Bergey 10 kW & Grid Tek [RE-wrenches]

[David Blittersdorf]

Travis,

Go with the 4.4 m/s lower numbers and put in the tallest tower you can. 
Try to get 60' above all obstructions within a 500' radius.

Regards,

David Blittersdorf

On 3 Dec 2001 at 18:04, Travis Creswell, Ozark Solar wrote:
> Thanks David,
> 
> I knew that one of the Wrenches had the machine that Bergey pictures on it's
> brochures but wasn't sure who.
> 
> I've played around with WindCad and came up with the following numbers
> 4.4 m/s (bottom of class 2) results in annual production of 12,057 kWh's
> 5.1 m/s (bottom of class 3) results in annual production of 17,091 kWh's
> 5.5 m/s (top of class 3) results in annual production of 19,091 kWh's
> 
> The customer will be OK even with the 12,057 kWh's.  I appreciate your
> confirming that it had not been a problematic machine for you.  I think I
> will post on the marketing page as I'm looking for some good ideas to use
> this for advertising.  The customer is very open to me using his
> installation as promotion for my company (in fact, he suggested it).
> 
> Thanks
> Travis
> ----------
> >From: David Blittersdorf <davidb at nrgsystems.com>
> >To: RE-wrenches at topica.com
> >Subject: Re: Bergey 10 kW & Grid Tek [RE-wrenches]
> >Date: Mon, Dec 3, 2001, 10:58 AM
> >
> 
> >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
> >
> 
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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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