1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

The transom cap repair is really nice, I was getting ideas on how to do mine, I cut my top in a very similar manor, and played with idea's on how to support and glass it from underneath. Your solution is what I will do too. I planned to use the wood underneath and glass it all in, leaving the top for cosmetic mostly. After I do the bottom side with wood and glass, I will do One layer of CSM followed by a layer of 1708 on top finished with more CSM, then grind, fare, sand, prime and paint. Should be very strong once done. Thanks for putting the picture up, they helped me a bunch.

I'm glad i could help you out with that, nice to see someone benefiting from my Diy work! Yep, that should work great for you greenbush, thats the layup pattern i used. Make sure you grind a nice taper 2 inches out from either side of the cap fusion seam.

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hey guys i got another question, well remember how i covered the keel in 4 layers of 1.5oz csm? Well i am wondering if i should sand it smooth, or if i should put a skim coat of fairing compound over it and then sand that?

Thanks

 

[Woodonglass]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Sand first then fill any low spots with fairing material

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Alright, should i use 80 grit paper, and then 180 grit? Thanks Wood!

 

[jbcurt00]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hey guys i got another question, well remember how i covered the keel in 4 layers of 1.5oz csm? Well i am wondering if i should sand it smooth, or if i should put a skim coat of fairing compound over it and then sand that?
Thanks

To make fairing easier, sanding & feathering the edges of the CSM will make the fairing go quicker & smoother, IMHO.

 

[Woodonglass]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Use 80 to feather everything out and get the majority of it down. Then finish it off with 180. Mix up the fairing material to about mayonaise consistency and use a bondo spreader to smooth it out. Mix it @ about 1% so you'll have some working time. Let it cure for about 2 hours then use the 180 grit to smooth it all out. Quick wipe down with Acetone an she's ready for primer. That's how I'd do it. But Hey, I'm just an...

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Alright thanks you guys! Really appreciate the quick responses! I'll give it a good sanding and finish her off with 180, i like the idea of starting with the edges first, makes alot of sense. Lol, did you see my repair on the outside of the hull near a lapstreak? I said screw it and just put a filet on the lapstreak and glassed over it, its right on the bottom of the boat so no one will ever see it. Thanks again you guys

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hey i just started sanding my last years keel job(of when i was way less skilled) and noticed lots of air bubbles! I wish i could go back in time and kick my 21 year old *** and tell him to use a fin roller after such a layup, but that can never happen. So i am wondering what i should do about all these little air bubbles? I'd rather not sand them all the way down with my random orbital sander because that just thins the entire surrounding layup, should i use a dremel tool with a small cone grinder and grind each individual bubble out? Here is a picture: For now i am just going to sand it till it feels smooth with my hand, i'll wait for you're response until i go any further.

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

So what do you guys usually do about little air bubbles like that? how do you grind out each and every individual one?

 

[sphelps]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hmm , is like that down the whole length of the keel ? If only in a few places here and there I would not worry about the ones closest to the keel unless it was just a big bubble . The ones I would maybe do something with are the ones at the edges. Check for any delamination . Grind down and lay some more csm . This is just my very unprofessional take on it so take that for whatever it,s worth.
Hopefully someone with better knowledge will chime in ..Keep up the good work you will be ready for prime before ya know it !

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Yeah it is like that all the way up, had i only knew better...... But this is a very good life lesson, from now on i will never lay up fiberglass with air bubbles, it will just never happen. Gotta learn from mistakes i guess

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hey just incase you guys didnt see this picture i'm posting it again. I dont know what to do about these air bubbles, how should i deal with them? I had no idea i layed up the glass with so many, but can't really change that now.

 

[GT1000000]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

How many layers of glass are already there? How thick is the total layup including the original glass?

Remember, most of these tubs are not much more than an 1/8" thick from the factory...

Like I mentioned before...its gonna happen...you have probably still done a much better job on this than the factory ever did...unless you can convince yourself to grind it all down and re-do it, just lightly sand it, wipe with Acetone and add another layer of CSM or 1708 over it to help seal and strengthen...

The air bubbles are a concern if they are HUGE, thus affecting structural integrity, or if they are really close to the surface, over time, long time, they are susceptible to water intrusion if the water is left to sit on it, and if they are close to the surface of the visible, finished face, over time they may actually blister and pop...

That is the best info I can pass on...the rest is up to you...

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

There is a total of 4 layers of 1.5oz csm, however thick that is. The original layup including my glass is probobly well over an eigth of an inch thick. It does seem like most of the bubbles are on the last layer near the surface. Alright so if i lay another layer do i have to overlap it past last years layup? Thanks

 

[GT1000000]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

That extra layer is really just for your peace of mind...you can cover just the bubbly areas with it, or take it as far as you'd like...

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Sounds like i got alot of options in this whole ordeal, thanks GT1. I'll sand the whole thing to feeling smooth with my hand, and then decide weather or not i want to add more glass.

 

[GT1000000]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Just a thought, since you are going to sand it down smooth, you might find that the bubbles are so close to the surface that you open most of them up...IF, that happens, then your worries are gone...just mix up a batch of resin and cut a pieces of CSM...apply a wet coating of resin over the exposed bubbles to mostly fill them, wet your CSM and lay it down over them...
Let us know what you come up with...

 

[jbcurt00]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Sounds like a plan ^^^

If you decide to glass, might make some microballoon fairing filler, and squeegee it across the areas w/ any holes that got exposed. Only enough to fill the holes, not really fairing the hull. Then a layer of glass & resin over that.

 

[BoatgoatmfgVT]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

Hey guys, so i sanded most of the keel and was able to open most of the air bubbles. I'm going to go ahead and squeegee over the open bubble holes and then check for low spots. Then fill said low spots with little patches of csm. I am currently waiting on wax additive, once that arrives i'm going to be able to actually sand this without gumming up my paper and ruining paper and velcro sanding pads on orbital sander. So right now i am focused on getting this trailer all sorted out, i've wired the lights so now i need to install bunks to support the boat. The old bunks brackets were completely rusted out, so i need to get 6 new ones, this is what they look like Does anyone know where i can get brackets like that? I could probobly use something different, so long as it has the 90 degree angle and the slots for adjusting up and down. Thanks

 

[GT1000000]

Re: 1960's 13' MFG carefree Rebuild (complete noob, i know nothing about this!)

4199845]Does anyone know where i can get brackets like that?

You can start by looking here...Boat Trailer Parts & Accessories - iboats
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Or here...Trailer Hardware | Trailers + Trailer Parts | Northern Tool + Equipment