OV-10 Bronco Krueger Flap

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GESchwarz

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Oct 23, 2007
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Ventura County, California, USofA.
I am always on the look out for "new" ideas in old places. Here's one...the flap of the OV-10 Bronco has a Krueger flap at it's leading edge; a flap on a flap. This is the only plane I know of that has this. I have already drawn this up to go on my plane.
 

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Victor Bravo

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Jul 30, 2014
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KWHP, Los Angeles CA, USA
Oops, I was incorrect :) I thought it was a close-able gap seal. But it sure does look like an augmentor duct. What an interesting idea. Is that your sketch of the mechanism in the attachment?
 
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Victor Bravo

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Jul 30, 2014
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Location
KWHP, Los Angeles CA, USA
I do not believe that the 727 had a Krueger flap that scooped air into a slot in front of the rear main wing flap.

The 727 had a Krueger flap that lowered the leading edge of the entire wing... to create more camber and lift. It was a classic Leading Edge Flap, not a flow augmentor for the trailing edge flap like what is shown in the Bronco images.
 
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