my first time replacing a transom were to start

Chris's CVX16

Seaman Apprentice
Joined
Feb 25, 2010
Messages
41
Re: my first time replacing a transom were to start

When I did mine (a few weeks ago) I scouted out which holes I was going to reuse and ran screws in them with wood backers on the outside so I didn't mar up the exterior glass. The bottom drain hole is an example.

One thing I would recommend is make sure to not just dry fit the wood but dry fit the glass you are laying as well. On the vertical surfaces putting the resin on the wood first really helps get the 1708 to lay good and flat so you can wet it out better and keep it flat. Also mix up a maximum of a quart of resin at a time. There is really no way you are going to properly spread out more than that before it starts kicking off. Get good quality resin. Don't use waxed at all.

I just used 7 gallons of resin, 12 yards of 1708 biax, and nearly 6 yards of CSM for my floor and transom. If I was also doing 2 stringers and a keel I think I'd add in a good 3 yards more 1708 and at least 2 gallons of resin. It is better to be way over on materials than be short and have to wait to get the supplies from your UPS guy.
 

wavebuster1

Seaman
Joined
Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

  1. is there any need for concern or how do i fix this .it looks like a coat of resin is what has cracked . the crack runs the the entire flat portion of the middle stringer location i have checked the entire exterior of the boat and not so much as the slightst sign of a crack. and due to an recent experiment i know the bottom is water tite
    1306529458.jpg
 

Woodonglass

Supreme Mariner
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Dec 29, 2009
Messages
25,929
Re: my first time replacing a transom were to start

Nope nada to worry about. Grind it all out and bed your new stringers. It's fine.
 

wavebuster1

Seaman
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Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

when i took this one i looked closer and what ever is cracked is about 1/4 inch thick at most and is semi clear in color. i have no idea how to change the size of the pic but schroll down the pic is taller.
052711173433.jpg
 

wavebuster1

Seaman
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Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

thanks wood i was really worried . i know this is silly not to know but what is bedding and how do i do it
 

Kotte

Petty Officer 2nd Class
Joined
Aug 16, 2009
Messages
107
Re: my first time replacing a transom were to start

I am also a rookie regarding glass work. I guess wood is means by bedding, to set your stringers and bulkheads in resin, filler, chopped fiber mix with a consistency of peanut butter. As far as I know you need to do so so you don't create any hard spots at the hull. The bedding should be between 1/4" to 1/2" thick. But like I said before I never did glass work before but I am close to learn how to do it.
 

wavebuster1

Seaman
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Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

ok so what do i do just cut the old bed out and fill the empty space with resin and do i let it dry or do i set my prepared stringer in the uncured resin
 

rickryder

Commander
Joined
Jun 24, 2010
Messages
2,722
Re: my first time replacing a transom were to start

Your going to make a PB mixture out of resin cabosil and milled 1/4 glass fibers and set the new stringer in the wet PB.... check the photos and descriptions on my resto thread ;)
 

Woodonglass

Supreme Mariner
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Dec 29, 2009
Messages
25,929
Re: my first time replacing a transom were to start

You're gunna get a 4 1/2 inch grinder and grind all that crap off the hull, then like Kotte and RickRyder said you'll bed your new stringers in Peanut butter or PL Adhesive.

Here's a drawing that illustrates the procedure.

(click the pic to enlarge)
StringerLayupAndInstallation.JPG
 

wavebuster1

Seaman
Joined
Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

ahh ok thanx is pL the name of the product i need to order sorry for all the ?s but i wanna make sure i have all the right stuff so i dont mess this up
 

wavebuster1

Seaman
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Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

i hit i low spot in the bed and went strait thru the hull :facepalm: is this repairable and is there an easier way th remove the old bed
1306799031.jpg
 

Woodonglass

Supreme Mariner
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Messages
25,929
Re: my first time replacing a transom were to start

If you use the PL, and I recommend it, use 1/4" spacers to hold the stringer off the hull and then squirt the PL under the stringer. Use a LARGE plastic spoon dipped in Paint thinner to COVE the PL to the stringer. Let it cure for 48 to 72 hours, then remove the spacers. Follow the instructions in the drawing for the rest. Get a back up pad and 34 grit sanding discs for that grinder. Harbor Freight has em.
No problem. Put some duct tape on the outside to keep the resin from oozing out and then mix up some thickened resin and smear it over it on the inside. then a layer of 1.5 oz mat and a layer of 1708 cloth. You can fix the outside later.
image_7180.jpg
image_3782.jpg
 

Kotte

Petty Officer 2nd Class
Joined
Aug 16, 2009
Messages
107
Re: my first time replacing a transom were to start

i hit i low spot in the bed and went strait thru the hull :facepalm: is this repairable and is there an easier way th remove the old bed
1306799031.jpg

I feel your pain. I cut through my hull and could kick my a** for that. I did not fix it yet but the glass pros here will guide you through that.
 

wavebuster1

Seaman
Joined
Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

kotte. wood posted a fix for the hole 1 post before yours i think its #75
 

wavebuster1

Seaman
Joined
Apr 19, 2011
Messages
71
Re: my first time replacing a transom were to start

sorry to anyone still following this thread
my laptop had a slight problem involving my son and pop.
 
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