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From: mmallory@netcom.com (Mark Mallory)
Subject: Re: 17 misconceptions - The Flight Test
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Date: Mon, 21 Dec 1998 23:41:37 GMT
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Dave Mould (davem@airstrip.demon.co.uk) wrote:
: The g was not nearly as high as in Hilton's experiment or the theory 
: predicts.  So - what was the difference in my experiment?  The trim tab 
: is conventional, 
: though is also a balance tab (moves with elevator so as to reduce forces).

Suspect that your initial trim setting was affected by power (you said 
you were *climbing*); the airflow over the horizontal tail resulting in a 
more *nose-down* trim setting than would otherwise be the case.  Setting 
the trim in an 80 kt *descent* (reduced or zero power) would result in a 
more *nose-up* setting, which in turn would result in greater 
acceleration at the higher speed.

