Gravity Power! 1939

William F. Skinner produced a device that takes a 1/8 horse motor and multiplies the output 1200% here is footage from 1939.

William uses the power of the model to work a 12 foot lathe that cuts ribbons of steel. The second video
shows the reverse engineered details of William Frank Skinner’s 1939 Gravity Power Machine.


Aaron Murakami is reverse engineering the device and has gotten quite far in this. The way skinner had built his device was to have 4 counter oscillating weights so that they balanced each other out.

1939 Gravity Power Reverse Engineering Details FULL VERSION

Low speed hydroelectric generator home made

Markp0177 has now rebuilt his 13 year old generator that is feed by his local stream. This is a 2 phase generator, and the stator that holds the coils is made of epoxy and metal filings/shavings, just like the mixture in JB weld. The metal shavings are ferrous Not Aluminum. Once the epoxy cures in the mold it is removed and the surface is refined. He did this by converting a drill press into a milling machine (Smart man!). Then he wound the first phase, then the second phase using both using 18 gauge wire, 40 turns per coil. The old stator was a larger gage and only had 20 turns per coil. The new stator will produce a higher voltage but lower current. He changed the configuration on the new stator coils, so that it would operate better at a lower speeds. I have placed the video below the steps of the build.

This is the unit complete ready to run. next how the stator is built


This shows the axle that is used, a standard trailer axle.


The casted Stator before milling


During the milling process the top and bottom have been made smooth, now for the sides


This is the final part of the milling process. Making all of the grooves the same for the winding of the coils



Winding the First Phase Coil skipping a groove for the second phase to be wound into.
Now both the first and second phase coils have been wound


Close to complete, he is showing the way the ring of steel that holds the magnets keep the magnetic fields in the generator and direct them in to the stator so that the coils can convert the magnetism into electricity.

Aquaponic Systems how Green are they

So, let’s talk about how green aquaponics is. Aquaponics energy usage is from 70% to 92% less than a conventional or organic farm which use fuel and/or petrochemical-intensive fertilizers. All energy used is electrical, so alternate energy systems such as solar, wind, and hydroelectric can be used to power an aquaponic farm 100%. This alternate energy can be produced locally instead of being shipped in from oil-refining countries, which may be great distances away from the end-user.

Freshwater fish are the most common aquatic animal raised using aquaponics, although freshwater crayfish and prawns are also sometimes used. In practice, tilapia are the most popular fish for home and commercial projects that are intended to raise edible fish, although barramundi, silver perch, eel-tailed catfish or tandanus catfish, jade perch and Murray cod are also used. For temperate climates when there isn’t ability or desire to maintain water temperature, bluegill and catfish are suitable fish species for home systems. Koi and goldfish may also be used, if the fish in the system need not be edible.

How To Start Your Own Aquaponics Garden PDF

As in all aquaculture based systems, stock feed usually consists of fish meal derived from lower-value species. Ongoing depletion of wild fish stocks makes this practice unsustainable. Organic fish feeds may prove to be a viable alternative that relieves this concern. Other alternatives include growing duckweed with an aquaponics system that feeds the same fish grown on the system, excess worms grown from vermiculture composting, using prepared kitchen scraps, as well as growing black soldier fly larvae to feed to the fish using composting grub growers.

The Garden Pool was a large run-down pool that is now a backyard closed-loop food production system using aquaponics and is powered by solar energy. The GP was designed to feed a family of four with organic eggs, milk, fruit, veggies, herbs, and fish 365 days a year while using 90% less water than conventional farming methods. We are a non-profit organization to innovate, teach, and help others use more sustainable ways to grow food.



Another huge benefit of aquaponic growing is that it grows 100% chemical free, all natural produce. If any chemical or synthetic pesticides, herbicides, or fertilizers are used, the fish could die, effectively killing your system generator! There is no question that aquaponically grown food is chem free as it cannot be cheated. Even most approved organic pesticides could kill the fish.

Small aquaponics system using gold fish

DSC00605-300x225 event_131562422

Hopefully this helps provide some info to build your own system, and to feed your own family good food pesticide free.


Building an ibc aquaponic system

How to build a Wind turbine from recycled parts

When I pick up a Home Power Magazine, or a Backwoods Home, or a Mother Earth News. I read the letters to the editor and I think, These are my people! This is my tribe—the tribe of folks striving for independence of thought and lifestyle, who are creative in their choice of building materials, who try to make responsible choices about how their choices affect the environment they live in.

While writing this article I put a lot of thought into getting the information to the people. Well here goes  :^D . A list of important things to know and remember.

  • All motors are generators ie electrical motors, not engines.
  • If the motor is a DC motor, it will produce AC electricity if it is used as a generator.
  • Generators function better if you don’t have to create the magnetic field ie they need magnets in them to perform best.
  • A moving magnetic field near or through a coil of wire creates a voltage and current that is AC, The stronger the field the higher the voltage and current, also the more turns of the coil increases the voltage.
  • AC electricity can easily be converted to DC to charge Batteries with a Bridge rectifier.

Here is a excellent video on how to build a inexpensive wind turbine generator with these parts.

  1. recycled DC motor from treadmill or other appliance (DC motors have magnets in them already)
  2. 24 inch of plastic pipe schedule 80  / 8 inch pipe, you should get 6 blades out of.
  3. 24 inch alum. square tube
  4. 8×12 piece of tin for tail fin to guide into wind
  5. length of pipe to mount the wind turbine on
  6. pipe clamps
  7. a union for a swivel
  8. a bridge rectifier
  9. copper wire
  10. a 12 volt battery (or multiple batteries in a bank)

wind turbine1

Hydraulic Ram Pump uses no electricity

The Hydraulic Ram Pump, Hydram, or simply Ram Pump is an automatic pumping device that is capable of pumping water higher than its original source without using electricity or any other power source. hydrolic ram pump

There is always wasted water produced by these units during the delivery phase and is practical to have the unit on the bank of the stream so that the runoff returns to the stream. The wasted water allows gravity to pull the water down the pipe and cause a water hammer action to create the pressure needed to deliver the water to homes or irrigation sprinklers. Ram Pump operation,Water will continue to be delivered after the delivery valve has closed until the compressed air in the air chamber has expanded to a pressure equal to the delivery head. Then suction pulse, with the weight or spring on the valve, pulls the waste valve back open and allows the process to begin again.




Low cost, low flow, home made hydraulic ram pump (no welding required)

Earthship tech after 35 years

When people hear about sustainable, off-the-grid living, they usually picture primitive homes divorced from the comforts of the 21st century. I am finishing up my enlistment with roughly 25 grand debt free, so money is an issue for me having a family, but there is still in my head no reason I cant do this. I just purchased a book on building your own earth-ship, next will be systems.  You won’t get fat, but you can live from these buildings without needing anything. Nothing is better than the food that comes in from the green house. You can graze. You know, at lunch, I go into the different buildings and pick tomatoes or cucumbers, or our plant girl makes salads from the fresh picked veggies . I’ll let these pictures do the talking… and of course this short video.


Solar Powered Stirling Engine

Robert Stirling was a Scottish minister who invented the first practical example of a closed cycle air engine in 1816, and it was suggested by Fleeming Jenkin as early as 1884 that all such engines should therefore generically be called Stirling engines. An important consequence of this ideal cycle is that it does not predict Carnot efficiency. Particular details of the receiver are not important insofar as general principles of the present invention are concerned since the receiver is essentially conventional. On top of that you need a low torque alternator-generator with cogging effect at minimum or zero.


He called this cycle the ‘pseudo-Stirling cycle’ or ‘ideal adiabatic Stirling cycle’. Rider’s, Robinson’s, or Heinrici’s (hot) air engine.

The usual tendency to stirling engine design has been to use high temperatures and pressures in order to pursue performance and specific power competitive with conventional systems. This approach results in problems of special materials and advanced technologies. The reflective mirrors are formed into a parabolic shape using stamped sheet metal similar to the hood of a car.  A Stirling engine can function in reverse as a heat pump for heating or cooling. Additionally, the advent of transistor radios and their much lower power requirements meant that the original rationale for the set was disappearing. The revised design also has fewer mirrors — 40 instead of 80. When the working gas contacts the cold side, its pressure drops below atmospheric pressure and the atmosphere pushes on the piston providing more energy to the generator.

Available power is 52 kW a shutter is available to adjust power
Available power is 52 kW a shutter is available to adjust power

Thermoelectric power generation

In the United States, 90 percent of electricity comes from thermoelectric power plants—coal, nuclear, natural gas, and oil—that require cooling. The PowerPot has no moving parts or batteries, and since the thermoelectric technology is built into the bottom of the pot it can produce electricity from a wide variety of heat sources. “Converting waste heat into electric power, for example, using vehicle exhaust, is a near-term ‘green’ application for such materials.”

The PowerPot runs a light by converting heat to DC electricity
The PowerPot runs a light by converting heat to DC electricity

Generators have been constructed to use solar, natural gas, propane, butane, kerosene, jet fuels, and wood, to name  a few heat sources. The device generates electricity via the Seebeck Effect, where electricity is produced from a temperature differential applied across the device. Working within these limits, however, it is possible to fabricate custom modules that are particularly suited for standard use.

Of course, everything has its limitations, but with a unit the size of the one in the following video, you’ll easily be able to power small gadgets you have around your home. Be aware that there are practical limits on element geometry due to the fragility of crystalline Bismuth telluride material. Also be aware that the Bismuth melts at 520.7 °F so too much heat will melt the units. 

Thermoelectric waste heat recovery is the process of recapturing this lost heat and converting it to electrical power. By using the modules “in reverse,” however, whereby a temperature differential is applied across the faces of the module, it is possible to generate electrical power. A bigger unit would serve higher purposes.

If you give this unit electricity it causes cold to move to one side and heat to the other. We run this in the opposite direction to create electricity. heating the cool side and cooling the hot side.