[net.aviation] Instability for control

wanttaja@ssc-vax.UUCP (Ronald J Wanttaja) (09/28/84)

>  Destabilizing an aircraft for improved performance is the latest leap
>  in aircraft technology.  Of course, the triple redundant control system
>  is needed since a failure of a systems would make the aircraft impossible
>  to control.  

Yes, well, if you run your reference point for "latest" back to about 1903 
or so.  The Wright brothers used a canard configuration BECAUSE it was
inherently unstable... they wanted an aircraft that could be controlled.
If I remember right, they were concerned about excessive stability that
was a result of aft-mounted stabilization surfaces.  And realize, they 
also had Fly-By-(piano) Wire control  |-).

The Wrights did decide that properly designed "Arrow Stability" (the term
for it, back then) allowed sufficient control, and left the canard 
configuration (dare I say it?) behind in the Wright B model. 

						     Ron Wanttaja
						     (ssc-vax!wanttaja)

"Don't give me a P-38
with engines that counter-rotate,
It'll loop, roll, and spin...
And then auger right in,
Don't give me a P-38"

I'm not serious... I'll take any P-38s offered...