"Greg Esres" wrote in message
...
BUT, there are 2 things (at least) which contribute to the setting
of Va in the first place.

Neither one of the things you mentioned is given in Part 23 as a
requirement for Va. Part 23 uses the speed solely to provide the
design requirements of the elevators, ailerons, and rudder.


Well, right conclusion even if you don't agree with my method.

Va might be used in the design of the control surfaces, but I
was eluding to how Va is established in the first place.

And certainly one of the limitation is ensuring that you can't
exceed 3.5G at Va by yanking the yoke back. Isn't that
what Va is all about?

Since the forces on these control surfaces will not vary with weight,
you certainly can't scale it up.

Now you've lost me. If that were the case, Va would be
the same at any aircraft weight, which it certainly isn't.

--
Dr. Tony Cox
Citrus Controls Inc.
e-mail:
http://CitrusControls.com/