(F-18) vertical stabilizer location

Military aircraft - Post cold war aircraft, including for example B-2, Gripen, F-18E/F Super Hornet, Rafale, and Typhoon.
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hkultala

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Unread post11 Sep 2018, 08:11

Vertical stabilizers on F-18 seems to be positioned relatively forward, much more forward than horizontal stabilizers, almost halfway between the wings and the horizontal stabilizers.

What is the reason for this? Putting it further back would mean higher available control forces?

Does this have something to do with high-alpha performance, the vertical stabilizers getting better airflow when they are more forward?

It seems that also on F-22 and F-35 the vertical stabilizers are much more forward than horizontal than vertical stabilizers, but on these planes there would not be a good "attachment point" for them further back.
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saberrider

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Unread post11 Sep 2018, 09:46

I guess the question should be_ " reason for the aft stabilator position? and it is to have an better arm to work with because the center of gravity very close to lift centrer. F18 Rudders is canted outside because of the big LAREX alongside cockpit and that's help to push it down when aircraft rotate . Having them so advanced to the middle of the a/c is for stability in highalfa maneuver.

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