[OLPC India] [Community-news] OLPC News 2007-10-20

[Peter A. Sharp]

Dear Arjun Sarwal,

I saw your cow power video just by chance. I invent things 
for fun, and I have some concepts that might be of some use 
to you for minimizing the cost of generating electricity 
using cows and people.

You did a very nice job on your generator. If you need to 
reduce costs further, let me know and I'll tell you about 
some gadgets I've invented that might help. Some are just 
drawings that explain a new principle, and some are models 
that I built to prove that a concept would work.

Here is a concept that I just thought up. Use a kids 
merry-go- round to generate the power. So the kids generate 
their own power while having fun playing. There is a water 
pump that provides village water using this technique. It 
works well, but it is expensive. it could be built much 
cheaper using local parts and labor. The kids push the 
merry-go-round and jump on to ride it in circles. Only part 
of their energy is needed to run the pump. The kids love it. 
It becomes their most favored playground device. See the 
website of Play Pumps International.

Sincerely,

Peter Allen Sharp
2786 Bellaire Place
Oakland, California 94601
USA 
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