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issues 2.0.31

Hi,

Just loaded the latest code fromthe wiki v31 and did a quick test.

Alt hold problem with sonar is still there as discribed in issues v30. Did a CLI sonar test and works fine.

Also no logs can be found.

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Compass heading accuracy

I'm having some yaw problems and I would like to know if an oscillation of +-4 degrees in the heading value obtained from "CLI / tests / compass" is normal or maybe reveals a faulty compass.

 

I attach a CLI screen capture taken with the quad completel

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A bug on ArduCopter assembly wiki

I have received my a ArduCopter KIT a few days ago and started assembling. Today I moved on soldering power distribution board and likely found a bug on wiki.
There are mistakes on images in sections "Solder the Battery Cable" and "Solder the Connect

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yaw after takeoff

my copter turns a little bit to left after takeoff. i found this in the wiki: "My copter spins right or left 15° when I take off: Your Motors are not straight or your ESCs are not calibrated. Twist the motors until they are straight. Run the ESC cali

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APM not logging?

Hi

 

I am using APM with V 2.1.2 (stock).

 

Currently I am testing the logging feature. First of all I did erase all existing logs in CLI mode. Then connected the Xbee, servos, receiver, and power, booting into fly mode.

 

After obtaining a GPS lock I was

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T3

Geo referenced backround on AMP

Hi to all, im a little new to UAV, but little old to GIS and maping and  I was wondering if we could use georefernced images in mission planner, instead of google earth,

there ara two main reasons :

1. usualy an unmaped area dosent have a wifi hotspot.

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importance of IMU alignment

I wonder what's the importance of making sure the APM/IMU is dead center the airframe.

 

no questions about it should be at the correct 'yaw' (ie. facing the front motor)

and being parallel to the arms and not tilted.

 

but at the X,Y plane must it be at

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