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  #1  
Old July 24th, 2004, 02:02 AM

Baron Munchausen Baron Munchausen is offline
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Default Re: Homemade incinerator beam!

Bah...

A giant Fresnel Lens will do things like this, and more.

http://slashdot.org/articles/04/05/21/1936210.shtml

http://www-personal.umich.edu/~bclee/lens.html

http://giant-fresnel-lens-for-sale.p...om/index.shtml
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  #2  
Old July 24th, 2004, 02:21 AM

Raging Deadstar Raging Deadstar is offline
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Default Re: Homemade incinerator beam!

Quote:
Originally posted by Suicide Junkie:
It has nothing to do with Poker.
Indeed it does, just send those photos to your opponents and i'm sure they'll surrender.

But thats pretty impressive considering it's home parts and stuff.
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  #3  
Old July 24th, 2004, 02:26 AM
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Suicide Junkie Suicide Junkie is offline
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Default Re: Homemade incinerator beam!

Quote:
Originally posted by Baron Munchausen:
Bah...
A giant Fresnel Lens will do things like this, and more.
...
I do have a fresnel lens, but its more trouble and the focal length on it is too short. (Its off a busted overhead projector, so about 30cm on a side, but the focal length is about 10cm)

These mirrors are cheaper too.
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  #4  
Old July 24th, 2004, 05:28 AM
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narf poit chez BOOM narf poit chez BOOM is offline
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Default Re: Homemade incinerator beam!

Ok, given all this, why hasn't anybody tried to generate steam electric power from sunlight?
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Old July 24th, 2004, 05:53 AM

Phoenix-D Phoenix-D is offline
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Default Re: Homemade incinerator beam!

Quote:
Originally posted by narf poit chez BOOM:
Ok, given all this, why hasn't anybody tried to generate steam electric power from sunlight?
We have. The problem is to generate a significant amount of power you need a lot of sunlight to make a lot of steam. It gets impractical after a while, and the mirrors difficult to maintain.
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Old July 24th, 2004, 11:57 AM
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Ragnarok-X Ragnarok-X is offline
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Default Re: Homemade incinerator beam!

could you please explain what exactly you did ? You just focused 4 small mirrors at a certain point yes ?
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  #7  
Old July 24th, 2004, 09:08 PM

kerensky kerensky is offline
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Default Re: Homemade incinerator beam!

Quote:
could you please explain what exactly you did ? You just focused 4 small mirrors at a certain point yes ?
This is exactly what appears to have happened, but if you have ever used a magnifying glass to burn things with, it is the same basic priciple. basically the focused sun energy burned a hole in the stick. Now to only implement this on a large scale...

[ July 24, 2004, 20:08: Message edited by: kerensky ]
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