Last updated 1 year ago
Build Your Own Solar Thermal Panel
"This option is small-scale and it is built around a reclaimed heat dispersal system from an old refrigerator (which you can get with the gas removed from your local dump). It has no pump as it is gravity fed and it requires no electricity to work. Just put it in the sun, turn on the water feed and you will get a slow but constant supply of very hot water..."
How Wind Power Works
How #WindPower Works : When you talk about modern wind #turbines, you're looking at two primary designs: horizontal-axis and vertical-axis. Vertical-axis wind turbines (VAWTs) are pretty rare. The only one currently in commercial production is the Darrieus turbine, which looks kind of like an egg beater.
Metal forming tool 6.0" x .125 custom bender 2 week wait per order | eBay
The tool works great it does have to be mounted on a strong table, with a little muscle this bender can fold a maximum of 130 degrees carbon steel 6.0" wide x. 125 of thickness, the sides have adjusters & are spring loaded to allow the insertion area to open up when loosening clamp pressure. | eBay!