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
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.