Alternative hull reinforcement?

[jetskier79]

i dont think more epoxy will hurt the strength. If anything add alittle bit more strength. Not alot but certainly not bring it down at all. I could be wrong but that just doesnt make sense to me.

Too much resin absolutely hurts the overall strength. Resin is does NOT provide strength by it's self. Excessive resin is prone to cracking.

Ross told me about this boat builders he knew, and they measure precise volumes of resin for a given square footage of cloth/matte. Fiberglass should have enough resin to fully saturate it, and nothing more.

Extra resin cracks, and will more than likely cause your layers or glass to float....which is bad.

 

[Matt_E]

And it adds weight without strength.

And costs money.

 

[Fathom]

Too much resin absolutely hurts the overall strength. Resin is does NOT provide strength by it's self. Excessive resin is prone to cracking.


Extra resin cracks, and will more than likely cause your layers or glass to float....which is bad.

I just recently worked on my wife's ski and in the tray, I found all kinds of issues with a repair done by the previous owner. Let me tell you that too much resin is prone to cracking and will de-laminate any glass it is applies to. I was able to remove the entire piece in one shot. The entire corner was cracked where the resin pooled.

 

[Rickster]

Asuming they even used Epoxy resin... I hate people that fix things half assed.:banghead:

 

[Fathom]

Asuming they even used Epoxy resin... I hate people that fix things half assed.:banghead:

His half-assed repair caused me to have to defoam. It's all good now but I had no idea that when I went to do a simple returf that I would end up having to do all that extra stuff.:skull2:

 

[Rickster]

His half-assed repair caused me to have to defoam. It's all good now but I had no idea that when I went to do a simple returf that I would end up having to do all that extra stuff.:skull2:

I have about 50 hours in the rebuild of my SN, due to the same BS repairs.:banghead::banghead::banghead:

Back on topic.:biggthumpup:

 

[Idok]

I just recently worked on my wife's ski and in the tray, I found all kinds of issues with a repair done by the previous owner. Let me tell you that too much resin is prone to cracking and will de-laminate any glass it is applies to. I was able to remove the entire piece in one shot. The entire corner was cracked where the resin pooled.

was the gelcoat ground off where tha stuff was?

 

[jetskier79]

I just recently worked on my wife's ski and in the tray, I found all kinds of issues with a repair done by the previous owner. Let me tell you that too much resin is prone to cracking and will de-laminate any glass it is applies to. I was able to remove the entire piece in one shot. The entire corner was cracked where the resin pooled.

did someone say delamination? Bad repairs?

 

[wydopen]

did someone say delamination? Bad repairs?

nice^^^

 

[DAG]

WOHHh, thats gotta be the biggest hole i'v seen "repaired" ..

 

[meatball]

everyone keeps saying that too much epoxy only adds weight, and while thats true, a lot will take away from the strength, and can potentially hurt it a LOT if you lay it up incorrectly. If you use a crap load of epoxy and dont squegee or roll the fiberglass with a roller, the piece will be floating on top of the resin and not as closely adhered to the hull. With this thin layer of epoxy in between, delamination is much more prone to occuring.

 

[jetskier79]

everyone keeps saying that too much epoxy only adds weight, and while thats true, a lot will take away from the strength, and can potentially hurt it a LOT if you lay it up incorrectly. If you use a crap load of epoxy and dont squegee or roll the fiberglass with a roller, the piece will be floating on top of the resin and not as closely adhered to the hull. With this thin layer of epoxy in between, delamination is much more prone to occuring.

I believe I said that :cool2:

WOHHh, thats gotta be the biggest hole i'v seen "repaired" ..

Yeah, I wasn't too happy with the situation. I bought this hull knowing that it had been repaired, but I had no idea how bad. I didn't even fix it 100% right either. I was on a deadline, and the delaminated glass I pulled out, the more I found. Most of the bottom of the boat was reshaped....I wasn't down for that chore.

 

[djkorn1]

damn weak yamaha hulls....:biggrin:

 

[meatball]

I believe I said that :cool2:

Well then I guess I owe you an apology :biggthumpup:

 

[Fathom]

was the gelcoat ground off where tha stuff was?

Oddly enough, it was sanded down very well. Most of the gelcoat was removed and where not removed, it was sanded. It was obvious to me that the excessive resin caused the whole thing to be too brittle and the glass just never made it to the surface, just floated in a pond.:frown:

 

[Aquaholic]

Ribbed for pleasure

Here's the latest repair. I took some 1/2" strips of aluminum and epoxied them to the hull. I also placed a strip right under the hood seal lip. Then, I glassed over them with an additional layer of the carbon Kevlar. I was careful to not overdo it with the epoxy resin this time. I covered the area with wax paper and inserted a bicycle innertube. When inflated, it pressed the matt against the ribs while it setup. The repair came out pretty solid. It held up well on yesterday's ride.

Let's see how it holds the rest of the summer.

 

[jetskier79]

I'm not really sure the relevance of the pasty girl with big boobs is.....but I like.