Residential small vertical axis wind turbine

Would anybody know of a reliable vertical axis wind turbine company selling units in Australia?

On Dec 22, 12:43 am, "$cienceboy" wrote:

harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia?
They're very inefficient. That's why no-one makes them. Just get an ordinary one.
The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT.
I am also looking at constructing my own system with perm magnets and a 3 phase system.

It sounds like you're close to a large building/tree/etc. That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while.

harry wrote:

On Dec 22, 12:43 am, "$cienceboy" wrote: harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia? They're very inefficient. That's why no-one makes them. Just get an ordinary one. The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT.
I am also looking at constructing my own system with perm magnets and a 3 phase system.
It sounds like you're close to a large building/tree/etc. That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while.

Thanks Harry,
Where I live is very flat with strong westerly winds 80% of the time. The highest building blocking the wind is only 4 meters high. This is over 40 meters away. I have had an anemometer reading the wind for the last 6 months with excellent results in that location averaging 7m/s daily.
David

On Dec 22, 9:18 pm, "$cienceboy" wrote:

harry wrote: On Dec 22, 12:43 am, "$cienceboy" wrote: harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia? They're very inefficient. That's why no-one makes them. Just get an ordinary one. The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT.
I am also looking at constructing my own system with perm magnets and a 3 phase system.
It sounds like you're close to a large building/tree/etc. That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while.
Thanks Harry,
Where I live is very flat with strong westerly winds 80% of the time. The highest building blocking the wind is only 4 meters high. This is over 40 meters away. I have had an anemometer reading the wind for the last 6 months with excellent results in that location averaging 7m/s daily.
David

Where do you live? That seems pretty exceptional.

On Dec 24, 1:56�pm, harry wrote:

On Dec 22, 9:18 pm, "$cienceboy" wrote:


harry wrote: On Dec 22, 12:43 am, "$cienceboy" wrote: harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia? They're very inefficient. �That's why no-one makes them. Just get an ordinary one. The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT.
I am also looking at constructing my own system with perm magnets and a 3 phase system.
It sounds like you're close to a large building/tree/etc. �That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while.
Thanks Harry,
Where I live is very flat with strong westerly winds 80% of the time. The highest building blocking the wind is only 4 meters high. This is over 40 meters away. I have had an anemometer reading the wind for the last 6 months with excellent results in that location averaging 7m/s daily.
David
Where do you live? That seems pretty exceptional.

There are some that say that 15.7 miles/hour (7 meters/sec) is the minimum for good turbine siting for the big ones, farm and residential ones can go with less.. http://www.dnr.mo.gov/energy/renewables/wind-energy.htm

On Dec 25, 6:47�pm, "$cienceboy" wrote:

harry wrote: On Dec 22, 9:18 pm, "$cienceboy" wrote: harry wrote: On Dec 22, 12:43 am, "$cienceboy" wrote: harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia? They're very inefficient. �That's why no-one makes them. Just get an ordinary one. The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT. I am also looking at constructing my own system with perm magnets and a 3 phase system. It sounds like you're close to a large building/tree/etc. �That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while. Thanks Harry,
Where I live is very flat with strong westerly winds 80% of the time. The highest building blocking the wind is only 4 meters high. This is over 40 meters away. I have had an anemometer reading the wind for the last 6 months with excellent results in that location averaging 7m/s daily.
David
Where do you live? That seems pretty exceptional. Hi Scienceboy,l 7m/s is pretty good for average wind speed!, I've been developing a

VAWT for the the last two years and are about to put up my first set of helical blades up for testing, as a mech engineer/naval architect the complexity of designing a VAWT for residential use cannot be underestimated!, there are a lot of dreamers out there who are the latest re-encarnation of the ol' snake oil salesmen, However, I think there are enough people applying themselves to developing a real product that there will be a few products hitting the market in 2009. I'm not sure if anyone is currently selling a VAWT in OZ, but give me 6 months and I might have something, Cheers Jason@windsystems.com.au

Hello Harry,
I live about 30 kms west of the city of Melbourne Australia in a suburb called Tarneit. it is very flat and close to shore with minimal obstacles of any height.
David

harry wrote:

On Dec 22, 9:18 pm, "$cienceboy" wrote: harry wrote: On Dec 22, 12:43 am, "$cienceboy" wrote: harry wrote: On Dec 21, 5:16 am, "$cienceboy" wrote: Would anybody know of a reliable vertical axis wind turbine company selling units in Australia? They're very inefficient. That's why no-one makes them. Just get an ordinary one. The HAWT type require too much maintentance in my experience thats why I am looking at the VAWT system as my backyard is tiny (500sq ft) and wind direction varys a lot for a HAWT. I am also looking at constructing my own system with perm magnets and a 3 phase system. It sounds like you're close to a large building/tree/etc. That being the case, hardly seems worth the effort. Windmils need no-turbulance- wind (ie laminar flow) to be worth while. Thanks Harry,
Where I live is very flat with strong westerly winds 80% of the time. The highest building blocking the wind is only 4 meters high. This is over 40 meters away. I have had an anemometer reading the wind for the last 6 months with excellent results in that location averaging 7m/s daily.
David
Where do you live? That seems pretty exceptional. Hello Harry,

I live about 30 kms west of the city of Melbourne Australia in a suburb called Tarneit. it is very flat and close to shore with minimal obstacles of any height.
David