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Windshield Repair Kits - do they work well?
On Tue, 5 Jun 2007, DeanB wrote:
> Are you cooling the glass when you drill? Adding oil or water to > lubricate? No, in my experience it's not necessary. Of course it generates some heat, but you can touch the glass immediately after lifting the tool. I use a medium speed, and don't press hard, let the RPM's do the work. A grindstone isn't made to go straight in like a drill bit, so you have to wobble it a little, and I find it best to hold it at just a bit of an angle. It'll take a few minutes to get through the glass. -Dan |
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#12
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Windshield Repair Kits - do they work well?
DeanB wrote:
> On Jun 5, 12:31 am, Dan Youngquist > wrote: >> On Mon, 4 Jun 2007, Dean wrote: >>> You are not using a tungsten carbide glass drill (spade shaped)? >> No, a silicon carbide stone. I've never tried tungsten carbide, so I >> can't say how it compares, but silicon carbide is what Dremel recommends >> for glass. I use this one, because it's the smallest diameter Dremel >> makes:http://www.dremel.com/en-us/attachme.../attachment-ac... >> >> -Dan > > Are you cooling the glass when you drill? Adding oil or water to > lubricate? > you don't want to do that if you want the sealant to stick! |
#13
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Windshield Repair Kits - do they work well?
On Jun 1, 6:05 pm, wrote:
> I have a small impact on my on my windshield from a rock the size of a > pencil eraser along with a hairline crack about 1/4 inch long. I want > to have the windshield repaired so the crack doesnt grow. Most places > want $50 to repair it. My car is old and I plan to get rid of it in > the fall. > I noticed that Permatex and Loctite make repair kits for about $10 > that include a syringe and a crazy-glue like adhesive that supposedly > fills the crack. > Can anyone attest to the effectiveness of these kits and the > difficulty in using them properly? > Thanks Just a pinole with a bullseye, work pretty good. with a crack; maybe not so good. you use the syringe to suck the air out of the bullseye, then to fill it with crazy glue. if you can get rid of all the air, the crazy glue almost matches the refractive index and it's almost invisible. the original pinhole remains. with a crack, it has to be small enough that you can effectively get all the air out without more leaking in through the edges under the suction cup. then if you pass that hurdle, the crazy glue doesn't really disguise a crack the way it disguises the bullseye under the glass in the center of the windshield. then, it doesn't have enough strength to really keep the crack from propagating over time as they so often like to do. |
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