Why F16 flaperons angle for up position is 23 and down 21?

Always wondered why the F-16 has a tailhook, or how big a bigmouth F-16's mouth really is ? Find it out here !
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saberrider

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Unread post09 Mar 2018, 15:53

Why F16 flaperons angle for up position is more than down position if chamber is similar in curvature?
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johnwill

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Unread post10 Mar 2018, 05:22

Above 1.05 mach, neutral position of flaperons is 2 deg up. Purpose is to move center of lift forward, which reduces tail trim load, trim drag, wing load, and fuselage load. 23 deg up limit therefore still allows 21 deg of flap movement in a roll command.
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saberrider

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Unread post10 Mar 2018, 06:19

Thank you . I believed 'til now it is that way to compensate for the biger dragg of the down aileron when rolls are made not t o alleviate tail and fuselage.

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