Instructables
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Picture of Small Scale Wind Turbine
This wind turbine was designed by 4 Glasgow School of Art students as part of our Product Design Engineering course. The aim of this project was to create a wind turbine that would yield the highest power output when in a wind tunnel. This particular design proved to be the best ever and produced a little over 20 volts when loaded with a sizable resistor.
 
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Step 1: Component Parts

Picture of Component Parts
All component parts. Some size-able machinery is required for a project such as this, for example:
Welder, engineering lathe, turret mill, accurate metal cutting saw, drill press, rapid prototyper and more.

Components:

Column, 5 aerofoil blades , main shaft, 2 shaft bearings (C3 (loose running), not sealed so grease can be replaced by light oil), 2 shaft locking collars, nose cone, 24 volt rated motor, 2 pulley wheels with a 3.75 : 1 ratio, drive belt, motor mount and various nuts and bolts.

Step 2:

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Screw column to base.

Step 3:

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Press bearings into housings and fasten to column.

Step 4:

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Insert shaft through bearing and mount locking collars and nuts.

Step 5:

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Screw blades onto nose cone and secure with locking nuts.

Step 6:

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Srcew pulley wheel and blaed assembly onto the main shaft ensuring all is well centered and balanced.

Step 7:

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Finally attach motor and tension the belt.

Step 8: The finnished article.

xing.chan.3137 months ago

where did you attach the wires to produce eletricity

Are you able to post the dimensions of the blades or possibly even the cad file? I have access to a 3D printer and I would really enjoy making one of these!
M0HIZ1 year ago
Fantastic!

Did you cut the aerofoil blades yourself or did you buy them pre-cut? If you did it yourself, how did you go about doing it - I'm thinking of building a wind tunnel and will probably make my own propeller?
WTRLWINDTURBINE (author)  M0HIZ1 year ago
Hi, the aerofoil blades were drawn up on CAD (Solidworks) and from this we made 1 using a 3D printer. From this prototype blade we made a silicon mould and cast 5 blades with a metal supporting rod running through the middle of each.

Good luck with your creation!!
Ok, thanks a lot for the detailed answer and the quick response!
rimar20001 year ago
Beautiful!