Posted by residualselfimage1999 on May 2, 2009, 9:19 am
> Kyoto trough is a new design, as far as I know.
The parabolic shapes as shown in the youtube video link
by the orginal poster are not common among practical
solar ovens because the shape is too difficult to build.
A solar oven has to be easy and cheap to construct
to be popular.
Reports that I have read suggest most third world country solar ovens
are
basically designed around an insulated cardboard box covered with
aluminum foil.
Heat loss from the air is minimized with glass top. Heat absorption/
gain is
maximized is maximized by putting in the center of the solar oven a
black cooking pot.
Posted by brian white on May 3, 2009, 7:41 pm
I was asked to put it on solarcooking.org (which I did) in their wiki.
Do not forget panel cookers! The stuff I did indicates that a panel
cooker with a long "tail" would be much more effective than those that
are commonly made.
It is a new design. And a parabolic shape is not hard to make.
All you need is a piece of string, a nail and a set square. (which you
can make). Parabolic dishes are very hard to make but I am not asking
people to make dishes. Just troughs.
residualselfimage1999@gmail.com wrote:
>> Kyoto trough is a new design, as far as I know. > > The parabolic shapes as shown in the youtube video link > by the orginal poster are not common among practical > solar ovens because the shape is too difficult to build. > A solar oven has to be easy and cheap to construct > to be popular. > > Reports that I have read suggest most third world country solar ovens > are > basically designed around an insulated cardboard box covered with > aluminum foil. > Heat loss from the air is minimized with glass top. Heat absorption/ > gain is > maximized is maximized by putting in the center of the solar oven a > black cooking pot.
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