Wind Turbine

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Intro: Wind Turbine

I'm very interested in freedom,  and anything you do not have to pay for.

The wind is free ,  but turbines cost a lot ,  so here is how to build a ten foot diameter wind turbine on the cheap.

Step 1: Your Tower Needs an Anchor

Do not under any circumstances dig a hole more than 3 feet deep unless you have been trained to do so.  Small hole collapses kill more people every year and if you do not know what to look for you could be taking a chance with your life.  Respect the threat and if you are unsure find some one that understands the risks and can help.  


You don't want your tower to fall over,  so you will need an anchor.  I used over a thousand pounds of concrete that I set five feet deep in the ground.

I started by digging a five foot deep hole.

Step 2: Your Turbine Needs Wind


Turbines need to be up as high as you can get them,  so to get as high as you can you will need a tower.

I made mine with 6x6's.   It's 20 feet tall.


Step 3: Turning on a Dime, or a Bicycle Down Tube


Your turbine will need to be able to turn into the wind.  Bicycle parts can take a lot of abuse,  so I used them for all my moving parts.  Here is how I used a front wheel fork down tube and bearing housing for my turbine's pivot.


Step 4: Electric Boogaloo


I've been looking into a generator for some time.  I've read in a few places that this is a really great motor to use and I found it on my first try digging at the dump : )

I'd like to wrap my own coils at some point,  but for right now this will have to do.

Step 5: The Cutting Edge of Power


I've seen many websites that show how to cut blades out of pipe,  but I had never seen anyone use thin wall 6 inch pvc used.  My blades are 4 feet and ten inches long and they are cut to hold a 45 degree pitch from the hub all the way to the tip.

I'm very happy with how they turned out  : )

Step 6: I've Got a Nose for Wind

The nose cone is really just for aesthetics.  I vacuum formed mine and my vacuum form machine's check valve had gone bad ,  so at some point I will need to make another one.  The next one will have a raised ring around it with a v shape to it,  and I'll put a v notch in each blade to hold it in place better.

Step 7: Enjoy the Freedom

Now get out there and build a wind turbine !!!!

And remember ,  Be safe ,  Have fun and go green for the green.

It does not have to cost a lot to do great things your imagination is the limit ,

[[Video (http://www.youtube.com/watch?v=QJfsst5xnOE) ]]

Flash Animation


http://www.youtube.com/watch?v=QJfsst5xnOE

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    62 Discussions

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    seasonhappyman

    10 months ago

    does the generator need to be right next to the turbine? could it be connected to the turbine, but on the ground? Again, thanks!

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    the SLTseasonhappyman

    Reply 8 months ago

    With this design, it will be difficult. placing the generator right next to the turbine decreases the additional mechanical parts like gears you will need as opposed to if it was on the ground, adding a chain could work if your turbine has a fixed direction, but again additional parts can reduce its efficiency due to loss of energy.

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    seasonhappyman

    10 months ago

    I'm soooo gonna build this (eventually). I love this project! But how can you hook this up to your home appliances? Thanks!

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    TusharD7

    2 years ago

    good one

    but cant understand the generator

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    reddnekk

    7 years ago on Step 7

    Could not see how you drove the generator/alternator. Belt drive? Chain drive? Surely you did not mount the propellor directly on the generator shaft, so that its bearings would take the full load. Please tell us.

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    Undead_Engineering

    4 years ago

    Looks good.
    My biggest concern is why are the blade set at 45 degrees? Wind turbine blades need twist with more angle at the center and less at the tip because the tips move faster. Your blade tips and roots will be fighting each other and it will not be very efficient.

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    masoon

    7 years ago on Step 4

    what kind/ size / make is the generator. I rent an industrial building downtown and have been thinking about setting a turbine up on the roof. I've seen an electric connection that allowed rotation without cords winding up, two rings one with two contact rings and the other with two sprung "brushes" if you will. Maybe that connection can't conduct the amount of current needed?

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    00MrNotWrong00masoon

    Reply 7 years ago on Step 4

    If your really serious the only way to go is to wrap your own coils, every place I've seen where people are getting really good amounts of electricity , they wrapped their own coils. I believe there is a tutorial over at otherpower.com and I think there is an instructable as well.

    I think there is also a tutorial for building your own slip ring (electric connection that allowed rotation without cords winding up).

    Go for it !!!

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    masoon00MrNotWrong00

    Reply 5 years ago on Step 4

    what type/size/make is the motor? is it possible to use an altenator from a car?

    Was looking up bicycle motors. Came across one that I would like ideas about. Do you think it would work?
    36 Volt 600 Watt Planetary Gear Motor With Cooling Fan
    36VDC 600W 21.3 AMP motor with built-in planetary gear reduction transmission and cooling fan. Gear ratio: 60:9 (6.67). Output shaft speed: 550 RPM. Shaft diameter where sprocket seats into is 8mm x 13mm with a dual-d bore. Includes 10 tooth sprocket for #40 or #420 chain. Powerful four brush permanent magnet electric motor design with 100% ball bearing construction. 12 gauge power leads. Shaft rotation reversible by reversing power leads. Mounting bracket measures 5-1/2" x 4-1/2" with 4 mounting holes. Mounting holes are spaced 4" center to center across by 2-1/2" center to center across. Weight 17 lbs.

    Thanks.

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    dimtick

    7 years ago on Introduction

    Looking at the photo's it appears that your turbine has a lot of neighboring trees. Trees create a lot of turbulance with ground wind. if at all possible you should raise your turbine so that it's above the trees and can get clean air.

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    00MrNotWrong00dimtick

    Reply 7 years ago on Introduction

    I went as tall as I thought I could without drawing to much attention. If no one complains in the next year I'd like to go ten feet higher, but having a turbine under 50 feet is kinda silly.

    If you go to google maps there is an elevation option , if you choose it then you will see wind maps right next to the elevation map. On your wind map , everything in orange (I think) is sustainable for wind power harvesting. I'm right near a big orange spot , so I gave it a shot.

    We had some heavy winds a few days ago, and yes the trees caused a lot of turbulence, she kept turning out of the wind because the wind that was hitting the tree behind her was coming back and pushing the tail from side to side.

    She seems to do better in low wind. I would really like to see how she handles at fifty feet.

    It's over four square feet and more than five feet from the pivot , and she lines up just right in low winds. The other day when we had all that high wind it seemed like it was coming from every direction. You could watch her line up then the big choke cherry tree behind her would swing back and as it did the tail would swing out away from the tree. It happened over and over.

    She is really just much to low, and I think I have cut the blades wrong, I guess I'll be cutting out 9 more blades when I bring her down to change the gear ratio.

    Can you believe I don't have a job? I can't. Where the hell are all the jobs? I should have people knocking on my door trying to employ me, but no. Why can't I find a job?

    you cant believe you dont have a job!!!! maybe you ought to change your attitude, thinking you know evrything and walking off the jobsite and maybe youd still be getting a paychevk for doing nuthing

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    dimtick00MrNotWrong00

    Reply 7 years ago on Introduction

    I think if you go taller, you may be easier to use a round steel pipe with diagonaly cable braces. you can get the height you needing a new heavy timber. just bolt the extention pipe to the timber frame that you've already built.

    keep us posted on your progress!

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    carpe_noctem

    7 years ago on Introduction

    I haven't waded through the comments, so excuse me if this has been said before, but in step 3 you mention using a bike's "down tube". I'm 99% sure this should be head tube.

    image008.jpg
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    Randomj59

    7 years ago on Introduction

    Great instructable,

    If you live in a turblulent wind area have you considered making a verticle helix wind turbine, it catches wind from all directions and shouldn't be too challenging to make?