Site glass again..


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virgilmobile
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Site glass again..

Postby virgilmobile » Thu Oct 25, 2012 12:17 pm



You might remember this picture...
I replaced my leaking original site glass with a 1/8" piece of Plexiglas.....
Don't do this.......
It lasted 3 months.....the lens fractured and leaked worse than the original.
It seems that brake fluid deteriorated the structure of the Plexiglas and fractured it.
It didn't melt or dissolve it,the Plexiglas just crystallized and fell apart like broken safety glass.

I've sense cut a new site glass from a old clear helmet visor and glued it in.
I'm hoping the different material will hold.....I wonder if it's Lexan....I cut it out with tin snips.



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WingAdmin
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Re: Site glass again..

Postby WingAdmin » Thu Oct 25, 2012 1:58 pm

Why not try a piece of glass? Scribe a piece of safety glass to size, you can be pretty sure brake fluid won't bother that.

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virgilmobile
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Re: Site glass again..

Postby virgilmobile » Thu Oct 25, 2012 4:17 pm

That would be fun to try.
I even briefly thought about a marble. ;) maybe I'll look into Walmart craft center.
My wife is always bringing home some sparkle glass beads and stuff.
It wouldn't be the first time I used something of hers to fix my stuff. :D

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Sidcar
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Re: Site glass again..

Postby Sidcar » Fri Oct 26, 2012 4:24 am

Would using synthetic brake fluid help. I use it because if it leaks out it doesn't attack the paintwork.

Sid

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kwild
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Re: Site glass again..

Postby kwild » Fri Oct 26, 2012 8:26 am

A dime works nicely, of course the obvious...you can't see through it. :o
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Re: Site glass again..

Postby thrasherg » Fri Oct 26, 2012 1:27 pm

Not to play down all your hardwork, but there was a guy selling the site windows on ebay, made from mineral glass for about $4 each, I bought a couple for my RZ350 front brakes!! They worked great and 5 years later are still clear.. It might be worth just coughing up the $4 and be done.. :oops:

Gary

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Re: Site glass again..

Postby Mag » Sat Oct 27, 2012 8:06 pm

I need to do that, and what do you hold them in with? What type of glue, etc? (I hear yet ANOTHER project in my future!!!)

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virgilmobile
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Re: Site glass again..

Postby virgilmobile » Sun Oct 28, 2012 9:47 am

Well the 'Lexan' type material is worse.It's cracking after 4 days.
Next test.Aquarium beads.$1.97 at Walmart.Dime sized,clear and colored.
I'll post pictures,and I do use real JB Weld.

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littlebeaver
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Re: Site glass again..

Postby littlebeaver » Tue Nov 06, 2012 12:26 am

Virgil can you fit a thicker piece of lexan in there, like 1/4" or is that too thick, I got a piece if you need some, I use it for my timing site caps or inspection caps...Just say the word and I will send you some.. :D Oh and it is Lexan...

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virgilmobile
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Re: Site glass again..

Postby virgilmobile » Tue Nov 06, 2012 7:45 am

I'll post pictures later today as I get them compiled.I gave up on pastics as it seems brake fluid isn't friendly to anything I tried.
I ended up using glass.A local find and my favorite....cheep :)




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