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I invented the “mechanical mathematician” in july or august 2007. It is a very simple way to make an accurate parabolic dish for solar reflectors.
At its simplest, it allows very poor people to make
fairly large concentrating solar cookers cheaply with mud and kitchen foil.
Unlike other methods, it features an easy way to know where the focus is and where to point it directly at the sun.
But it allows a whole lot more too. I have used it to make a prototype tracking solar accumulator in my backyard. This is an arangement whereby the reflector turns slowly but keeps its focus at the same place all day. This means your solar heat can be collected all day at a very hot point.
I have also made designs and prototypes for simple solar trackers for this system. Good enough that the webmaster put links to them in solarcooking.org
Please take a look. I have always tried to take an “appropriate technology” course in making stuff. My prototype is pretty bare bones but the design is substantially complete and it works. We are having a horrible spring in Victoria and it would be great if others made and tested the designs in sunnier climates.
I also have a fulltime day job outdoors so it is pretty hard to take time off on sunny days.
There is no reward for helping except that you would be a pioneer of a new way of doing solar cooking and a new way to do sustainable stuff.
Why not? Life is pretty meaningless unless you are making the world a better place. this might be a way to give meaning to your life.
Brian White BC Canada
My video's about solar are at
http://www.youtube.com/user/gaiatechnician and the recent ones are the important ones
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