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Tony,

I know this is not an airplane but the CH-47D has such sensitive controls
for in flight that the aircraft has a squat switch that switches the
computer control inputs to half gain for ground taxi.

I am sure they can do something like this on the big birds above a certain
speed.

Fred
"Tony" wrote in message
news:eL598.2589$0c.102343@news2.east.cox.net...
> The F-111s and A-10s Ive worked on have yaw limiters that restrict
> movement (roughly 1/2 ) past certain airspeeds. Wouldnt this work, if the
> pilot could turn it off if need be, in an emergency? Then again,
composites
> are good for a lot of applications, but maybe weve found the limits, with
> tragic results.(I remember when Honeycomb construction was "New", so what
> the hell do I know...)
> Tony W
> PP-ASEL
>
> "Orval Fairbairn" wrote in message
> news:080220021702209447%orfairbairn_Spam_Sucks@earthlink.net...
> > In article , "Roger Long"
> > wrote:
> >
> > > Take a look at CNN. The NTSB is saying that the pilot of any airliner
> can
> > > tear the vertical fin off with excess control movements and there was
> > > nothing wrong with the plane that lost one over NY. More pilot
training
> is
> > > needed; not stronger fins.
> > >
> > > But, at the relativly low speeds of climb out? Come on.
> > >
> > > If I keep my Skyhawk at Va which is roughly a fast climb, I can make
> full
> > > and abrupt control inputs. Its hard to believe that airliners would
be
> > > engineered to a lesser standard.
> >
> >
> > According th the article in Aviation Week about 3 weeks ago, the
> > certification standards are good only for neutral rudder deflection,
> > not full opposite rudder when in a sideslip. The charts showed that
> > full deflection opposite to a yaw caused by max deflection ruddr would
> > exceed the structural design of the fin.
> >
> > The article also pointed out that Boeing designs for at least some
> > opposite rudder deflection in the same circumstances, but the
> > certification standards encompass only neutral deflection.
> >
> > IOTW, the Airbus meets inadequate certification standards, but it will
> > not endure some of the procedures taught for wake vortex recovery.
>
>
>

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