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Old 11-13-2010, 11:42 PM #49
Stephen j gilman
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Default Re: Real question about burning!

I don't have any goggles!!! Ahhh! I know it was able to blind you if the beam gets into your eyes evin if it's a reflection! And since the glass is going to reflect like heck, I put it in a Woden box! The laser will be mounted on the top of the box pointing down on the inside.

I was only going to need to focus it ONCE to burn upclose... But I have no idea how to do that!!! I was going to where two pairs of sunglasses, or if it's real bright still, I'm going to use welding goggles!

What's the best way to focus the beam to burn an inch away?


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Old 11-13-2010, 11:51 PM #50
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Default Re: Real question about burning!

Quote:
What's the best way to focus the beam to burn an inch away?
You can use smoke. Get a ruler and some smoke, point the laser away from you along the ruler and apply smoke while adjusting the focus.
The beam will be clearly visible in the smoke and let you focus it to narrowest beam at correct distance.
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Old 11-13-2010, 11:56 PM #51
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Default Re: Real question about burning!

Sweet thanks! That's realy good info! Lol, damn how am I gonna get some smoke? Any ideas? Let's hear how you make smoke. Lol just kidding!
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Old 12-15-2010, 11:24 PM #52
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Default Re: Real question about burning!

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Originally Posted by Stephen j gilman View Post
Sweet thanks! That's realy good info! Lol, damn how am I gonna get some smoke? Any ideas? Let's hear how you make smoke. Lol just kidding!
Smoke machines are cheap.. just bought one myself. $30 online or $40 at your local Guitar Center or equivalent. I bought one at GC here in TX but I'm gonna order some more juice online for cheap. The .5L that comes w/ the machine will last for quite a while too.
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Old 12-17-2010, 10:25 PM #53
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Default Re: Real question about burning!

Didn't someone post up about heating up glycerin to make fog?
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Old 12-17-2010, 10:39 PM #54
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Default Re: Real question about burning!

^^ I did this recently:

How to Make Fog Without a Fog Machine For better beam viewing. "Cheap & Easy for All"

I used Glycerin but when using it in a fog machine you need to water it down a bit because its so thick it will end up clogging up your fog machine over time. I would say to do 80% Glycerin and 20% water.
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