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Forum Index : Windmills : I hear distant drums in the wind!

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YT2095

Newbie

Joined: 07/02/2012
Location: United Kingdom
Posts: 22
Posted: 01:09pm 09 Feb 2012
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This came up on one of my Twitter feeds, and I thought perhaps some of you guys here might like it too; http://hackaday.com/2012/02/09/make-a-wind-turbine-from-55-g allon-drums/

it looks pretty simple to make, and I would imagine it would catch a Lot of air and be able to drive something capable of charging more than just a cell phone ;)

all the best ;)


Hmm... seems to insert a space after G in Gallons for some reason, anyway, just remove it and the link should work.


Edit. The forum inserts random spaces to break certain hacking scripts. This can also break long URL's.

The button fixes it.

http://hackaday.com/2012/02/09/make-a-wind-turbine-from-55-g allon-drums/
Edited by Gizmo 2012-02-10
 
windtinker
Newbie

Joined: 16/01/2012
Location: New Zealand
Posts: 38
Posted: 06:49pm 10 Feb 2012
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Thanks YT2095 for the links. I had this idea in mind and a 4:1 gear ratio, it looks about 1 rev/sec?
 
anteror
Senior Member

Joined: 06/10/2009
Location: Finland
Posts: 189
Posted: 11:39pm 10 Feb 2012
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Mamboo.. jamboo..

If you want some power from the wind and real energy.
You need surfice area and a lot..

This is bulsh*t !!

I have tested and been using windpower for decades.

Antero
Finland

 
windtinker
Newbie

Joined: 16/01/2012
Location: New Zealand
Posts: 38
Posted: 06:09am 11 Feb 2012
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600 diamater
900 length
4/ms wind
50% effenciy


450+450 = 900

0.81 m/2 * 2 = 1.62

1.62 * 0.6 * 64 = 62.2 watt
31.1 watt power


option two
600 diamater spaced 4 meter apart
900 length
4/ms wind
50% effenciy


4000+600+600 = 5200
5200*.9 * 2 = 9.36 m/2

9.36 * 0.6 * 64 = 359 watt
179 watt power


option three
2meter blades radius
4/ms wind
50% effenciy

2*2*3.14 = 12.56m/2

12.56 * 0.6 * 64 = 482.61


Year not much difference, just not being a f whit
 
YT2095

Newbie

Joined: 07/02/2012
Location: United Kingdom
Posts: 22
Posted: 06:26pm 12 Feb 2012
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oh well,this isn`t my area of expertise, and if you guys think it`s BS then it`s BS, I`ll take your word for it.
I just thought it looked like something you MAY be interested in, that`s all.

I`ll let you guys carry on and won`t bother you again, sorry!
 
Warpspeed
Guru

Joined: 09/08/2007
Location: Australia
Posts: 4406
Posted: 12:29am 13 Feb 2012
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The idea is fine, but as has been said, you need to place the drum halves on radial arms to get some much better efficiency out of it.

Take a look at the construction of an ordinary cup anemometer to get the general idea.


This will certainly slow down the rotational speed, but with a massive torque increase that will more than compensate. And with a larger diameter you can use more drums.
Something like this perhaps.

Edited by Warpspeed 2012-02-14
Cheers,  Tony.
 
yahoo2

Guru

Joined: 05/04/2011
Location: Australia
Posts: 1166
Posted: 12:57am 13 Feb 2012
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Yt2095,
I apologise to you on behalf of the forum members on the way you have been treated, I feel that Antero may have tried to make a point but his choice of words has been very poor. We have suffered indirectly, as a forum in the past due to a dispute he had on a Finnish forum 2 years ago. I for one was hoping that this was all in the past and he would welcome the opportunity to share some of his knowledge on larger chinese turbines.

Please don't give up on us, this forum is about having fun and a sense of achievement in the art of doing it yourself and sharing it with others. More than half of the replies that I write, I delete before I post them because I struggle with getting the wording right. What I think is a witty offhanded remark someone else may read as offensive.

regards Yahoo
I'm confused, no wait... maybe I'm not...
 
mac46

Guru

Joined: 07/02/2008
Location: United States
Posts: 412
Posted: 12:38pm 13 Feb 2012
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Hello yt2095, and everyone...

Welcome to the forum, you did'nt expect the brassness did you. He's cut my posts on "Yawt, going in a big way", a few times as well. Everyone has their on take on things, hang in there with us. There is always time and appreciation for a different idea, at least with most of us here.

Mac46
I'm just a farmer
 
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