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Discussion Forum

Fiberglass work

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Ludwig

04-25-2002 08:32:55




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I know this isn't a tractor question but I don't know where else to ask it.
I've got an old Ski-doo snowmobile which has a fiberglass hood that has all sorts of little spider cracks through it. I wondered if maybe I could take my dremel too with a wire wheel and open the cracks a little and then use bondo to fill in the cracks. Then I'd paint the whole thing, apply decals and be done.
I'm worried that the bondo wouldn't stick well enough. My other idea was to use fiberglass jelly which I've had good luck with in the past on cars.
Any ideas?

Thanks is advance.

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Jerry B

04-26-2002 06:32:40




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 Re: Fiberglass work in reply to Ludwig, 04-25-2002 08:32:55  
Bondo will work and stick to fiberglass just fine. It is a lot more flexable than the fiberglass resin used to build the hood. It should hold up well BUT you have to ask yourself what caused the spider web cracks in the first place. You may find out that the fiberglass will just crack next to the bondo and you are right back where you started.

I have used bondo to repair header panels and other fiberglass items that are not subjected to as much vibration as your snow mobile is going to dish out.

One thing you might try is to make a fiberglass "patch" on the under side of the cracked area to reinforce the repaired area on the surface. May save you a lot of time and trouble down the road. ....uh I mean trail.

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Ludwig

04-26-2002 09:47:19




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 Re: Re: Fiberglass work in reply to Jerry B, 04-26-2002 06:32:40  
Thanks Jerry, you bring up a good point, but....
This is a '70 and the cracking like it has is not at all uncommon in this vintage of sled. They switch to poly carbonite hoods and rubber hood mounts to prevent this very problem.
The biggest cracks are maybe 1/8" wide and deep and maybe 4-5" long. This is what I would call a very good hood for the vintage.

I think I'm decided, I'm actually going to try using fiberglass jelly which I've had good luck in the past, fixing the floor on my wife's car (go figure..)
Now I just need to find some rattlecan paint that matches ski-doo yellow reasonably well.

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