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Forum Index : Windmills : Angle of attack

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CB365
Newbie

Joined: 28/10/2007
Location: Australia
Posts: 8

Posted: 05:05am 27 May 2008

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Hi,

I have finally got around to getting a set of the chinese blades to try out.
From experience can someone let me know what the best angle of attack is to suit these blades.

Cheers
CB365

Gill

Senior Member

Joined: 11/11/2006
Location: Australia
Posts: 669

Posted: 11:15am 27 May 2008

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G'day CB365,
Angle of attack is often around 4 or 5 degrees. But for mine, I reasoned because the angle of attack gets progressively larger towards the root because there is no blade twist, I reduced it to 2 degrees. This makes for a blade angle at the tip (and all the way along their length) of about 7 degrees.
I'm happy with the result.

was working fine... til the smoke got out.
Cheers Gill _Cairns, FNQ

CB365
Newbie

Joined: 28/10/2007
Location: Australia
Posts: 8

Posted: 11:39pm 27 May 2008

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Thanks Gill. I will give 7deg a try.

Cheers
Chris

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