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| Alternative Energy Discussion relating to the design and implementation of alternate energies. |
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18th February 2008, 04:21 AM
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| Experienced Member   |  wind generator!! i have bought a dc motor 12 v. but the problem is that when i use the hair dryer to rotate the fan it only generated a max of 3 v!!! is there any ways  to increase the output. i will give the schematic of a simple wind generator in m next post. and what is the price of a solar cell which one can use to charge 1.5v batteries.
__________________ i would explain it to you but it would make your brain explode!  |
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18th February 2008, 05:19 AM
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| Experienced Member | Get a 12v motor that is designed to run at a lower RPM or use a 24V motor.
__________________ --- The days of the digital watch are numbered. --- |
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19th February 2008, 05:20 AM
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| Experienced Member   | Or one with a separately exicted field, like a car alternator. For that matter, just use a car alternator.
__________________ I thought what I'd do was I'd pretend I was one of those deaf-mutes. |
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21st February 2008, 02:56 PM
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| Experienced Member    | yea I got me a car alternator but I'm not sure how to connect it up how can I find out ? I was thinking of making it a wond job too
__________________ I AM the exeption that disproves the rule in many ways but the rules still apply (unfortunately) my site:www.simons-photography.com http://rushdenrotaract.org.uk see also http://www.bigstockphoto.com/account...fid=m2URATYch5 http://www.redbubble.com/people/simonsphotography |
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21st February 2008, 03:23 PM
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| Experienced Member  | You will only get usable energy with a biggish rotor. A 1M diameter windmill will generate around 100W. A ½M around 25W, ¼M around 6W. These are all in a good wind and with a well designed windmill. Mike. |
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21st February 2008, 03:25 PM
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21st February 2008, 03:27 PM
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| Experienced Member | thanks I'll look into that what about the actualy alternator connections ?
__________________ I AM the exeption that disproves the rule in many ways but the rules still apply (unfortunately) my site:www.simons-photography.com http://rushdenrotaract.org.uk see also http://www.bigstockphoto.com/account...fid=m2URATYch5 http://www.redbubble.com/people/simonsphotography |
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21st February 2008, 04:39 PM
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| Experienced Member | alternators will require a bridge circuit and the output voltage will be high. i do have some hair dryer motors availible but i try to avoid ac power(specially 220v!!!)
__________________ i would explain it to you but it would make your brain explode! |
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21st February 2008, 04:46 PM
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| Experienced Member | bridge as in rectifier ? that should already be on it
__________________ I AM the exeption that disproves the rule in many ways but the rules still apply (unfortunately) my site:www.simons-photography.com http://rushdenrotaract.org.uk see also http://www.bigstockphoto.com/account...fid=m2URATYch5 http://www.redbubble.com/people/simonsphotography |
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21st February 2008, 04:56 PM
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| Experienced Member | Please read the site I posted. Hair dryers, LOL. Mike. |
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