Hybrid Car – More Fun with Less Gas

Wood Gas or Syngas Gasification of Bio-Mass - Page 2

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Posted by Morris Dovey on October 23, 2009, 3:40 am

Curbie wrote:

Automatic tracking should be fairly easy to implement.

I don't (but I haven't been looking).

Me too (except for berry pies) :)

I like it. There's some good, creative thought in that design.

Morris Dovey
DeSoto Solar
DeSoto, Iowa USA

Posted by Curbie on October 23, 2009, 11:30 am

Yes, in summer, but in winter with snow, I'm still thinking about

Let me know if find something you like, I recall seeing a German
design that had fixed positions for both the oven and mirror, if I
remember correctly the mirror tracked both azimuth and zenith AND had
an interesting mirror "warping" function to focus mirror output on
oven input, but I can't find it again so If someone knows the link or
name of this design please post it.


Posted by Curbie on October 23, 2009, 1:40 pm

Ok, I finally found the solar oven I was thinking about it's called a
Scheffler's reflective cooker, fixed oven and mirror positions, 1000°C
maximum temperature, and DIY.

I also found the inventor's web-site with description, math, and





Posted by Ulysses on October 23, 2009, 3:57 pm

I don't get why you would call solar cookers "primitive."  I made a small,
double-cardboard box cooker many years ago just to try it out.  It was not
very advanced and too small to do much cooking but it worked.  A couple of
years ago I built one from exterior grade plywood and mirror tiles (instead
of aluminum foil) and it is now a standard outdoor cooking appliance, much
like a BBQ would be.  Some things are best cooked on a stove, some on a BBQ,
and some in a conventional oven.  And some are best cooked in a solar
cooker.  With the right pans etc some foods turn out about as perfect as
they can possibly be cooked.  Other things simply taste better--must be the
sunshine added as a "secret ingredient."  ;-)

Posted by Ulysses on October 22, 2009, 2:37 pm

I don't know about algae but when this subject was discussed here (not too
long ago) bamboo seemed to be a consideration as a fuel source.  To me the
appeal of woodgas/producer gas is that a crop could be grown specifically
for fuel--a renewable energy source.  Whenever woodgas is mentioned somebody
usually jumps in with the "cut down all the trees" reaction which does not
seem to be very well thought out.  As Jim Wilkins just pointed out all the
waste from the lumber industry could probably be used as fuel plus there is
a substantial amount of waste wood etc from many sources that could probably
be used.

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