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Subject Author Date
Wind turbine towers Drew Cutter 06-30-2008
Posted by on July 2, 2008, 9:40 am
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 On Wed, 2 Jul 2008 09:39:41 +0000 (UTC), Drew Cutter


>>>> wmbjkREM...@citlink.net wrote:
>>>>> On Mon, 30 Jun 2008 15:40:46 +0000 (UTC), Drew Cutter
>>>>>> Need some names of some mfg. for tower that would allow you to work on
>>>>>> them from the ground . Easy to put up.
>>>>> You can find details on typical folding, guyed towers here
>>>>> http://windenergy.com/products/towers/whisper_tower.htm.
>>>>> Wayne
>>>> I decided to go with burgey turbine or skystream . But with the
>>>> skystream i understand that all the hardware is built into the turbine ?
>>>> vs the burgey that has the inverters ,etc in my basement ?
>>> I don't know much about either. Isn't the Bergey much larger? Anyway,
>>> here's a link to the Skystream
manual.http://www.windenergy.com/documents/manuals/3-CMLT-1054_Skystream_Man...
>>>
>>> Bergey's is "pending"http://www.bergey.com/Technical.htm.
>>>
>>> Wayne

>I have not seen a bergey . How does size matter ? cost ? more efficient
>? between the two ( bergey vs skystream? )

The Bergey grid-tie unit appears to be 10kW, 22' rotor diameter
compared to 2kW and 12' for the Skystream (3.4 times less swept area).
There's obviously going to be a substantial difference in tower,
installation requirements, and price. You'll need to do a full
cost-benefit analysis to decide which is better for you. BTW, those
two are grid-tie only, but you can connect *any* turbine to the grid
if you use a battery-based grid-tie inverter setup. Which would give
you backup power as well.

Wayne

Posted by Drew Cutter on July 2, 2008, 3:52 pm
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 wmbjkREMOVE@citlink.net wrote:
> On Wed, 2 Jul 2008 09:39:41 +0000 (UTC), Drew Cutter
>
>
>>>>> wmbjkREM...@citlink.net wrote:
>>>>>> On Mon, 30 Jun 2008 15:40:46 +0000 (UTC), Drew Cutter
>>>>>>> Need some names of some mfg. for tower that would allow you to work on
>>>>>>> them from the ground . Easy to put up.
>>>>>> You can find details on typical folding, guyed towers here
>>>>>> http://windenergy.com/products/towers/whisper_tower.htm.
>>>>>> Wayne
>>>>> I decided to go with burgey turbine or skystream . But with the
>>>>> skystream i understand that all the hardware is built into the turbine ?
>>>>> vs the burgey that has the inverters ,etc in my basement ?
>>>> I don't know much about either. Isn't the Bergey much larger? Anyway,
>>>> here's a link to the Skystream
manual.http://www.windenergy.com/documents/manuals/3-CMLT-1054_Skystream_Man...
>>>>
>>>> Bergey's is "pending"http://www.bergey.com/Technical.htm.
>>>>
>>>> Wayne
>
>> I have not seen a bergey . How does size matter ? cost ? more efficient
>> ? between the two ( bergey vs skystream? )
>
> The Bergey grid-tie unit appears to be 10kW, 22' rotor diameter
> compared to 2kW and 12' for the Skystream (3.4 times less swept area).
> There's obviously going to be a substantial difference in tower,
> installation requirements, and price. You'll need to do a full
> cost-benefit analysis to decide which is better for you. BTW, those
> two are grid-tie only, but you can connect *any* turbine to the grid
> if you use a battery-based grid-tie inverter setup. Which would give
> you backup power as well.
>
> Wayne
Yes there is quite a difference in price , around 10,000 .

Posted by Jim Wilkins on July 1, 2008, 7:19 am
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> Need some names of some mfg. for tower that would allow you to work on
> them from the ground . Easy to put up.

crank-up towers

Posted by Drew Cutter on July 1, 2008, 7:39 am
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Jim Wilkins wrote:
>> Need some names of some mfg. for tower that would allow you to work on
>> them from the ground . Easy to put up.
>
> crank-up towers
Could you supply a name of a crank up tower.

Posted by Vaughn Simon on July 1, 2008, 12:15 pm
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> Jim Wilkins wrote:
>>> Need some names of some mfg. for tower that would allow you to work on
>>> them from the ground . Easy to put up.
>>
>> crank-up towers
> Could you supply a name of a crank up tower.

EZ-Way towers, Aluma Towers and others. (Not sure of formatting of EZ-Way name,
but I am close) Look on amateur radio boards for used, such as;
http://forums.qrz.com/showthread.php?t=162745 or the usual web resources for
new.

Remember that a wind turbine will present a high wind load to the tower. You
will likely need guy wires even if the tower is advertised as "self supporting".

Vaughn (WB4UHB)



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