“This is my powerless Fridge design that can bring temps from 96deg down to 64deg.”
Mechanical
Wood stove runs a generator, produces gasoline, runs a fridge and heats hot water
“This is the most efficient wood stove on the planet it will make gasoline run a generator and a propane fridge, heat hot water and your home at the same time. this system works on any dry organic material.”
EMAS Handpumps
Pumps – EMAS high quantity handpump from EMAS on Vimeo.
Make your own low cost water pump (about $12) with a few pieces of PVC pipe. This is a fantastic find. Thanks to Jay, the reader who recommended it.
Water Pumping Windmills for Off Grid Farms and Homesteads
“Windmills were used to pump water since at least the 9th century in what is now Afghanistan, Iran and Pakistan. On US farms, particularly on the Great Plains, windpumps (water-pumping windmills) were used to pump water from farm wells for cattle. At their peak in 1930, an estimated 600,000 units were in use, with capacity equivalent to 150 megawatts.
V3Solar Spin Cell Update
The cool looking V3Solar Spin Cells are still 9 – 12 months from commercial production, but one of our readers sent me this update and the news is very exciting. (Thanks, Jerry.)
“The story of the day is the tremendously low cost of the tech, and that’s what could change the world; that’s what could stimulate a more transformative distributed energy revolution than anything we’ve seen to date.
Green Turbine
Green Turbine (TM) is a very small (slightly larger than a football) steam driven turbo generator that converts (waste) heat into electricity. This makes the Green Turbine an excellent choice in applications where both heat and electricity is required (combined heat and power). The part of the energy not converted to electricity is available for heating or cooling.