RC Gliders, Sailplanes and Slope Soaring Discuss rc gliders,rc sailplanes and slope soaring in this forum. Thermaling techniques, airfoils, tips, etc

Snap flaps

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Old 12-11-2015, 08:50 AM
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bipe22
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Default Snap flaps

HOW TO SET UP ON dx6 BLACK
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Old 12-12-2015, 10:01 AM
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I've been flying sailplanes for a long time, never heard the term snap flaps. Care to define?
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Old 12-12-2015, 05:36 PM
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bipe22
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Originally Posted by speedracerntrixie View Post
I've been flying sailplanes for a long time, never heard the term snap flaps. Care to define?

Elevator to flap mixing: program the flaps to move at a 35% the rate of the elevator, when elevator pulls up, both ailerons move down, and vice versa.
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Old 12-13-2015, 04:52 PM
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To what end result ? just curious .
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Old 01-25-2016, 03:08 AM
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Originally Posted by jetmaven View Post
To what end result ? just curious .
Its for 3D slope glider flying[called VTPR in Europe--slow aerobatics close to the ground]
Its not very popular, as its done with very little speed and very odd shaped gliders.
But requires great concentration and skilled management of airspeed to perform well.
These gliders are 'very' light wt[ex, 1.2m glider of apx 300grams]

The snap flaps allow the glider to rotate around the axis of the wing both foreward and backwards.
As well as tighter turns.

SS

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Old 01-25-2016, 10:45 AM
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Also for other gliders and special in inverted flying it help to change the airfoil and give less drag.

https://www.youtube.com/watch?v=-iii-LNMnHE Flying:
https://www.youtube.com/watch?v=PACpiXrF6YU Cheers
Soren
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