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ELEVATOR-FREE NEUTRAL POINT
It is evident from the preceding comment that the NP of a tailed aircraft when the elevator is free is given by (2.3,23) as
(2.6,10)
Alternatively, we can derive the NP location from (2.6,5b), for we know from (2.3,5) that
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(a)
Since CmSe is of different form for the two main types of aircraft, we proceed separately below.
