How to build a windmill and how it works?

My friend and I have a science project for school and we want to build a model showing the different processes to create energy in a windmill. It shouldn’t really be that big. Also, we were looking up the process and it basically says that the wind turns the blade which is connected to some sort of drive shaft which goes to an electric generator. So, we were sort of confused on what an a drive shaft and electric generator were. In addition, if you know the process in more detail that would be a GREAT help! Thank you!

It is simple , and i will try to explain , driveshaft is the pin that holds the blades , a electric generater is like a electric engine , where you turn the blades and make power instead of using power to turn the blades .

in the back of your PC is a fan , that cools the Computer , a small 12 V engine that turns blades to make wind to keep your computer cool . ( just have a look ) it is normaly noisy so you can easly find it.

well a windmill is just like that , where the blades are slightly differend since you do not want to create wind , but you want the blades to turn the shaft that turns the generator

where can i find schemetic diagrams of a windmill generators as well a practical way to build one?

what will be the payback if you build one , is it worth it? i am more interested in the engenereeng aspect of this experiment

For a wind generator schematic, there is one offered by The National Renewable Energy Laboratory at:

http://ocsenergy.anl.gov/includes/dsp_photozoom.cfm?imgname=largeturbine_full.gif&caption=Wind%20Turbine%20Schematic%20Diagram&callingpage=%2Findex.cfm&callingttl=Offshore%20Wind%20Energy&source=Credit%3A%20National%20Renewable%20Energy%20Laboratory
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There is also plenty of debate & discussion on the differences & dis/advantages of vertical axis windmills versus regular wind turbines – maybe check out http://verticalaxiswindmills.com (the introduction to one such article is below):

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Can a VA Loan be used for a Sheriff’s Sale property?

There has been a lot of input stating that is is next to impossible to use a VA loan on a foreclosed properties. I am looking at bidding on a cabin at a great price and I have two main concerns.

First, the home may not qualify "as is" for a standard VA Loan for "Existing Construction" but couldn’t it qualify under the VA Loan’s "Proposed or Under Construction" category as an eligible property? That way any required repairs would be identified and the cost rolled into the loan?

The second concern is that the home is not hooked into standard electric utilities. It currently has a generator and a battery bank and I would install a residential windmill. The property has been surveyed as being in a commercial grade wind zone.

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try to buy windmill for home but cant find a seller in maine?


Have you contacted a Maine licensed electrician? There are pages and pages of information to be sent in to the public utilities commission before you can get a license, and an energy rebate for a home windmill. If you just want a decorative one, call some large garden centers.

What would be a cool advanced engineering invention that could be done for a science fair project?

In the past I have done wind generators, like what is the best curvature for the blade and what is the best type of material the blade should be. If you have any ideas on this it would be great too. I have my own windmill.

Making a mousetrap-powered car might be cool. You could experiment to see what you need to do to get it to go the longest distance, or go the fastest speed. Do a search on mousetrap cars and you’ll get ideas. Email me if you have questions, as I’ve had my students make them.

These sites have lots of different ideas:

http://www.usc.edu/CSSF/Resources/GettingStarted.html

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What home energy saving scams have you found?

open4energy has published a list of home energy scams to help energy conscientious home owners avoid being taken advantage of. They range from down loadable plans to build a magnetic generator, a solar panel or a windmill, to energy saving plug in gadgets, to full blown sales promotions for kvar power factor correction units which have negligible savings capabilities for even the biggest homes.

Each one we find is another community we can protect!

The most common website I encounter is DIY solar panels. The claim is that "for under 200 dollars you too can build your own solar panel and save thousands" I do not dispute the validity of that claim. I do take issue with what they don’t say. There are some building code violations to say the least. I have posted a blog on this very issue, and will continue to do so on a weekly basis. It is my goal to bring clarity to the cyber solar world. Check out my post "To build or not to build that is the question" at http://www.solarmandan.com.

P.S. Maybe we could post links to each other"s sites.

where to get domestic windmills in india?

I am looking for alternative sources of energy in india.Recently i heard about mini windmills. Are there anybody in india who manufacture such mini windmills that can generate around 1000 to 2000 watts of electricity for home consumption?What is the price of such windmill?

Suzlon is the leading windmills producer in India …. Please visit Suzlon’s website for more details… and if you are based in Chennai, there is an department for win energy in Guindy (South Chennai)

I would like to find info. on converting a water pumping windmill into an elec. wind generator?

why not try?

You may want to study the following to get some background information:

http://www.otherpower.com/otherpower_hydro.html
http://www.backwoodshome.com/articles/behrens16.html
http://www.richardpresents.com/alternative-energy/generators.html
http://www.ehow.com/about_4599912_water-wheel-electric-generators.html

How do you make a Windmill Energy Generator?

This is a project for school please i NEED help

the basic concept is that you need a turbine and a generator. the easiest way to get these objects would be to use a fan blade as the turbine and a DC motor as a generator. basically you can use any DC electric fan for this. spin the fan blade by blowing another fan against it. use a multimeter (or voltmeter/current meter) to determine if you are creating a voltage or current at the two poles of the motor (where the wires connect). if you are getting a reading on the voltmeter, you have just produced electricity by using wind power.

Which is a better investment: Geothermal heating, or a 5kW Vertical Axis Wind Turbine?

I’m on the verge of buying a house (in the midwest) within a month and would like to cut back on utilities, so I’m trying to determine which would provide the most savings. I know a typical horizontal axis windmill would be more efficient, but unfortunately it’s out of the question (due to safety & space issues) in a residential area. Due to financial limits, I can’t get both (at least not yet). I will be using a gas stove since electric ones are such power hogs (in case that makes a difference).

Geothermal is always going to be better in the long run. Once you get pipe down a certain depth (usually 4-6 ft) the earth’s temperature is pretty consistent at 55 deg F. Wind energy is great! and generally a better bang for your buck IF you always have wind. The problem is that unless you live in Wyoming it’s not going to be consistent enough and the cost to build it is too much.

There are gov’t subsidies for both also. But a closed-loop geothermal system will be the cheapest.

But if you want to get really fancy you could do an open system: use water to heat the house and use the hot water in the shower, etc. This is much more expensive up front though. It would change your heating system completely and your water system.