On 07/03/2007 03:23 PM, Berndt, Jon S wrote:
> You didn't write what you meant - that is, your statements (as written)
> were backwards for yaw and pitch. Instead of referring to rudder or
> elevator (physical aerosurface) deflection, you should have referred to
> pilot control stick/yoke inputs.
I stand corrected. Thanks.
In somewhat pedantic detail, here's what I meant:
-- Positive deflection of the cockpit roll control (stick R) creates
a positive rolling moment, positive around the +X axis, i.e. roll to
the right;
-- Positive deflection of the cockpit yaw control (R pedal down) creates
a positive yawing moment, positive around the +Z axis, i.e. yaw to the
right; and
-- Positive deflection of the cockpit pitch control (stick Aft) creates
a positive pitching moment, positive around the +Y axis, i.e. nose up.
... and likewise for the trim.
=========================
Also, no matter which way you look at,
*) physical aerosurface rotation about its hinge, or
*) motion of the whole aircraft,
the fact remains that FG at present is inconsistent; it uses one polarity
convention for pitch control and another for yaw control.
The "flipper" patch makes it possible to present a consistent convention
to the pilot.
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