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Unread postAuthor: beebs111 » Thu Aug 03, 2006 7:18 am

go to www.unitednuclear.com they have lead sheet and a plethora of other things :wink:
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in the upcoming presidential election, there will be several candidates who will be running, one of whom is Hillary Clinton. Now WAIT A SECOND!!! I though there was some sort of rule that prevented someone from serving more than two terms in office. Vote Against Hillary: Presidential Elections 08
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Unread postAuthor: boilingleadbath » Thu Aug 03, 2006 11:03 am

A laser is essentialy a specialty florecent light fixture when it comes to radiation.

Just make sure the beam doesn't bounce off any shiney surface and blind you... especialy a hazard with the invisiable CO2 beam.

You might think about projecting a visiable laser beam parrelel to (and slightly above) the infra red beam.
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Unread postAuthor: singularity » Thu Aug 03, 2006 1:23 pm

FiveseveN wrote: and you can use a plexiglass panel to block infrared


you sure thats no some specail treated glass, i have a hard time believing its mormal plexiglass
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

upcoming projects... finalized clip fed BBMG and ball point pen sniper
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Unread postAuthor: FiveseveN » Thu Aug 03, 2006 3:12 pm

For Class 3 & 4 lasers, the beam path should be terminated with a highly absorbent, non-reflecting backstop. Caution should be used because metal surfaces that appear dull can cause specular reflections of infrared radiations. In addition, for Class 4 lasers, the beam path should be terminated by a fire resistant backstop such as firebrick. The backstop should be inspected periodically for degradation. The beam and target area should be shielded with infrared absorbing materials, such as lucite or plexiglass, to minimize reflections from Class 3b or Class 4 lasers.
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Unread postAuthor: Mihlrad » Thu Aug 03, 2006 4:39 pm

Since reading this topic, i have decided i want to buy a green laser... is a green laser legal in the US?
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Unread postAuthor: boilingleadbath » Thu Aug 03, 2006 4:43 pm

Yes, a green laser is legal in the US.
They are available on E-bay for 40$ or so.
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Unread postAuthor: singularity » Thu Aug 03, 2006 5:40 pm

a 100mW laseer can light a match, but most of those are really expensive, theres some powerful lasers pionters <a href="http://wickedlasers.com/">here</a>, theres also some videos of people lighting matches and poping ballons with them
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

upcoming projects... finalized clip fed BBMG and ball point pen sniper
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Unread postAuthor: Mihlrad » Fri Aug 04, 2006 4:05 pm

I bought a 50mw laser on ebay for 80 dollars. Any idea if that can pop a balloon? I doubt it can light a match but balloon maybe?
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