Marcia Selsor on sun 22 may 05
Harriet Brisson did experiments with solar kilns back in the "70s.
She had some success on a small scale. It is written up in Studio
Potter magazine old issues or in the book.
Marcia Selsor
On May 21, 2005, at 10:02 PM, Hank Murrow wrote:
> On May 21, 2005, at 3:35 PM, pdp1@EARTHLINK.NET wrote
>
>>
>> What progress in the World might any of us know about, as for Solar
>> Fired
>> Kilns?
>>
>> Certainly, a large and motor-controlled mounted Mirror, following the
>> Sun,
>> could direct Light into a stationary Parabolic Mirror, which would
>> gather
>> and condense into a beam, plenty of energy for a Kiln, if directed
>> into one,
>> through some aperature which would not let all the heat "out" of the
>> Kiln,
>> course...Lol...Whatcha think?
>>
>
> Dear Phil;
>
> Ever since I saw a picture of a heliostat that Boeing was testing in
> Boardman OR, I have been wondering if it could fire a version of my
> Doorless Fiberkiln. The mirror was parabolic, 15" diameter, and could
> supply up to 70,000 BTU to a focused area about 2" diameter. It was
> protected by Tedlar dome inflated by a solar powered fan and was
> projected to cost around $2500 each at the time. My implementation
> would have a small receiver mirror under the chamber focused on a
> black
> SiC 'target disc' inside the kiln which would radiate energy around
> the
> chamber. A sealed chamber such as this would gain heat rapidly, and
> reduction could be effected by gases released into the chamber,
> such as
> a Hydrogen feed. Take just a few milliliters I am sure. The trick
> would
> be to fire this kiln during a solar day.
>
> Anyway, I am still dreaming of it from time to time.
>
> Cheers, Hank
> www.murrow.biz/hank
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