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Re: [Paparazzi-devel] Improving Auto2 flying.

From: Gautier Hattenberger
Subject: Re: [Paparazzi-devel] Improving Auto2 flying.
Date: Mon, 08 Nov 2010 11:36:35 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101006 Thunderbird/3.0.9

Even if in the menu "CacheOrHttp" is selected, the option -no_google_http should have disable http.
It is only a display issue.


Le 08/11/2010 11:22, Reto Büttner a écrit :
Hi Gautier,

I tried the option -no_google_http several times. It didn't work so I
keep setting it manually. The other options according to the wiki page
"GCS Configuration" work fine. Does someone have the option
-no_google_http working?

Cheers, Reto

2010/11/8 Gautier Hattenberger<address@hidden>:

To start the GCS without http you can launch the program with the option
It can be set by default for your favorite session by changing
control_panel.xml or saving it from the paparazzi center.


Le 06/11/2010 21:34, Helge Walle a écrit :

Thank you David,

Until today I have done minor adjustments to the elevator neutral in the
airframe file, to compensate for variations in elevator trim caused by
temperature changes.

Today I did the following to my Twinstar2:

- Entered the original value for elevator neutral in the airframe file (i.e.
the same as in the radio file, 1520)
- Disconnected the linkage to the rudder and locked it in neutral position
with tape. The rudder has significant drift in trim following temperature
changes when connected to the servo.
- Adjusted elevator trim to level flight in Manual by mechanically adjusting
the linkage.
- Checked that the plane flew straight and level in Auto1 and could roll
sufficiently left and right.

The result was that the plane could successfully circle left and right in
Auto2, and the plane made a nice transition from one rotational direction to
the opposite, and back.

The plane flies nicely now with the rudder stuck in neutral position, so
I'll keep it this way.

BTW i found the definition of the Circle strip buttons in the Settings file.
Still I would like to have the GCS in Maps policy = "no http" as default in
the GCS, if this is configurable.


2010/11/4 David Conger<address@hidden>

CheckList I would go down:
1. Plane flies straight and level in MANUAL|AUTO1 with no inputs from the
Tx. (Be sure the plane isn't naturally turning right)
    test: take off and assume level flight. let go of the sticks on the Tx
and observe the planes behavior.
    fails: take a note of the amount of up|down right|left required to fly
level. Land and adjust the linkages to mimic these settings. Re-run test.
2. Max roll maybe should be increased? Allow the plane to roll more to the
3. Check your command laws to verify a limit doesn't exist restricting the
aircraft's ability to follow the flight plan you wish. Fly it in the
simulator and see if you have the same results.

Just ideas,
On Nov 4, 2010, at 11:30 AM, Helge Walle wrote:


I am trying to improve the Auto2 flying of my Twinstar2. Standby
circles, figure 8 and Oval are already fine now.

Last session I tried to change the circle rotational direction while
flying right turns in Standby. I clicked Circle left. The plane did not
manage to perform this maneuver. It made several tight turns to break out
from the existing circle, but never managed to enter the path of a left
circle. When I clicked the Standby block again, normal right-turn Standby
was re-established.

The Standby circle is 65m radius. I am not sure what determines the
radius of the "breakout" turns. Any hint on this?

What puzzles me is that I cannot find a reference to the GCS Circle
buttons in the flight plan. Should I? Or where else is this command

Is there something I could tweak to make the plane able to do the switch
of rotation direction? By flying nice figure8's, the plane has shown it's
ability to turn both right and left in Auto2.

Also, is it possible to configure GCS to "no http" as default in maps

Thanks for any help,

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