Stealth Pilot wrote:
On 20 Jul 2005 10:27:47 -0700, wrote:

...

Have I got it right yet?

your mental picture is a practical one but you are looking at an
aircraft with a gently changing angle of attack and your assumptions
are correct I think.

The only part I questioned was the algebraic sense of the direction
or rotation. E.g. which direction was an increase and which a
decrease.


but picture if you will a *very sudden* pitchdown. the canard would
see the direction of the incident airflow change from directly ahead
to somewhere down in front of it. ...like a gust.

Thinking about it, a *very sudden* pitchdown _during takeoff_ will
also re-orient the thrust line downward. Given the proximinty of
the ground during takeoff that may prove to be the dominant
consideration.

--

FF