Bergey 10 kW & Grid Tek [RE-wrenches]

[David Blittersdorf]

Travis,

The 10kw Excel is a proven wind turbine. I have one at my house in Charlotte, 
Vermont (the gray Colonial house on Bergey's website). I have been in the wind 
business for over 20 years and am a mechanicial engineer used to design wind 
turbines. Installed over 2 years ago and I have the GridTek inverter.

A caution on using wind maps to project your output. I would be very conservative and 
project lower output unless you have some local wind data to back up the map 
numbers. I have a 9.5 mph site and the system produces the claimed energy output. 
Your class 3 may be a low class 2 if the exposure is not good. 

David Blittersdorf

On 3 Dec 2001 at 8:57, Travis Creswell, Ozark Solar wrote:
> Hello All,
> 
> Amazingly enough, I have sold a 10kW Bergey machine (Excel-S Grid Tek 10). What
> does any of you who have studied, sold, installed or maintained these have to
> say about them?  The customer is ready to give me deposit but I have not ordered
> the machine until I can feel better about it.
> 
> Bergey has a great reputation and if I'm not mistaken the wind machine and
> the Grid Tek both have 5 years warranties.    The customer if fully aware
> that this is not a net metering state.  They are very interested in using
> R/E to produce all of their energy.  They avg. 1200 kWh month in a total
> electric non air conditioned passive solar home.  The bulk of their energy
> goes to drying the herbs they grow on a small commercial scale.
> 
> We are in a class 3 wind area at 1100 ft above sea level and will be using a
> 100' tower.  According to Bergey's WinCad software the machine should average
> 1600 kWh's month.  (wow!)
> 
> Thanks for your input.
> 
> Travis
> 
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David Blittersdorf
NRG Systems, Inc.
110 Commerce Street
Hinesburg, VT 05461 USA
Tel: 802-482-2255
Fax: 802-482-2272
email: davidb at nrgsystems.com
Web:http://www.nrgsystems.com

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