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I will be building a windturbine I need your help!

Started by infringer, March 22, 2009, 10:06:54 PM

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0 Members and 2 Guests are viewing this topic.

infringer

yes according to the wind map from 2007 14mph is common

Anyhow I have made my own observations I have had a decor type wind turbine up for some time now...

So my area is plenty capable of producing power from wind.

I have also read the whole otherpower website nearly did all of it sink in not really but I got 145lb n42 mags and 11lbs of 13 gauge magnetic coil I am working on getting the fiberglass resin and hardener...

I will take the altenator and the replacement stator as a loss for now...

I may do something with it though in the future stationary bicycle for charging possibly not sure yet ...

What I need from everyone is the best coil and magnet setup to achive maximal power I plan on designing a rotor and stator on the top and bottom of my VAWT to maximize power production should be fairly easy I plan to document everything too for those who are interested everything from start to finish but I do need to know the sizes of the rotor and stator and how to properly wind the coils for high output.

Besides that why go elsewhere why not archive the information here as well I see no reason not to have copies of the info here then that way if the website goes dead we still have that info.
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infringer

I like the design using roof flashing but most likely I will be able to obtain my plastic barrels at little or no cost depending...
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Michelinho



Hi Infringer,

The setup you describe is the Savonius Windmill design, at least for the wind part of it.

Take care,

Michel


clflyguy

14mph average?! YEEhaw! No wonder you want to put one in the air.....

OK, then.... 13 ga. wire, nice & heavy. Sounds like no more than 2-in-hand then. So what are the physical dimensions of your magnets?
How many of them do you have to work with? Are you designing for 12, 24 or 48v? 3phase? 5phase?
We have to size your alternator before we can size your blades. I would suggest you use used brake rotors to help keep the cost down,
and try to find the largest diameter ones you can. If you slip the guy at the Brake Depot (or whatever brake shop you go to) a fiver or
maybe a sixpack he'll probably throw them up on the lathe and smooth the faces for you so long as you swear to him that these are
NOT going back onto a vehicle.
Do you weld? You can save more money doing you own welding- no welder? 3 deep cycle 12v batts in series connected with heavy
cable works well, up to 1/4" thick steel...

I'm looking forward to your build- write back with the info and we can move forward with your design.

infringer

I am leaning to fiberglass and wood for the rotor and magnets for less drag if need be I will go carbon fiber.

Its all reasonable if you search for resin and hardener ... Just make sure the resin you use is compatible.  I've done fiberglass before and yes I have welded before as well more stick then anything else...

I want to keep everything sturdy yet light weight plus I want to minimize eddy current therefore I will not be using disc breaks sorry for not taking this route it just seems a bit overkill for what you are trying to accomplish when making a home made alternator...

Lightweight and sturdy is what I am shooting for something that will make use of lower wind and handle higher obviously I will need to do some balancing on the stator and rotor it appears that the stator (Stationary portion equipped with coils) is in almost all cases I have seen is larger then the rotor (portion that rotates with the magnets on it) just a hint the way I figure if you take the two barrels a little under half the distance should work and you can make the alternator quite a bit larger in diameter then the barrel itself my goal is roughly 4 inches larger...

Indeed I have 3 seperate posts discussing differnt topics about the build forgive me but this topic is kinda broad I was seeking specific help in the other  posts 

I wish I could do some decent graphics work then I could show you exactly how I will be accomplishing everything but give it time cause it may be a while before I get all the required equipment!

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