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Re: [Paparazzi-devel] Bungee Takeoff failure

From: Gautier Hattenberger
Subject: Re: [Paparazzi-devel] Bungee Takeoff failure
Date: Wed, 18 Jan 2017 10:50:11 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

Hi Erik,

Could you try with the following fix:

Note that you'll probably have to update your flight plan for latest master changes and use 'call_once' for instruction that are actually called only one time (see


Le 16/01/2017 à 00:15, Felix Ruess a écrit :
Hi Erik,

so if I understand you correctly, the bungee routine turns on the throttle as expected, right?

Does the aircraft ever gain significant height? How high did it go until you presumably took over or switched to another flight plan block manually?
I see the altitude of your Bungee waypoint is 560m (50m above ground_alt).

Also in the bungee code there is a FIXME?

It seems that it will currently only exit the bungee routine (and deroute) if you are 15m (BUNGEE_TAKEOFF_HEIGHT) above the Bungee waypoint altitude, so at 75m above ground_alt.
I presume you didn't let it get that far?

So to me it sounds like this should be fixed in the Bungee routine as mentioned in the FIXME by Gautier with the rewrite in
@gautierhattenberger I think it should indeed add the BUNGEE_TAKEOFF_HEIGHT to the current aircraft altitude when the setup is run (and not ground_alt and neither the WP alt as it currently is).

Cheers, Felix

On Sun, Jan 15, 2017 at 11:05 PM, Erik Petersen <address@hidden> wrote:
Hi Felix,

shure, sorry could have thought to mention the version. It's Paparazzi Version 5.11.

A link to my airframe and flightplan is here:

Thank you!

Best regards,

Am 2017-01-15 19:16, schrieb Felix Ruess:
Hi Erik,

can you please provide some more details?
What Paparazzi version are you using? Please post (a link to) your airframe
config, flight plan, etc..

Cheers, Felix

On Sun, Jan 15, 2017 at 5:24 PM, Erik Petersen <> wrote:

Hi everyone!

I've got a problem with the Bungee Routine. All variables are set properly,
but my UAV does not deroute into the next block. it's just heading straight
forward. The bungee routine itself works.
can anyone help me find the mistake?

Erik Petersen

Erik Petersen
Institut für Geographie
Universität Augsburg
Universitaetsstrasse 10
D - 86135 Augsburg

Telefon:  +49 (0) 821 598-2765

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