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Author Topic:   Repair stripped screw holes
WantaWhale posted 11-24-2001 06:46 PM ET (US)   Profile for WantaWhale   Send Email to WantaWhale  
I have 3 stripped screw holes I need to repair. One is on the hull itself-One of the screws for the Bimini is stripped out.


The other 2 are on the wooden seatback. I have a gas/water separator and both screws are starting to strip. I used plain old epoxy for one screw as a temp measure and it seems to be holding. But I am not sure this is the best way. I have epoxy, marine tex, 5200, and liquid nails , just not sure which one I should use .

Thanks,
Fletch 1996 11 SuperSport

tlynch posted 11-24-2001 07:10 PM ET (US)     Profile for tlynch  Send Email to tlynch     
Here are the posts in the forum that relate to screws:

http://continuouswave.com/ubb/Forum3/HTML/001172.html

http://continuouswave.com/ubb/Forum3/HTML/000959.html

http://continuouswave.com/ubb/Forum3/HTML/000863.html

http://continuouswave.com/ubb/Forum3/HTML/001071.html

http://continuouswave.com/ubb/Forum3/HTML/001024.html

http://continuouswave.com/ubb/Forum3/HTML/000053.html

http://continuouswave.com/ubb/Forum3/HTML/000574.html

http://continuouswave.com/ubb/Forum3/HTML/000485.html

http://continuouswave.com/ubb/Forum3/HTML/000413.html

http://continuouswave.com/ubb/Forum3/HTML/000249.html


Todd

kingfish posted 11-24-2001 08:44 PM ET (US)     Profile for kingfish  Send Email to kingfish     
Todd-

Nice job!

kingfish

csj posted 11-24-2001 10:21 PM ET (US)     Profile for csj  Send Email to csj     
well i tried 5200 and it's worthless. I used a two part epoxy that comes in two small tubes, sold at marine stores. I can't think of the name but i 1st filled the hole, then let it dry, and the screw was as secure as day one.
WantaWhale posted 11-24-2001 10:46 PM ET (US)     Profile for WantaWhale  Send Email to WantaWhale     
Thanks Todd and CSJ. Will read them all.

ttl,
Fletch (N4SZO)

jimh posted 11-25-2001 01:04 AM ET (US)     Profile for jimh  Send Email to jimh     
I am fond of WEST SYSTEM Epoxy. Recently they had an application report concerning the use of expoxy to bed screws.

There was a large windmill electrical generating device which used wooden windmill blades (about 25-feet long). The blades were secured to the hub using bolts that were bedded with epoxy.

A high wind condition was forecast, which usually meant the blades were feathered and secured to prevent rotation. Unfortunately, the system failed to work properly and the blades went into a free-wheeling situation. As the wind velocity increased, the blades began to rotate faster and faster, with the blade tips soon going so fast they were almost supersonic. As the wind built to very high speeds (60 + MPH), the blades broke off the hub.

When the blades were recovered and examined, it was found that the they broke a few inches above the hub joint. All the bolts bedded in epoxy were still intact, but the material strength of the wood had been exceeded and it had broken away a few inches farther out on the blade.

After I read this I never had any worries about bedding some screws with WEST SYSTEM Epoxy.

--jimh

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