More ideas from dumitru
this diy solar tracker system is useful for maintaing the right angle of the solar panels to the sun.

this diy solar tracker system is useful for maintaing the right angle of the solar panels to the sun.

The Homestead Survival | Archimedes Screw Water Irrigation Method | - Homesteading - Watering Crops - http://thehomesteadsurvival.com

Homesteaders may be interested in learning about Archimedes Screw water irrigation method as a way of delivering water up from a natural running water source up into their irrigation ditches to water crops. It can be hand cranked in an off the grid situa