Replies to This Discussion

Permalink Reply by Brad Smith on March 31, 2012 at 5:43am

update your mission planner and then in the firmware tab update your APM then look in the configuration tab MANUAL_LEVEL 0 change the 0 to 1

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Permalink Reply by Andre Meier on March 31, 2012 at 7:09am

Thanks very muth Brad. Know i have it. I forgot to update also the mission Planer.

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Permalink Reply by Eagle on April 1, 2012 at 4:37pm

Hi all, I just did a first test flight this morning with Bixler and APM2/ArduPlane 2.32.

I experienced a strange thing... Everything was going smooth (stabilize, rtl) was A ok. But I lost control of the airplane and the Bixler circled slowly down to the ground and crash on tip of wing.  When I was near the crash site, the ESC was beeping (throttle no signal) and all leds on APM was off... ???.  I suspect a bad jumper on APM2 (I replaced it with another one today) and fixed the airframe.  Fortunatly the crash was not to severe and I managed to repair the Bixler.  Another thing I should mention is that the GPS lock was looking flaky (long time to get a fix)...  I mounted the GoPro on Top of the APM chassis.

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

... probably a bad idea.

So... today, I moved the CAM in front of the Bixler chassis in order to not block the GPS antenna.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To be honest I'm a bit scared for the flight test #2.

...any idea what could have cause this?

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Permalink Reply by Gábor Zoltán on April 2, 2012 at 12:26am

Just an idea. Might helps;

 

Is your ESC big enough?

Can its bec handle all the servos, APM and everything else together?

 

If it can not, than it reboots, and your throttle setting gets messed up also in it. 

Happened to me before.  

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Permalink Reply by Eagle on April 3, 2012 at 3:06pm

Thanks for your reply Gabor, it is exactly the case... I reproduced the problem on the workbench.

The ESC effectively heats up pretty bad and reboot after 1-2 minutes at 3/4 of throttle.

I will put this GWS ESC in the garbage and never buy again.

 

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Permalink Reply by Eagle on April 4, 2012 at 6:26pm

I just placed an order on DIYDrones Canada for a new ESC.... hopefully it will do the tricks.

At full throttle, current setup is using 23amps.

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DeveloperPermalink Reply by Andrew Tridgell on April 2, 2012 at 1:17am

Hi Eagle,

If you got a telemetry look then we could look for causes in that. For example, it logs the board voltage, allowing us to tell if your BEC was keeping up OK.

If you did get a tlog then please post it.

Cheers, Tridge

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Permalink Reply by Eagle on April 3, 2012 at 3:09pm

thanks Tridge, the issue is not related to Arduplane. but a cheap ESC. (see below)

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Permalink Reply by Leonardo Lisboa on April 2, 2012 at 6:10pm

I had a similar issue twice and after doing some tests I've discovered that my ESC BEC was not handling the current consumption.

I've added a separate BEC and never crashed again.

Tip for everybody. Add a separate BEC to your system and do not use the ESC to power APM and servos (mainly if you use digital servos).

Regards,

Leonardo

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Permalink Reply by Sylvain on April 3, 2012 at 2:02am

You should consider adding a protection lens :

http://www.fpvmanuals.com/2011/12/15/introducing-layerlens-gopro-le...

It is really light and might save your camera

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Permalink Reply by Rana on April 3, 2012 at 9:44am

Has the Arduplane 2.32 been well flight tested ?

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3D RoboticsPermalink Reply by Chris Anderson on April 3, 2012 at 11:05am

Most tested code we've ever released. Many hours in the air, on sims and through automated code verification. And at this point there are so many thousands of APM boards in use that users quickly identify any edge cases that didn't show up in developer testing. 

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