On Sat, 2009-04-18 at 18:26 -0600, Carson Fenimore wrote:
> Previously I asked about waypoint following in a C172. Curt said that
> the default c172 autopilot "models a specific autopilot" and disables
> any of the "more fictitious built in Flightgear autopilot features."
> What are those features?
>
> Also, I found that I could use the route manager to direct the C172 if
> I changed the input for the heading select mode in KAP140.xml from
> heading-bug-error-deg to true-heading-error-deg. This lets me control
> the plane, but the plane isnt going in the right spot (basically, I
> told it to go north east and it is going hard north). Im still not up
> to speed on what the difference between a bug-error and a normal error
> is...
>
> Anywise, I plan on continuing to root around in the code to figure
> this out, but essentially all I want to do is feed waypoints to a
> Cessna. Seems like this is possible with a little fiddling around in
> the KAP140 file. Once I can figure out how to do that, I might be
> able to remotely assign waypoints over a socket... i hope. Any
> pointers?
The route manager you speak of is one of the "more fictitious built in
Flightgear autopilot features."
While the KAP140 is more realistic from a pilot point of view, I often
want the autopilot to fly a precise profile for test so I'll "remove"
the kap140, thus restoring the "more fictitious built-in Flightgear
autopilot."
This is done by using a text editor to remove these lines from the
c17cp-set.xml file:
<autopilot>
<path>Aircraft/c172p/Systems/KAP140.xml</path>
</autopilot>
Good luck,
Ron
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