[EMS Discuss] Solar Foundry

Rick Osgood EMAIL HIDDEN
Mon Sep 9 10:44:20 PDT 2013


I also have a small one 8.5" x 11" I got from an office supply store when I
used to live in Phoenix.  They sell them as Page Magnifiers.  Even that
tiny one was insanely powerful under the summertime Phoenix sun.  I had to
use welding goggles when using it.


On Mon, Sep 9, 2013 at 10:38 AM, Bob Miller <EMAIL HIDDEN> wrote:

> I have a fresnel lens in my closet.  It is somewhat smaller than the
> one in the video.  I would happily donate it to a solar foundry
> project.
>
> On Mon, Sep 9, 2013 at 9:13 AM, Rick Osgood <EMAIL HIDDEN>
> wrote:
> > I'm really interested in doing a solar project.  I'm not sure I have the
> > spare cycles (or cash) right now trying to finish the vacuum former but
> I'll
> > do what I can.  This sounds fun.
> >
> >
> > On Sun, Sep 8, 2013 at 9:08 PM, Mark Danburg-Wyld <EMAIL HIDDEN
> >
> > wrote:
> >>
> >> Also:
> http://www.dezeen.com/2011/06/28/the-solar-sinter-by-markus-kayser/
> >>
> >> What a world.
> >>
> >>
> >> On Sun, Sep 8, 2013 at 9:07 PM, Mark Danburg-Wyld <
> EMAIL HIDDEN>
> >> wrote:
> >>>
> >>> My guess is we would need full sunlight to get much heat. Maybe it will
> >>> still get hot enough to use as an oven though, even through clouds.
> >>>
> >>> Sam, good thought on scrounging the fresnel lens from an old tv - just
> >>> checked craigslist and there's several cheap-to-free ones posted. All
> I need
> >>> now is a truck and some free time... Apparently there's both "spot" and
> >>> "linear" versions, and the "spot" version gets much much hotter.
> >>>
> >>> I doubt putting another object in the current space is a good idea,
> >>> however. Especially one that starts with a fairly large lens that has
> to be
> >>> rolled out into full sunlight to get really exciting results. Maybe
> this one
> >>> should go on the back burner for a few months until we're in a larger
> space
> >>> - time the build to finish when the clouds break next year?
> >>>
> >>>
> >>> On Sun, Sep 8, 2013 at 8:01 PM, Weston Turner <EMAIL HIDDEN>
> >>> wrote:
> >>>>
> >>>> Do you think that even in the winter months it might produce enough
> heat
> >>>> to use it as a solar oven? If you could cook with it even in overcast
> >>>> whether, it would be a cool demonstration of how much solar energy
> makes it
> >>>> through the clouds even in the rainy season.
> >>>>
> >>>> Just a thought as to what it might be useful for the other 8-9 months
> of
> >>>> the year.
> >>>>
> >>>> Weston
> >>>>
> >>>> On Sep 8, 2013, at 7:51 PM, Sam Foster <EMAIL HIDDEN> wrote:
> >>>>
> >>>> Oh I've seen this video. We need a large fresnel lens - they come from
> >>>> large old rear projection tvs. In other words with some judicious
> >>>> scavenging, the whole build shouldn't cost more than a bit of lumber
> and
> >>>> fixings.
> >>>>
> >>>> On 9/8/2013 7:27 PM, Mark Danburg-Wyld wrote:
> >>>>
> >>>> Step 1: Watch this video: http://www.youtube.com/watch?v=drE54ctrHBY
> >>>> Step B: Let me know if you'd be interested in building a solar foundry
> >>>> for EMS
> >>>> ???
> >>>> Step 4: Profit!
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Discuss mailing list
> >>>> EMAIL HIDDEN
> >>>>
> >>>>
> http://eugenemakerspace.com/mailman/listinfo/com.eugenemakerspace.discuss
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Discuss mailing list
> >>>> EMAIL HIDDEN
> >>>>
> >>>>
> http://eugenemakerspace.com/mailman/listinfo/com.eugenemakerspace.discuss
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Discuss mailing list
> >>>> EMAIL HIDDEN
> >>>>
> >>>>
> http://eugenemakerspace.com/mailman/listinfo/com.eugenemakerspace.discuss
> >>>>
> >>>
> >>
> >>
> >> _______________________________________________
> >> Discuss mailing list
> >> EMAIL HIDDEN
> >>
> http://eugenemakerspace.com/mailman/listinfo/com.eugenemakerspace.discuss
> >>
> >
> >
> > _______________________________________________
> > Discuss mailing list
> > EMAIL HIDDEN
> >
> http://eugenemakerspace.com/mailman/listinfo/com.eugenemakerspace.discuss
> >
>
>
>
> --
> Bob Miller                              K<bob>
>                                         EMAIL HIDDEN
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://eugenemakerspace.com/pipermail/com.eugenemakerspace.discuss/attachments/20130909/122006d5/attachment.html>


More information about the Discuss mailing list