Rudder counterbalance ?

[Ron Van Putte]

On Apr 28, 2005, at 1:37 PM, Gray E Fowler wrote:

> I am in reality recommending getting above that buzz speed that you 
> spoke of, using stiffness. I am proposing that this is an easy thing 
> to do without adding counter weight or building a brick fuselage. My 
> plane never buzzes or flutters, but then again I have never used full 
> throttle while diving at the ground to find my buzz point, which is no 
> doubt there somewhere.
> All of this assumes adequate push rods or pull pull stuff.

Now I think I understand what Gray is referring to.  I have seen some 
of these flimsy creations, which you can't fly at full throttle for 
long and always vertically upward.  No full throttle operation level or 
with the nose down.  Those are simply puny airplanes, which would 
benefit from stiffening.  I saw one pilot give the command for an 
aileron roll and the wings rolled more than 90 degrees before the tail 
started rotating.  That's flimsy!

Ron Van Putte

>
>  " However, I disagree that increased stiffness is the best
>  way to go.  Most of what people call "flutter" is really "control
>  surface buzz", because it is essentially a one-dimensional 
> phenomenon.  
>  Flutter is reserved by experts in the area to refer to oscillatory
>  phenomenon involving two or more degrees of freedom (like wing
>  bending/torsion or wing bending/torsion/aileron deflection)."
>
>
>  Gray Fowler
>  Principal Chemical Engineer
>  Composites Engineering
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