airbrakes or crow brakes for 2m powered thermal wing - RC Groups
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Feb 24, 2008, 06:53 AM
Crazy Cessna Owner
Robbie d's Avatar

airbrakes or crow brakes for 2m powered thermal wing

Hey guys,
I've designed a 2m flying wing, for thermalling and not so much speed.
The places I fly from I struggle to get a standard 2m sailplane down. are airbrakes or crow braking (flaps and ailerons opposed) better to get this thing down where i want it?
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Feb 27, 2008, 02:05 PM
Will work for foam
wingnutt's Avatar
robbie- yep, crow brakes (inner flaps down and elevons up) will allow you to drop it comfortably into a tight spot at a high decent angle under full control. use the outer 60% of each wing half as the elevons and what ever is left over on the inside as flaps.
Mar 04, 2008, 06:36 AM
I eat only vegetarian beef
Skycruiser's Avatar
Just happened upon this one. Check out the April 2006 edition of RCSD, there's an article on four surface planks in it.

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