[Energy] Evacuated thermal collecter
Sage Radachowsky
sage.radachowsky at gmail.com
Wed Nov 16 08:45:43 EST 2011
Ah, that is interesting ... and very DIY ... although the water doesn't get
as hot since it is not evacuated (much less insulation) ...
Here is an evacuated tube panel for $400 .... could provide boiling
water for the camp ...
http://www.ebay.com/itm/10-Evacuated-Tubes-Solar-Collector-of-Solar-Hot-Water-Heater-Vacuum-Tubes-new-/230687901406?pt=LH_DefaultDomain_0&hash=item35b61206de#ht_4667wt_1149
Sage
On Wed, Nov 16, 2011 at 12:19 AM, Douglas Breault <GenKreton at gmail.com>wrote:
> What has also been proposed is a variation of this extremely simple and
> pretty much free design that uses mostly 3 plastic bottles:
>
> http://www.instructables.com/id/Solar-Hot-Water-Kettle-From-Plastic-Bottles-and-G/
>
> I've done some minor experimenting with a few designs. If you'd like to
> meet and discuss ideas and possibly work on them - Sage or anyone else - I
> would be all for it. I know I've briefly talked to you (Sage) before about
> it in camp. If you feel strongly about testing this I could begin more
> serious prototypes at the start of next week after the new pedal generator
> designs are finalized. I am really interested in doing some solar cooking
> in camp.
>
> - Doug
>
> On Tue, Nov 15, 2011 at 16:44, Sage Radachowsky <
> sage.radachowsky at gmail.com> wrote:
>
>> Hi,
>>
>> I just remembered this technology ... it can boil water from plain old
>> sunlight ... it is like a clear thermos with a black pipe in it ... the
>> pipe absorbs heat, which cannot transfer back out because the space in
>> between is a vacuum, like in a thermos.
>>
>> http://www.solarpanelsplus.com/thermal-how-it-works/
>>
>> Very good, reliable way to heat water very very hot.
>>
>> Finding it is the challenge.
>>
>> Sage
>>
>>
>>
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