Year: 2009

Treadle pumps move water sustainably

Treadle pumps move water sustainably

[Image from Howtopedia] The Treadle Pump design is very simple and effective at helping people to bring water to their crops. Treadle Pump is a foot operated water lifting device that can irrigate small plots of land of small holders in regions that have higher water table (not deeper than 25 feet) A low cost […]

MV CoilMaster Mark1 Coil Gun

MV CoilMaster Mark1 Coil Gun

Alan Parekh, of HackedGadgets, writes Daniel Eindhoven sent in his latest creation, this is one killer looking coil gun! “Fully semi-automatic, up to 14 shots. Capable of delivering over 18J kinetic energy, and speeds up to 110km/h! (42 gram projectiles). It’s a single stage gun, using a 8800uF(4×2200) capacitor bank with max 400v (704J). Max […]