Speciliazed Innovate or Die competition entry: bicycle powered water pump and slow sand filter for use in rural settings in third-world, developing countries.
Leg-powered pumps save money and carbon: This video itroduces a project which promotes the installation and use of treadle water pumps in Uttar Pradesh, India....
Bicycle water pump designed by Baay Xaaly Sene to improve water retrieval from wells in Senegal. Construction help by WOT Technical University of Twente, video...
Using a basic principle of concentration gradients, I built this water pump out of nothing but Legos and a plastic water bottle. More information here:...
