The New Bergey Bwc Wind Turbine

With an output of 850 watts at a wind speed of 28 mph, the BWC 850 incorporates all the design features that have made Bergey wind turbines the standard for quality and performance throughout the world. Featuring BWC's patented POWERFLEX composite blades, the BWC 850 rotor system provides three blade smoothness and power. The AUTOFURL system protects the turbine in high winds through a unique combination of aerodynamic and gravitational forces without the need for springs or brakes. The BWC 850...

Desert Dwellers

If you live in the desert you can cool your off the grid home with 20 watts of solar energy and a cool tower, naturally. Two part video INTRODUCTION TO COOL TOWERS & COOL TOWER CONSTRUCTION with Bill Cunningham produced by DAWN Productions and The Alternative Research Center Inc. DAWN Productions PO Box 383, Vail AZ 85641-0383 (602) 647-7220 M.R.E.A. 1994 Summer & Fall Workshop Series The Midwest Renewable Energy Association's annual Energy Fair is a weekend packed with displays and...

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Recycled modules providing new electricity at affordable prices Wind electricity Solar Cooking Wood Burning Energy Efficiency Green Investing Teacher Curriculum Daylighting Passive Solar Homes Alternative Fuels Photovoltaic and Wind Electrical Systems Demonstrating, displaying, and selling innovative energy products for use in home, business, and transportation Alternative Fuel Vehicle Showcase Bicycle Powered Generators Model Home Energy Efficiency, Solar & Wind Electricity & Heat...

Karadea

Karagwe District is three hours by road east of Lake Victoria and just south of Uganda. The Karagwe Development Association KARADEA is a grass-roots community development organization located amidst fertile banana and coffee plantations atop the high ridges near the Rwanda Tanzania border. KARADEA helps the inhabitants improve their lives through better use of local resources. Working chiefly with women's groups, it implements projects in rain catchment, afforestation, carpentry, appropriate...

Bergey Wind Turbines

Bergey Bwc 850

Negative Copper bus bar Eight L-16s cross wired for 1400 Amp-hours at 12 Volts Negative Copper bus bar Eight L-16s cross wired for 1400 Amp-hours at 12 Volts the cable into the tubing. I flattened one end of the tubing with a hammer, soldered the connection, and drilled a hole in the flattened end. I wired this new battery bank differently from my old bank. I used three lengths of 3 16 inch by 1 1 2 inch copper bus bar to cross wire the battery see diagram above . Each bus was mounted to the...

Electrathon Racing in Michigan

Electrathon America

The West coast is the undisputed hotbed of Electrathon racing in the USA, through the efforts of Electrathon America, Clean Air Revival, and other groups. Soon that distinction will be challenged by a new kid on the block the EVT. EVT is short for the Electric Vehicle Technology program at Jordan College Energy Institute JEI in Michigan. After working with events such as the 1990 GM Sunrayce Florida to Michigan and the Ford Hybrid Electric Vehicle Challenge, JEI formed the 1994 Michigan High...

An Electric Mule

Homemade Thermoelectric Power

On the Hilo side of the big island of Hawaii, more than 250 inches of rain fall each year. On a large sustainable organic farm, Harry MacDonald manages the production of Awapuhi for Paul Mitchell Systems one ingredient in their hair products . On the hilly terrain, only one vehicle can haul compost and deliver machinery for maintenance without breaking up the fragile turf. An electric mule. The mule is an electrified 2WD Kawasaki 500 Mule. Having worked on the Mana La project and a variety of...

Hydraulic Ram Pump

Waste Valve Hydraulic

Adapted from A Manual for Constructing and Operating a Hydraulic Ram Pump by Kurt Janke amp Louise Finger 1994 Kurt Janke amp Louise Finger Here's a design for a hydraulic ram pump that requires readily available materials and few tools to construct. Ram pumps are commercially available that are potentially more efficient and durable, but are also more expensive. This pump can be built for under 75, and is capable of pushing 130 gallons per day 150 feet high, with a drive head of 20 feet. A ram...

Ipp

The Independent Photovoltaic Power Providers IPPP is now the Independent Power Providers IPP . We've dropped the word photovoltaic to encourage all Independent Power Providers to join together under one banner. If we're to guide our own destiny and that of those to come after us into the Renewable Age, we need the strength of all the Independents whether they provide power by wind, hydro, co-generation, or solar thermal. And it doesn't matter whether you're in the biz or whether you are...