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Takeoff Stability

Hello,

I have finally completed my arducopter.  All the bits telemetry,sonar and motors seem to work ok, but the one thing I can't seem to do is takeoff.  The front of the arducopter (in x configuration) seems to rise up before the back.  I can compen

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APM output problem

I found one of my motors is always beeping ( the one connected to ch4 output, I did ESC and radio input calibration).

Then I measure the voltage of ch4 and chs 1,2,3 with transmitter off.

I found the voltage of ch4 is 1.7 volt lower than ch1,2,3. Is th

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Arducopter Arming Problem

Newbie Question - Please Help

During my initial setup, arming sequence was throttle stick to bottom right corner. Now all of a sudden the arming sequence is done by going to top right corner and dis-arming is top left corner.

What did I do wrong and ho

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ArduCopter 3D camera mount

Hello,

I am incredibly new to the ArduCopter scene (in fact I only built my 3D quad yesterday and am still waiting for the liPo and Tx/Rx controller to arrive) and would like to mount a small compact camera to my ArduCopter. Can anyone tell me whether

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ESC breaking?

I noticed that when I cut the throttle the motors stop very quickly. And when the propellers are still (while power is on) and I hit them with the finger they does not spin any turns (like when power is off).

This leads me to think the ESC has breakin

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Anyone could help me?

hi,I am fresh. Now, i was researching the copter with four fans. However , i was confused about the problems, like" how many size of the fans and speed of the motor for loading the copers? so, if anyone know how to solve the problems. could you

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Xbee connection failure.

Hi All:

   I am the newbie and here again.

   This time I have an Xbee connection failure.

   I use xbee pro 900 wire antenna and an adafruit adapter board on the arducopter side, along with an xbee Pro 900 RPSMA.  I setup the Xbee modules according to

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APM channles output problem

Hi All:

    I am a newbie and building my first arducopter.

    I connected receiver to the APM and the APM to the power distribution board as in the wiki.

    No matter how I move the transmitter's stick, there is no response from the motors. There are

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