The device is known as a rocket mass hot water heater and they can be made very cheap as you can see in the video. The only cost was about 50$ worth of copper pipe. The sand and clay mixture was about 50% clay/mud and 50 sand, for most of the build. Some people also call these things rocket stoves. One thing’s for sure, this primitive technology is a cheap and effective way to get off grid hot water for free. The ancient knowledge we are taking advantage of in this case is something called thermo siphoning. Some know a similar design known as a cob oven.
- How to build a Homemade Powerful 12V Water Pump from an Old Cordless DrillThis video shows the build of a Homemade Really powerful 12V Water Pump made from Old Cordless Drill and other materials that are easily available at home or your local store.This water pump motor is used to power a pump that delivers water for irrigation, livestock, and drinking.Compared to more traditional systems,this water pump has numerous benefits such as Easy installation,Low maintenance,Simple and reliable,No fuel spills or costs,Mobility option,moreover you can power this pump by Solar Power or Wind Power.
- DIY Video: How to build a Homemade Copper Pipe Solar Water Heater and get super hot water fast and free
- DIY Video:How to set up a Complete Off the grid living System using Solar and Wind Turbines . Make your own Power and never pay for electricity again.