Cracking in Windscreen


Information and questions on GL1500 Goldwings (1988-2000)
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gbearth
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Goldwing 1800 GL

Cracking in Windscreen

Postby gbearth » Thu Sep 25, 2014 8:55 am



Hi
Has anyone out there had a stress crack on your windscreen and managed to repair the same. I think the only way is to drill a small hole say 1mm at the end of the crack and then fill the hole with some sort of clear filler...but I bow to others greater experience

Thanks
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Sempai
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Re: Cracking in Windscreen

Postby Sempai » Thu Sep 25, 2014 9:23 am

Windshield repair shops use some sorta apparatus to create a vacuum within the crack that sucks in the resin they're using to fill it. I'm wondering if a shop of that nature could help you?
Keep the rubber side down.

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Re: Cracking in Windscreen

Postby wingpilot08 » Thu Sep 25, 2014 9:33 am

gbearth wrote:Hi
Has anyone out there had a stress crack on your windscreen and managed to repair the same. I think the only way is to drill a small hole say 1mm at the end of the crack and then fill the hole with some sort of clear filler...but I bow to others greater experience

Thanks

You have done about all you can do...it will stop the crack from expanding....
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Re: Cracking in Windscreen

Postby Wingsconsin » Thu Sep 25, 2014 11:58 am

..Yep ...Drill the small hole to prevent the crack from traveling further.
I have never filled a crack -- on the one I saw (a friends bike) he replaced the windscreen when he got home...
But we did drill the hole and it stopped the crack so we could finish the trip...about 1000 miles later ...
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Re: Cracking in Windscreen

Postby WingAdmin » Fri Sep 26, 2014 10:45 am

Stop drill the hole (this is the same method used to fix cracks on non-critical airplane parts) but don't fill it. The hole needs to be left open to distribute the forces and keep the crack from propagating.

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gbearth
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Re: Cracking in Windscreen

Postby gbearth » Fri Sep 26, 2014 3:48 pm

WingAdmin wrote:Stop drill the hole (this is the same method used to fix cracks on non-critical airplane parts) but don't fill it. The hole needs to be left open to distribute the forces and keep the crack from propagating.


Hi Wingman
When you say "stop drill the hole" what does this mean, is it do not drill right through? please advise :?:

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Wingsconsin
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Re: Cracking in Windscreen

Postby Wingsconsin » Fri Sep 26, 2014 3:54 pm

I think he means to stop the cracking - DO (yes) drill the hole - Small - right at the end of the crack...
The circular shape spreads the stress loads into the material surrounding the hole and prevents further cracking...
My experience has been positive doing this.
I used a Dremel tool and a very small bit to slowly drill the hole...high speed could melt the material and create a mess...
Just my thoughts having done this one time on a buddys 'Wing...
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Re: Cracking in Windscreen

Postby WingAdmin » Sat Sep 27, 2014 8:53 am

gbearth wrote:
WingAdmin wrote:Stop drill the hole (this is the same method used to fix cracks on non-critical airplane parts) but don't fill it. The hole needs to be left open to distribute the forces and keep the crack from propagating.


Hi Wingman
When you say "stop drill the hole" what does this mean, is it do not drill right through? please advise :?:


Sorry, that's the term for drilling a hole at the end of a crack to distribute the stress load and prevent the crack from migrating any further.




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