At 10/16/02, Curtis L. Olson wrote:
>Jim,
>
>Your Wright flyer model is really starting to look sharp!  Good
>work. :-)
>
>People need to check this out if they haven't already:
>
>     fgfs --aircraft=wrightFlyer1903-v1-nl-uiuc

The 1903 Wright Flyer has rudder coupled to wing warping.  For this to work 
out right use:

fgfs  --aircraft=wrightFlyer1903-v1-nl-uiuc  --enable-auto-coordination

Then be sure to not input any rudder w/ the stick (i.e. don't twist the 
joystick).

With later aircraft, the Wright Brothers de-coupled the wing warping from 
the rudder ... for good reason as can be deduced from flying the model.

My confidence level in terms of the accuracy of the model (sans the engine) 
is pretty high.  It's largely based on NASA Ames data from tests on a 
replica, which I mention in the readme:

~/fgfsbase/Aircraft/UIUC/wrightFlyer1903-v1-nl/README.wrightFlyer1903.html

Sounds like I need to cvs-checkout out the latest stuff!

Regards,
Michael


>You definitely need to stay on your toes (so to speak) to keep this
>thing in the air.  The lack of lateral stability is very apparent.  If
>you get banked a little too much, you'll slide right out of the sky.
>The UIUC folks did a very good job on the flight dynamics.  My gut
>feeling is that this is probably very close in terms of performance to
>the original.
>
>Curt.
>--
>Curtis Olson   IVLab / HumanFIRST Program       FlightGear Project
>Twin Cities    [EMAIL PROTECTED]                  [EMAIL PROTECTED]
>Minnesota      http://www.menet.umn.edu/~curt   http://www.flightgear.org
>
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**************************************************
  Prof. Michael S. Selig
  Dept. of Aero/Astro Engineering
  University of Illinois at Urbana-Champaign
  306 Talbot Laboratory
  104 South Wright Street
  Urbana, IL 61801-2935
  (217) 244-5757 (o), (509) 691-1373 (fax)
  mailto:[EMAIL PROTECTED]
  http://www.uiuc.edu/ph/www/m-selig
  http://www.uiuc.edu/ph/www/m-selig/faq.html (FAQ)
**************************************************


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