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HelicopterMain Discussion › Any of you guys fly near wind turbines?
08-11-2007 01:57 PM  10 years agoPost 1
RayJayJohnsonJr

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Midwest

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Looks like come next year I'm going to have some wind turbines (about 50) in my back yard. The closest one will be about 1200' away, so I'm told. At 1200', it's not going to pose a physical flight hazard for us, but was wondering about RF? We do most of our flying out of the back yard. Anyone here have to deal with this?

Thanks!

-Mark

There, their and they're. It's really that simple.

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08-11-2007 03:22 PM  10 years agoPost 2
SSN Pru

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Taxachusetts

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http://www.ecwag.org/Research_Interference.php

I did a lot of research on them in college a few years back but never considered the RF impacts as most people dont really care about it.

Stupidity can be cured. Ignorance is for life!

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08-11-2007 03:43 PM  10 years agoPost 3
Leif

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USA

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I don't think it'll be a problem, but shouldn't you be worried about the wind? Naturally if your flying site is getting windmills installed you must already realize that it's REALLY WINDY there most of the time?

I recently visited the East Bay Radio Controllers field in Livermore California. The hill just adjacent to the field is lined with several dozen wind turbines. I didn't discuss the potential RF issue with the pilots who were there, but the club members still fly there and nobody mentioned any issues.

EBRC Field. If you look at the panorama picture shown at the bottom of the page, the whole hilltop to the right of the runway is now lined with wind turbines.

Leif

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08-11-2007 04:12 PM  10 years agoPost 4
SSN Pru

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Taxachusetts

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REALLY WINDY there most of the time?
while lots of wind all the time can make a good site for a turbine farm, they dont necessarily require high winds to run. If I remember correctly, they only require winds at aroun 10-13 mph to start making electricity.

most wind farms that big though have been well planned out and are going to have higher winds on a regular basis.

one thing though, the poster said originally that the wind farms are coming to his site, he isnt going to the wind farm site. that means that he's been flying there already for sometime.

Stupidity can be cured. Ignorance is for life!

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08-11-2007 04:15 PM  10 years agoPost 5
RayJayJohnsonJr

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Midwest

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Leif,
I don't think it's as windy here as it is in alot of places, but must be enough that they think it makes sense to put up a 'farm'. How close to the East Bay Radio Controllers flying area would you say the windmills are? How close is the closest one?

-Mark

There, their and they're. It's really that simple.

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08-11-2007 04:18 PM  10 years agoPost 6
w.pasman

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Netherlands

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They just put a huge one at the end of our field
it's not yet running and my main worry would be turbulence.
Windmills should not create radio waves .

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08-11-2007 04:26 PM  10 years agoPost 7
RayJayJohnsonJr

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Midwest

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Windmills shouldn't, but them electric generators they're turning sure as heck could.

-Mark

There, their and they're. It's really that simple.

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08-11-2007 04:45 PM  10 years agoPost 8
Leif

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USA

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How close is the closest one?
I'm not sure. I only visited the site once, so I don't have an accurate estimate.

Looking at the picture of the site, I would guess anywhere from 1200' to 1500' for the closest one. The whole ridge was lined with them.

Leif

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08-12-2007 06:32 AM  10 years agoPost 9
w.pasman

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Netherlands

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electric generators they're turning sure as heck could.
Agreed.
So the question is whether they are sticking to the EM emission norms. I would hope so yes...

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08-12-2007 02:55 PM  10 years agoPost 10
KC

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WA

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I literally flew around these wind turbines over a period of about 4 months,

no RF issues in that time. although the one in the picture is not generating, I have flown much closer than 1200' to generating units without RF issues.

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08-12-2007 03:00 PM  10 years agoPost 11
RayJayJohnsonJr

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Midwest

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Thanks KC, good to know. I'm all for 'green', was hopeing I could still co-exist.

-Mark

There, their and they're. It's really that simple.

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08-12-2007 07:53 PM  10 years agoPost 12
robhurlin

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Pretoria, South​Africa

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There will be a spiral of turbulence downstream. My guess would be it would propogate about 5 diameters. Don't get too close in a strong wind!!

Rob.

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08-12-2007 10:42 PM  10 years agoPost 13
SSN Pru

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Taxachusetts

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There will be a spiral of turbulence downstream. My guess would be it would propogate about 5 diameters. Don't get too close in a strong wind!!
that would be true if the wind mill were blowing the wind but its not, the wind is powering the turbine....

What you have described is propeller wash and occurs if the propeller is imparting momentum to the air around it. Its not.

The most problem downstream that I can see is some turbulence.

Stupidity can be cured. Ignorance is for life!

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08-13-2007 10:36 AM  10 years agoPost 14
Chook

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Esperance Western​Australia

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We hade one tower struck by lightning in a storm and the local shire recovered half of one blade 2 km away in the bush.

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08-13-2007 11:38 AM  10 years agoPost 15
felix12

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Wales, UK

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I live in Wales and just for fun we fly our scale graupner bolkow thru the blades of the turbine whilst they are turning! It really impresses the locals!

(just joking)

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