We're within a day or two of releasing ArduCopter 2.6.1 to the public in the Mission Planner. It's the best performing code we've flown and the waypoint accuracy is really impressive. You can check out Marco Robustini's video above to see an long-distance waypoint flight, some tight loiter at 5:30 (holding in a 1m box!) and a fun demo of autorotation.

A full list of changes is here, but they include:


Performance improvements:

  • Better loiter, especially with the new 3DR uBlox GPS. Check out the video from Marco above!
  • Better yaw control
  • Better DCM implementation, resulting in noticeably smoother flight
  • Better camera control, including improved setup in the Mission Planner.
  • Etc


  • Fix to dataflash erasing, which should resolve an issue some users were having
  • Fix some MAVLink commands
  • Fix Circle command
  • Fix some units
  • Etc

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Comment by Gerrit Jan Baarda on July 23, 2012 at 8:39am

Will this new software also allow reasonable loitering with APM 1.4 + MTK GPS? The best I've managed until now is mediocre results in low wind situations. I have never been able to get anything decent with wind.

3D Robotics
Comment by Chris Anderson on July 23, 2012 at 9:32am

Gerrit: Yes, it is much improved on all platforms. Best with the uBlox, but should show improved performance with the MTK, too. 

3D Robotics
Comment by Chris Anderson on July 23, 2012 at 10:01am

Darren: you have a choice of GPS modules with APM 2. The uBlox is recommended for copters. 

Comment by Duran - ALTI on July 23, 2012 at 10:14am

Hey Chris, a few quick ones.

I've downloaded 2.7 RC, which compiles fine and flies fine, but the camera gimbal functions do not work, I've seen the new way to set it up, but the latest MP does not look the same as the one shown in the updated camera tracking page for the setup, no RC function drop downs.. ? Am I missing something? Should I wait for MP release of 2.7 ? Any ETA

also with the Ublox, which I'm now flying, sometimes it's super solid, others it just flied off into nowhere, it's like it's a hit or miss when I flip to loiter mode and back to stab.  ??


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