are you happy with your wind turbine?

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are you happy with your wind turbine? tg 01-18-2007
Posted by adm on January 20, 2007, 4:10 pm
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>
>
>> Not right now as we've just moved into a new house and I am in the
>> process of gaining Planning Permission for a 15m tower that will carry a
>> 3kW turbine
>
> that sounds good. Any chance of seeing some pics when it's up and running?

For sure.



Posted by tg on January 20, 2007, 6:08 pm
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>
>>
>>
>>> Not right now as we've just moved into a new house and I am in the process
of gaining Planning Permission for a 15m tower that
>>> will carry a 3kW turbine
>>
>> that sounds good. Any chance of seeing some pics when it's up and running?
>
> For sure.

okay, make a note of my email addy: tonj at freeuk dot com. Please let me know
when you've got pics. Thanks.



Posted by wmbjk on January 19, 2007, 6:41 pm
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>Personally, I don't think using a bigger turbine will give you much
>benefit - you will still have the same wind resource and it seems that
>there's not enough to give you the maximum benefit of the turbine you
>already have.

I disagree. If he doubles the swept area, he can reasonably expect
about double the output, no matter the location. If it were me, I
think I'd also add a telescoping section to the pole, and raise the
turbine incrementally to either the structural limit, or until
somebody complains. ;-)

Wayne

Posted by tg on January 20, 2007, 4:59 am
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>
>>Personally, I don't think using a bigger turbine will give you much
>>benefit - you will still have the same wind resource and it seems that
>>there's not enough to give you the maximum benefit of the turbine you
>>already have.
>
> I disagree. If he doubles the swept area, he can reasonably expect
> about double the output, no matter the location. If it were me, I
> think I'd also add a telescoping section to the pole, and raise the
> turbine incrementally to either the structural limit, or until
> somebody complains. ;-)

that's what I thought - a bigger turbine will bring in more power, irrespective
of the poorness of the location. But I can't see a
telescopic pole working. It wouldn't be strong enough to hold a bigger turbine
against stormy winds - unless you know of a
particular product that could withstand such stresses. It would have to be an
extremely well made piece of kit. The pole I use is a
2inch stainless steel pipe of 5mm wall thickness and even that sometimes wobbles
and bends a bit in strong winds.




Posted by wmbjk on January 20, 2007, 6:20 pm
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wrote:

> I can't see a
>telescopic pole working. It wouldn't be strong enough to hold a bigger turbine
against stormy winds - unless you know of a
>particular product that could withstand such stresses. It would have to be an
extremely well made piece of kit. The pole I use is a
>2inch stainless steel pipe of 5mm wall thickness and even that sometimes
wobbles and bends a bit in strong winds.

Some bending is tolerable. For example, I see lots of Air 403s on 20
ft. poles without guy wires. If some additional height on your pole
takes the form of a larger diameter pipe telescoped over the existing
one (assuming the larger diameter is sufficient for the new turbine),
then the stresses will be concentrated on the overlapped portion.
Perhaps you could reinforce that area.

Wayne

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