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 Post subject: G-Flex repair
PostPosted: Wed Feb 04, 2015 6:02 pm 
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Site Rank - Captain

Joined: Fri Nov 15, 2013 7:18 am
Posts: 46
When I bought my Wave I knew that there were some cracks in the hulls. The boat lived a hard life on Lake Tahoe and the hulls showed it with cracks at the front cross bar. I did not know how bad the cracks were as they will filled with caulk, but they did not look bad and the asking price was more than reasonable.
I sailed the Wave for 6 months and I noticed the cracks were growing, so I was time to figure out the repair. Before I bought the boat I knew that it could not be plastic welded, but I had read about G-Flex and it's supposed miracle fix for plastics.

I bought the un-thickened G-Flex along with some silica thickener and went to work;

My starting point:
Image

I removed the caulking, cleaned the crack with adhesive and silicone remover, feathered the edges, drilled the ends and flame treated the surface:
Image

I mixed the G-Flex and filled the cracks. Unfortunately I could not prep the inside of the boat very well, so I only filled the crack from the outside. I built it up more than the picture shows:
Image

I left the G-Flex unsanded and sprayed it with Krylon for palstic. Sorry no picture.

I also used the G-Flex to fix the surface cracks on the comptip. I filled the pin hole that is in this pic:
Image

I have sailed the boat 3 times since the repair and the G-Flex seem to be holding and there are no signs of the cracks.

I am hard on the boat:
I gotta figure out how to add a video from photobucket. stay tuned
http://vid13.photobucket.com/albums/a27 ... hpole1.mp4


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 Post subject: Re: G-Flex repair
PostPosted: Fri Feb 06, 2015 3:55 pm 
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Joined: Fri Oct 24, 2014 1:30 pm
Posts: 25
Location: Loveland, CO
Cool.
Let us know how it holds up long term.

Jim


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 Post subject: Re: G-Flex repair
PostPosted: Tue Feb 17, 2015 10:02 am 
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Joined: Tue Feb 28, 2006 10:31 pm
Posts: 130
Off topic heads up here. Hobie Wave racing is heating up in the desert SW. see hobiedivision2.com for schedule.


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 Post subject: Re: G-Flex repair
PostPosted: Wed Mar 11, 2015 8:08 pm 
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Site Rank - Deck Hand

Joined: Fri Jun 12, 2009 1:31 pm
Posts: 1
Did he use West System 406 silica thickener? What is the best silica thickener to use?
I am going to fix a Getaway.


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 Post subject: Re: G-Flex repair
PostPosted: Sat Mar 14, 2015 12:58 pm 
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Joined: Fri Nov 15, 2013 7:18 am
Posts: 46
yes, I did use some of the silica thickener. So far so good on the repair. I've sailed it 1/2 dozen times or more and that included a turtle capsize in 25mph. I dont see any signs of the cracks reappearing. I also used krylon fusion paint to paint over the g-Flex. if you have nut allergies be warned that the g-flex contains cashews


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 Post subject: Re: G-Flex repair
PostPosted: Mon Mar 16, 2015 1:48 pm 
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Joined: Tue Feb 28, 2006 10:31 pm
Posts: 130
Thanks for the update on G-Flex performance as it is less expensive than DP 8020. Got a few repairs on the Wave to take care of as well. Keep us posted.


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