Mailing List lml@lancaironline.net Message #13920
From: J H Webb <airmale@bright.net>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Stalls
Date: Fri, 14 Jun 2002 19:41:49 -0400
To: <lml>

  >Subject: [LML] Re: 360 Stall Speed/Buffet Speed

 > Bill, I can't speak for the writer of that email but, I believe  the
reason
 > that 8000ft was lost was that the a/c entered a spin.

Because of years spent in Experimental flight test doing lots and lots
of stalls and spins I feel that you must do your job and check the
handling qualities.   I have
had the experience, in addition to other spins, doing 219 experimental
spins in a multi engine high performance light airplane.  Based of my
background (ATP,
33,800 hr, years of flight test, CFI A&I, and ETC) I feel that you are
missing one very important thing "EXPERIMENTAL".

    To properly fly an airplane you should know its handling qualities
at least within its normal operating range, this includes stalls.  I
have flown hundreds of GA
airplanes and stalls can be adverse or mild.  It is very important to
know the response of the airplane prior to an event at low altitude
without warning.  Adverse
stall qualities can be improved, it just takes a little work and
carefully noting of responses.  There are some good references on flight
testing where you can acquire
knowledge but skill is harder to come by.

     If you have bad stall qualities you should work on the problem as
when you fly an experimental airplane you are the test pilot, flight
test engineer, Project
engineer, production manger and etc.  We improved the adverse stalls of
the Navajo without adding more than 4 oz of metal.

   Just as in a certified airplane someone has to fix undesirable
qualities in this situation you are responsible.  If you are too
concerned or lacking experience, there
people that you can hire.

  Sincerely

Jack Webb
L 360, L IV


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