[Jewelry making - Article 00544] - Re: [Orchid] Solar burnout

[patpruitt]

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>     Do you know if anyone has done a solar burnout with magnifiying
>     glasses and maybe prisims and mirrors? 

    Its definatley do-able, buy a huge inexpensive fresnel lens to
    concentrate the beam, the trick is to build a mechanism to track the
    sun keeping the lens focused on the oven for *x* amount of time, if
    you need that. Heck, you could probably build an effecient steam
    dewaxer this way too. Here's a link to give you an idea of what Im
    talking about. 

    http://www-personal.umich.edu/~bclee/lens.html#new
    http://www.xenotechresearch.com/solfurn1.htm

    Or you could build a small parabolic mirror array to concentrate the
    light as well... 

    http://www.solardeathray.com - funny site 

    Either way, the means to generate extreme temperatures inexpensively
    are out there. Controlling that power, thats another question. This
    brings up a safety issue, using this type of solar concentrator
    requires appropriate gear, read up and use caution. 

P AT 
www.patpruitt.com
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