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Noise of sm. wind generators? - Page 2

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Posted by hebintn on October 6, 2007, 1:17 pm

I needed wind speed and direction data for a greenhouse project and
found all I needed compiled for the past 100 years at the NOAA site.


Hope this helps.


Posted by daestrom on October 6, 2007, 4:55 pm

This is good information, but keep in mind its taken 'out in the open'.  So
it won't be the same if you're in rolling hills or don't have a tower that
gets above the local obstructions.  With his trees (40-50 ft), he'd need a
tower at least 65-70 ft tall depending on the blade diameter.


Posted by boustephane on October 5, 2007, 12:01 am
 It is not a good idea to put your wind generator on the roof.  The
noise and vibration of the wind generator can be compared to a heat

By the way a 400W wind generator (for example Air X) will give 400W
only in optimal conditions. however, it can function 24h/day.

Good luck !


Posted by Brian Funk on October 5, 2007, 9:48 pm

I like that it works day or night, but apparently there is going to be a
noise problem!
I guess I had better find a small wind generator running and give it a
listen. For now a little more solar is probably the way to go.


Posted by Arnold Walker on October 7, 2007, 8:30 am

You thought about mounting your windmill tower in a tree.......instead of on
a house.
Of course,you would have to  inch to your windmill treestand up the tree 4
foot every year due to growth.

Of course ,if I was living in the middle of a pine forest which I do ....
I would run gasified biomass with an autostoker like I did for a lot less
than the solar or the wind power.
And for no more than you are talking on wattage. A 3-5hp engine can charge
your battery bank in a hour or so.
But I also have a shop so the steam engine is even bigger for the times you
run the 10KW welder.
(But then if you was thinking about an EV to go with your "green" house.You
would need the same size
powerplant as well.Have your cute little Zap enclosed electric motorcycles
parked in the double garage. )

If you are not getting blade flap(the noise) you are not running any tip
speed for power.
Maybe you should consider going back to a multi blade windmill to increase
the torque instead.
Or .......
Modify a ultra helicopter for high altitude windmill service ......but then
that would be 3to5kw minium in
while autorotating in 30+ mph wind at
The entire country at 15000-30000ft is blowing at 30-120mph
constantly.Unlike surface wind......
Unisys charts are supplied for the entire North America continent with
dopper updates for 300mbar wind.

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