Hello,
Thanks for all of the great responses!
I should have posted our youtube videos earlier, so you could see our current designs:
http://www.youtube.com/watch?v=xkhcOmWd_5g
http://www.youtube.com/watch?v=1Ch5veTdfoY&feature=related
The delivery head we are looking for is 30 feet...
Hello,
History:
We have been spending a litle over a year designing a bicycle powered pump for irrigation in developing countries (www.developingworldtechnologies.org). Previously we were using a positive-displacement diaphgram pump, where we used a crankshaft and chain drive interface to...
