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Q: Please suggest a smaller way of making a wind turbine. ( No Answer,   4 Comments )
Question  
Subject: Please suggest a smaller way of making a wind turbine.
Category: Science > Technology
Asked by: axil221-ga
List Price: $3.00
Posted: 06 Mar 2005 12:45 PST
Expires: 05 Apr 2005 13:45 PDT
Question ID: 485739
Rather than the following 500 watt wind generator which involves a lot
of steel.Have you plans for a small but efficient wind
generator.Perhaps using sheet metal(cheaper).Or a wooden frame (easier
to build).Holding bearings,some sort of light weight blades.Any ideas
please,I will pay fee for informative websites.The following involves
a lot of work I think:Description The Windpower Generator is
fabricated of steel and It is composed of a 24 inch long steel frame
on which a 27inch long, 3/4 inch diameter shaft is mounted on pillow
block bearings.
On one end of the shaft is attached the hub onto which two, 36 inch
long blades are attached, creating a 6 foot diameter
rotor with an area of over 240 square inches. The blades are made from
galvanized steel tubing and 24 gauge galvanized sheet steel.
On the other end of the shaft is attached a 10 inch diameter pulley.
Below the frame and under the pulley is mounted a 12 volt, 60 amp
automotive alternator.
Answer  
There is no answer at this time.

Comments  
Subject: Re: Please suggest a smaller way of making a wind turbine.
From: siliconsamurai-ga on 06 Mar 2005 15:46 PST
 
Problem with a small wind turbine is that you need a LOT of wind.

The reason they are so big is because it takes a lot of
propeller/wing/turbine AREA to get much power out of it.
Subject: Re: Please suggest a smaller way of making a wind turbine.
From: danbia-ga on 09 Mar 2005 01:47 PST
 
Jaspira (www.shield.fi/turbine.html) is building small wind turbines
using metallic foils. Windside (www.winside.com) builds similar shaped
turbines but uses heavier blades.
Energy & Sustainable development magazine published a review of "wind
turbines of another kind" in issue n°4 and provides news about cleaner
energy solutions worldwide. Visit http://www.2e2d.info/en for sample
issues and more information.
Subject: Re: Please suggest a smaller way of making a wind turbine.
From: netw6000-ga on 09 Mar 2005 12:27 PST
 
Go to eBay and search on "brakedrum windmill". Ohojim sells these
plans. I don't like wind or solar panels because they put out too few
watts for the money. You should install a generator based system as
described here... www.electricitybook.com.

Bill
Subject: Re: Please suggest a smaller way of making a wind turbine.
From: minim-ga on 03 Apr 2005 18:14 PDT
 
Q:  Please suggest a smaller way of making a wind turbine. 

A:  Instead of a turbine, perhaps a small windmill would work better.
Here is one...

--
Introducing a new vertical axis windmill design for urban and rural
applications for home, lawn and garden.

Applications include: Domestic water pumping, pond aeration,
fountains, garden irrigation, bird bath fountains, powered wind
chimes, and wind driven lawn ornaments.

    Figs. 1  shows a windmill in which the tower turns with the rotor.
An output pulley at the base delivers rotary power directly to the air
compressor at ground level. The bottom bearing rests in gimbals
supported by two stakes driven into the ground. The windmill can be
raised or lowered by one person in less than a minute. This model has
a 15' rotor and weighs approximately 75 lbs. including the tower. It
is portable and is sometimes used for remote drainage, irrigation, and
aeration.

    Fig. 2 shows a pond aeration system. Three piston pumps provide a
continuous flow of air to an air stone in the pond. The entire
windmill pump system weighs less than 20 lbs. The tower is thirty five
feet high.

    Fig. 3 shows another configuration whereby the power shaft from
the rotor runs through the center of a stationary tower column. The
output is at the base as in the previous example.

    Fig. 4 is of a pivoting A-frame type tower operating a double
diaphragm air pump located at the top of the tower.

    Many transmission systems and tower arrangements can be easily
adapted to this design.

Double click on the drawing for generator mounting detail from the available plans.

--
http://www.greenwindmill.com/
--
Hope that was helpful.

Regards,
MiniM

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