuff.

It looks like propane will work fine per their info. I grabbed a canister of MAP to do the job. Stay tuned, we'll see!

I accidentally stumbled into this thread tonight,....

65 pages latter and it's not on the water????,.............lol

It looks like your having fun!!!

I redid a little 16 foot alumacraft 4 years ago,....Nothing beats the feeling of the first launch after a project like your undertaking,...

And my vote would have been for #5,..............................

Yah sorry Teamster! I should really put some disclaimers around this thread that says something like...

"Beware, proceed with caution as you may find yourself very disappointed! This thread is long, I am slow, and the rig is not yet in the water!"

You are right, I am having fun though!:D
 

fshngho

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Re: 1976 22' Starcraft Islander Rebuild

Very impressive Jason. Somehow I knew you would have to fill those holes, you just don't do things half way..not your style:D
I have to let my ignoratism show through again and please forgive me. I am wondering when you fill the holes with epoxy they will become rock solid, correct? Then when you mount accessories into the holes and you tighten the bolts, you can only tighten to the limits the epoxy "sleeves" allow. You will not be compressing on the wood or transom. Would this be a problem? Its similar to installing a metal tube in the holes (same thickness of wood) and then bolting through them. If you use screws in some areas, could the screws pull the plug out? I am not even sure this is an issue, but I was/am curious.
As always you are moving along and left me in the dust...again. You are determined to make me work, aintcha?
 

jasoutside

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Re: 1976 22' Starcraft Islander Rebuild

Very impressive Jason. Somehow I knew you would have to fill those holes, you just don't do things half way..not your style:D
I have to let my ignoratism show through again and please forgive me. I am wondering when you fill the holes with epoxy they will become rock solid, correct? Then when you mount accessories into the holes and you tighten the bolts, you can only tighten to the limits the epoxy "sleeves" allow. You will not be compressing on the wood or transom. Would this be a problem? Its similar to installing a metal tube in the holes (same thickness of wood) and then bolting through them. If you use screws in some areas, could the screws pull the plug out? I am not even sure this is an issue, but I was/am curious.
As always you are moving along and left me in the dust...again. You are determined to make me work, aintcha?

Yah, a lot of extra steps but she will be sealed up, for good! I have it all apart, everything in front of me, might as well do it once and do it right.

Yup, solid as a rock!

Yah, I don't see the lack of wood compression as a problem at all. Just the fact that the wood is all sealed up with epoxy would have prevented that anyway. There will be a little 5200 on the threads of any bolts so that will prevent them from backing out. I have those backer plates on the eye bolts and on the ski tow. Totally bomber there. All the perimeter bolts have alum on both sides of the transom board so that is all super solid!

Check this out...

A few years ago I was taking a graduate course on education and economic development. We had a field trip of sorts over to West System owned by the Gougeon family (few minutes from my place actually). I was pumped!

Checked out the whole operation, cool stuff!

One area we looked into was their testing shop. They were doing some pretty crazy stuff. Some of the tests were checking the breaking strength of the epoxy/wood. There was a specific test attempting to pull out the "epoxy plug" from a big hole drilled into the wood. They were throwing some insane amount of weight on that thing! Anyway, in all these different tests it was the wood that failed not the "plug". The "plug" would come out, but with wood surrounding all the epoxy. So in short, the wood will fail before any part of the epoxy.

In my case, I have epoxy and aluminum backer on all of my bolts. If any of it fails, well, the whole transom of my boat will have probably been blown off. And if that is the case, nothing would have prevented that, eh!

And listen man, your rig is painted! (twice over actually) It'll take me forever to get my prepped and painted! You are way ahead of me!

Cheers!
 

jasoutside

Supreme Mariner
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Dec 20, 2009
Messages
13,269
Re: 1976 22' Starcraft Islander Rebuild

OK, so I gave that Dura Fix a try today. Here is what I had to start with...
P1030955.jpg


Attempt #1
Couple of alum scraps cleaned up with the SS brush...
P1030957.jpg


Heated it up, ran the weld and the plastic grommet caught on fire (should have known that would happen)...
P1030958.jpg


Pretty shoddy first try...
P1030959.jpg


Snapped off with hardly any pressure...
P1030963.jpg
 

jasoutside

Supreme Mariner
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Messages
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Re: 1976 22' Starcraft Islander Rebuild

Attempt #2

To new pieces of scrap, cleaned up with the SS wire brush...
P1030961.jpg


Welded up, a little better anyway...
P1030962.jpg


Snapped with minimal pressure...
P1030964.jpg
 

jasoutside

Supreme Mariner
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Messages
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Re: 1976 22' Starcraft Islander Rebuild

Attempt #3

I decided to give it a little bit of a gap in hopes that the weld would take a bit better...
P1030965.jpg


Welded that one up, garbage pretty much...
P1030966.jpg


Snapped that one easy enough too.
 

jasoutside

Supreme Mariner
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Dec 20, 2009
Messages
13,269
Re: 1976 22' Starcraft Islander Rebuild

Attempt #4

I clamped them together like yo. The weld laid down a lot nicer on this setup. Looked nicer anyway...
P1030967.jpg


The weld held a little better too but with just a bit of leverage snapped right apart...
P1030968.jpg


So hmmm...

One thing is for sure, that stuff wants to flow with gravity. I think a flat weld is likely the only way it will work. It flows basically the same as pipe solder.

I dunno, not all that impressed I suppose. The strength stats that they are providing say tens of thousands of lbs. I think I put about 8 lbs, at the most. I may give it a few more tries to see what I can accomplish.

Their info does say satisfaction guaranteed, so that helps the cause.
 

v8mgbal

Petty Officer 1st Class
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Jul 14, 2010
Messages
309
Re: 1976 22' Starcraft Islander Rebuild

Hey Jas I am looking at your pictures and trying to figure out if you are trying to weld two pieces of steel together or is it aluminum. if its steel I don't think that will work will it as I thought it was only for aluminum:confused:
 
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