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This Instructable will give you a step by step process on how to carve a real wind turbine blade out of wood (not those fake ones from a 4" PVC pipe, but they are cool too.). This was designed by me, a real Aerospace Engineer, using real airfoils, and optimized for a small wind turbine at lower starting wind speeds.
I promise you it is easier then you think. I will even provide you with a pdf drawing that you can print out, and use as a template. So I want everyone to start making wind turbine blades. Well, what are you waiting for, GO!
If you are interested in how to design your own go here:
http://www.aerodyndesign.com/SMALL_WIND_TURBINE/SMALL_WIND_TURBINE.htm
By the way, after you make these you need to make a hub, but that is easy too. And make or buy a motor, but you can get them cheap on Ebay. Just type in PMG (Permanent Magnet Generator). They are nice because they do not require a gear box because they operate at relatively low RPM (500 RPM for this blade).
I promise you it is easier then you think. I will even provide you with a pdf drawing that you can print out, and use as a template. So I want everyone to start making wind turbine blades. Well, what are you waiting for, GO!
If you are interested in how to design your own go here:
http://www.aerodyndesign.com/SMALL_WIND_TURBINE/SMALL_WIND_TURBINE.htm
By the way, after you make these you need to make a hub, but that is easy too. And make or buy a motor, but you can get them cheap on Ebay. Just type in PMG (Permanent Magnet Generator). They are nice because they do not require a gear box because they operate at relatively low RPM (500 RPM for this blade).
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Signing UpStep 1Printing the Airfoil Templates (on paper)
Okay, step one, lets make some blade templates. I will make this easy for you. All you have to do, is download the PDF here:
http://www.aerodyndesign.com/SMALL_WIND_TURBINE/BLADE_D_(07-01-09).pdf
I Also attached it to this step.
This drawing is 1:1. Yes, 1:1. Which means, all you have to do is print it out, probably in sections if you don't have a plotter. Which most people don't. But you can easily select different regions of the drawing to print, and then print them. Be sure you don't have any scaling on, as this will change the size of the print out to fit the paper, you don't want to change the size.
As you can see from the drawing below that each section corresponds with a given station along the blade. When you start carving it is critical that you mark the blade sections and their corresponding station (ie. A-A, B-B, C-C etc) So when you start carving you know which section goes to which station
http://www.aerodyndesign.com/SMALL_WIND_TURBINE/BLADE_D_(07-01-09).pdf
I Also attached it to this step.
This drawing is 1:1. Yes, 1:1. Which means, all you have to do is print it out, probably in sections if you don't have a plotter. Which most people don't. But you can easily select different regions of the drawing to print, and then print them. Be sure you don't have any scaling on, as this will change the size of the print out to fit the paper, you don't want to change the size.
As you can see from the drawing below that each section corresponds with a given station along the blade. When you start carving it is critical that you mark the blade sections and their corresponding station (ie. A-A, B-B, C-C etc) So when you start carving you know which section goes to which station
BLADE_D_(07-01-09).pdf322 KB| « Previous Step | Download PDFView All Steps | Next Step » |
U HAVE A BRIGHT FUTURE
FANTASTIC WELL DONE
Mike
Another awesome Instructable. Does this mean the Second Coming of AeroEngineer Instructables, or do we have to wait another three years?
Haha, your making me feel guilty. You know, I just might get more involved now that I am done school. I do have a lot of fun projects to share. Like my buddy, who built an airboat from scratch.
Yes, I am working on finishing my wind turbine, but it is a weekend project, so it takes time.
Thanks for the support. You have motivated me to start posting more :-)
Take care.
Mike