Waterwheel Electric Generator Low-Cost Electricity, Multi-Purpose Dams Provide Water For Irrigation
Hydropower, generated mainly from hydroelectric dams, is a clean, renewable, non-emitting source of energy that provides low-cost electricity and helps reduce carbon emissions. U.S. hydroelectric generation is the second largest in the world, providing 7% of domestic electricity production and much larger percentages in the western states. It is more efficient than any other form of electricity generation and offsets more carbon emissions than all other renewable energy sources combined.
Republicans in Congress support expanding the use of hydropower and it is an essential part of an all-of-the-above energy approach to improve the environment and meet our country’s energy needs. Republicans on the Natural Resources Committee are also working to make all hydropower officially recognized as a renewable energy source by any legal or regulatory standard established by the federal government.
Hydropower accounts for approximately 75% of the nation’s total renewable electricity generation, making it the leading renewable energy source of power.
Hydropower turbines are capable of converting more than 90% of available energy into electricity, making it the most efficient form of electricity generation. By comparison, fossil fuel plants are only approximately 50% efficient.
In addition to providing low-cost electricity, multi-purpose dams provide water for irrigation, wildlife, recreation and barge transportation and flood control benefits.
A medium size water wheel electric generator can provide enough electricity for one house (3 bulbs, one TV and one radio all running at the same time). Not only you will no longer dependent on the power grid, but you’ll have electricity when SHTF and more important: absolutely FREE. Unlike solar panels, a water wheel electric generator can produce electricity 24/7.
Hydroelectricity is the world’s largest and cleanest source of renewable energy. But despite lively interest in renewables generally, there is an information vacuum about the smallest version of the technology dubbed “the simplest, most reliable and least expensive way to generate power off grid.”
Turbines–All of the commercial micro hydro generators available today use a small turbine connected to an electrical generator or alternator. Water is collected in an intake pipe upstream, travels down to the turbine in plastic pipe, and is forced through one or more nozzles by its own gravity pressure. No dam is needed; systems without a dam are called “run of river” systems. Power is generated by a generator or alternator directly connected to the turbine wheel (no gears or pulleys needed). All of the factors below must be calculated correctly for your micro-hydro equipment to make power most efficiently. All commercial micro-hydro setups are custom-made by the manufacturer for your specific application. For proper operation, you must supply the manufacturer with specific data about your site, most importantly the vertical drop in feet (called “head”), the amount of water flow available during different seasons in gallons per minute, and the length of pipeline required to get a sufficient head.
In general, for a water turbine you need at least 3 feet of fall and at least 20 gallons per minute of flow. If you have more fall (head), less water is required. You can calculate potential head with a water level, a contractor’s level and stadia rod, or with just a string level attached to a measuring stick. The more fall and flow that you have, the more potential power you can generate. You can measure flow by building a weir in the creek and measuring how fast it will fill up a 5 gallon bucket.
Your pipeline must be of a big enough diameter to minimize friction loss in the pipe. Your micro-hydro supplier can give you specific information regarding this.
Nozzle size and turbine wheel type are all interrelated to your total head and flow. Again, your hydro supplier will customize these for your specific application. Often, different size nozzles are designed to be switched in and out as stream conditions change throughout the year.
There are two main types of turbines, impulse and reaction. With impulse turbines, a jet of water is created by the nozzle and squirted onto the wheel. Reaction turbines are more akin to propellor that spins INSIDE the pipe, generating power.
The 3 primary impulse turbine wheel types are Pelton, Turgo, and Cross-flow. Pelton wheels are used in low flow, high head conditions, and Cross-flow wheels are for high flow, low head installations. Turgo wheels are somewhere in the middle. Francis and propellor turbines are the most common reaction type; the Francis design is very similar to the innards of a centrifugal pump. A Kaplan turbine is also similar to this design.
Home built reaction turbines have been built using centrifugal pumps running in reverse (generating power with moving water instead of using power to move the water). We hope to have more information about experimenting with this soon.
In order to generate electricity from the kinetic energy in moving water, the water has to move with sufficient speed and volume to spin a propeller-like device called a turbine, which in turn rotates a generator to generate electricity. Roughly speaking, one gallon of water per second falling one hundred feet can generate one kilowatt of electricity.
The composite system powers communications equipment, three freezers, propane furnace/hot water, well pump and all electrical requirements of my barn thereby reducing my utility bill by 50%.
You can build it from any material but the lighter, the better. Most water wheels are built from wood.
Step by step instructions on how to make your own decorative yet functional 4 ft diameter water wheel out of old scrap redwood deck lumber using common carpentry equipment. This design utilizes mostly short scrap pieces (under 24″) so as to maximize the re-use of available scrap which would most likely otherwise be discarded or used as firewood kindling. Also the age-weathered deck boards make the wheel look old and add to the genuine look of the feature. This eight-spoke design is also the easiest to layout, cut, and assemble without needing expert carpentry skills or experience.
First we have to build the wooden wheels. You can do it by using the top and bottom of the barrel or you can build it from scratch. Here is a video tutorial (3 parts):
Don’t wait until food becomes scarce; start preparing for the future now by becoming as self-reliant as possible. Your long-term chances of survival could very well depend on your ability to feed yourself and your family without relying on someone else.
Homemade wooden garden waterwheel
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