ArduCopter 2.7.1 will become available on Mission Planner and in the downloads area shortly. This release contains a few important bug fixes as well as the first implementation of the MPU6000 sensor-fusion code.
Detailed changes are in the commit log. Here's a summary:
New:
- Preliminary support for MPU6000 on board sensor-fusion (DMP)
- AP_Limits: Experimental "bounce" mode, for smaller spaces (LIM_RECMODE)
Bugs:
- Bug fix for yaw error buildup on takeoff
- Fix in Auto mode for failsafe handling
- Fixes to 3-axis camera gimbal code
Tags:
Permalink Reply by Duran - SteadiDrone on August 3, 2012 at 4:26am Thanks again toall the devs, just come back from a roadtrip holiday with our SteadiDrone QU4D and H6X, flying 2.7, and no issues at all. Just loaded 2.7.1 onto our big SteadiDrone EI8HT and test lifted 8kg, flies perfect :)
Will post some videos and images soon.

I wait your videos, bests bro!
Marco
Permalink Reply by Alex on August 3, 2012 at 12:18pm Hi all,after a loooog break i am trying to connect via MP to my 2560 board with no succes (the board has not been previously used).Another way to upload firmware, if i rememner well was via Arduino but i cannot find some instructions, can someone give me a clue ? A video tutorial will be great. Thank you.
Alex, you need to load the firmware before connecting. Just click on the vehicle type you want in the firmware screen.
Permalink Reply by Alex on August 3, 2012 at 3:03pm I have made the first trials and it appears that if i arm the motors and i do not move the sticks for around 25 seconds the motors will disarm automatically. Is this a new safety feature installed or i have some issues ?
Yes it is. That's a safety feature active since version 2.2 or so.
Permalink Reply by Alex on August 5, 2012 at 4:55am Yesterday night i've made a first flight with the default parameters, no wind. In stable mode it is working ok, in Loiter mode it is moving left/right , forward/backward also from time to time (at 3 sec aprox) it is shaking, like an over correction.I've attached all the log files from the flight. Assigning CH6_LOITER_KP to a knob could help me to improve the behaviour ?
Permalink Reply by Kevin Brown on August 3, 2012 at 3:33pm FUN FUN
Loaded 2.7.1 APM 2 PM 1.2.2
Now quad will not arm,
telemetry is working
Radio is calibrated
ESC calibrated
APM can see RC radio
tried full right and full left in case reversed
Permalink Reply by estebanflyer on August 3, 2012 at 3:52pm It's a simple mistake... Dual Rates OFF?
Permalink Reply by Kevin Brown on August 3, 2012 at 4:13pm yes DR is 0
Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.16 members
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