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  0 of 0 people found the following review helpful:
 
DC-540 September 24, 2014
Reviewer: W. Mook from PA United States  
This is a great PMA. It works as advertised and will even power a 9 volt boombox radio by turning a hand crank about 1 revolution per second. One note of caution: Do not plan on using the AC output at 12 volts with a 1:10 transformer since the frequency is only about 18 Herz at 12 volts, not nearly high enough to work.

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  1 of 1 people found the following review helpful:
 
alternator spin and charge September 4, 2014
Reviewer: armando bindo from lubbock, TX United States  
Can this alternator spin clockwise/counterclockwise, and still produce electrical charge in both directions? I am connecting it to a battery. What else do I need to operate it this way?  ANSWER: Yes you can operate it in either a clockwise or counter/clockwise direction.

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  0 of 0 people found the following review helpful:
 
Getting to know the DC-540 August 4, 2014
Reviewer: Andrew Sansom from Haltom City, TX United States  
I bought mine several ago to play with a VAWT idea I have. While the PMA worked perfectly at that time, it came with a 17mm steel rotor shaft that I had a difficult time machining the nut which would connect the center shaft with the PMA. Once I found WindBlue has provided a replacement rotor with a stainless steel shaft and standard fine threads, I ordered one and the project is off of the back burner. Unfortunately when replacing rotor I managed to brake 2 of the stators wire leads. They just don't work the same when soldered back together. Fortunately they offer replacement parts for that as well. I suppose my next review will be on the stator I just ordered.

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  6 of 6 people found the following review helpful:
 
DC 540 March 29, 2009
Reviewer: Dawn Nyaude from Barking, essex United Kingdom  
Works just as you guys say it does, my project is working like a dream and looking forward to doing more business with you.

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  8 of 9 people found the following review helpful:
 
Very Good Product August 28, 2008
Reviewer: Charles Hastedt Sr. from Kemp, TX United States  
I am very happy with the results of your Low Wind 540, after many months of experimenting on various ways to come up with the perfect 12 Volt charging system for low wind, I gave up and choose to try your 540. I took it from the box and went straight to my Volt tester. I couldn't believe the output by only turning it with my fingers, on the 15 volt scale I was getting a half scale reading of 7.5 volts. This is truly the setup for battery systems of any type, it does everything it is advertised to do and more. Thank you WindBlue for this product. (Very Good People To Deal With)
I also bought the NC25A 12V Controler that will work very nicely with my system to prevent battery overcharge.

Charles Hastedt Sr.
Kemp, Tx



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  4 of 5 people found the following review helpful:
 
hydro August 23, 2008
Reviewer: roys ellis from Waihee Valley, Maui,  HI United States  
Built a 40" water wheel utilizing the 300 gpm flow  from the kuleana ditch to my taro loi. Disappointing at first with o less than 60 amphr output into a 12 volt battery bank over 24 hours. After running at 300 rpm for over two weeks, with the same output, output began to slowly rise over a months time to the present 85+ amphrs/day. Extended run in time for the unit, but excellent results.


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  14 of 17 people found the following review helpful:
 
great find, super quality. March 12, 2007
Reviewer: David Rymer from marion, VA United States  
I bought this for my area which is rated for low wind.This is my first wind generator.I made the blades my self, using pvc. I have had it up 2 days but we have only had 0-4 mph winds but it starts turning at 4mph.I cant wait for the first windy day to check out the amps.... I feel I will have great results. All my friends are watching and soon will order one too.

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