Wind power! Any body know anything about it?

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Wind power! Any body know anything about it?

Postby Melee » 01 Mar 2009, 20:45

Hello, any tech head out there who can suggest a wind turbine to keep my batteries charged up whilst out camping (Well i say camping, really i just want to power my stereo through the night at a few parties etc!)-something portable that i can put up and down easily.
I know a bit about electrics from a past career, so not such a novice,...but pointers where i can buy such a unit and/or any idea's on efficiency would be ideal (i would like to power stereo & 1200Wish amp and may a light although i can use a touch i guess).
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Re: Wind power! Any body know anything about it?

Postby VWCamperfan » 01 Mar 2009, 20:48

You are gonna need something a lot bigger than you can move around if you want that sort of power!
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Re: Wind power! Any body know anything about it?

Postby Melee » 01 Mar 2009, 21:07

ok, perhaps forget the amp bit...that was pushing it a bit-just something to power the stereo-or top up the battery :lol:
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Re: Wind power! Any body know anything about it?

Postby dink » 01 Mar 2009, 21:31

I've read in MMM magazine a few years ago about using cordless drills
I very much doubt you'd get enough to power your amp though
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Re: Wind power! Any body know anything about it?

Postby tonytech » 01 Mar 2009, 22:05

Maplin Electronics do this.
http://www.maplin.co.uk/Module.aspx?ModuleNo=224964

I'm sure there are lots of other suppliers.

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Re: Wind power! Any body know anything about it?

Postby busbas » 01 Mar 2009, 22:25

they have that sort of thing on yachts - perhaps an on line chandlers would be a place to look
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Re: Wind power! Any body know anything about it?

Postby Red Westie » 02 Mar 2009, 00:02

Five and a half hundred quid for a rated 85watts hmmm and it's 1metre diameter so not the most portable thing.
I've often wondered why there isn't an alternator kit.. "pooh"! I just gave away my 10 million pound idea! to turn scrapyard alternator into a wind turbine..it would need to be geared up a bit (to make the alternator rotor turn 5-10 times faster than the turbine) but I reckon if someone came out with a DIY kit...with universal fixing brackets for common alternator types....wayhay. Lets face it, it's already fitted with a regulator and is rectified for DC charging (car batteries) car alternators are reliable and cheap...well if someone makes a mint off this idea I want royalties.
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Re: Wind power! Any body know anything about it?

Postby jamesc76 » 02 Mar 2009, 07:24

Red Westie wrote:Five and a half hundred quid for a rated 85watts hmmm and it's 1metre diameter so not the most portable thing.
I've often wondered why there isn't an alternator kit.. "pooh"! I just gave away my 10 million pound idea! to turn scrapyard alternator into a wind turbine..it would need to be geared up a bit (to make the alternator rotor turn 5-10 times faster than the turbine) but I reckon if someone came out with a DIY kit...with universal fixing brackets for common alternator types....wayhay. Lets face it, it's already fitted with a regulator and is rectified for DC charging (car batteries) car alternators are reliable and cheap...well if someone makes a mint off this idea I want royalties.
Martin


I made one a while back to trail on my dads boat it wasnt very good and the gearing to get it to go fast enought was a pain, to get it to work the blades were iirc 80cm!
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Re: Wind power! Any body know anything about it?

Postby Davy MacLean » 02 Mar 2009, 07:48

Have a look at the ones fitted to the roadside signs these daysthat's about the size you'd need you could alawys pilfer one if it happens to be out in the sticks as well :twisted:
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Re: Wind power! Any body know anything about it?

Postby Rozzo » 02 Mar 2009, 07:48

a little super silent genny would be a better option i reckon :wink: the problem with the wind turbines is as mentioned, in order to get meaningful power from them they have to be pretty massive.
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Re: Wind power! Any body know anything about it?

Postby mrhutch » 02 Mar 2009, 09:33

I tried this a while ago... the problem with using alternators is that as soon as there is a 'load' on the circuit, the alternator becomes too difficult to turn. Thats why domestic wind turbines don't use the same coil and magnets - emf system as in alternators.. they have a differnet type of coil - magnet setup...

clear as mud... hope so!
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Re: Wind power! Any body know anything about it?

Postby tonytech » 02 Mar 2009, 09:49

Have a look at
http://www.instructables.com/
Do a search for wind generator.

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Re: Wind power! Any body know anything about it?

Postby ju » 02 Mar 2009, 10:42

I have seen that you can fashion wind turbines out of the old type sturmey archer hubs and even the bottle type generators that used to fit to the back wheel of bikes and turn on the side of the tyre.
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Re: Wind power! Any body know anything about it?

Postby mrhutch » 02 Mar 2009, 11:13

wow... http://www.instructables.com is a fantastic site.. cheers Tony, now I'll be doing NO work all day!
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Re: Wind power! Any body know anything about it?

Postby Therunner » 02 Mar 2009, 15:30

I have seen that you can fashion wind turbines out of the old type sturmey archer hubs and even the bottle type generators that used to fit to the back wheel of bikes and turn on the side of the tyre.


I have a booklet somewhere with detailed plans for this, it's one of many things I've never got around to actually doing!

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