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Motors spin slowly at min throttle on Arm

Started by Naren. Last reply by Maxime Carrier yesterday. 20 Replies

I have calibrated the ESCs, installed the latest firmware and followed setup procedures by the book; The props start spinning the moment the APM is armed. I am using the APM 2.0 with a 3.1 Arducopter…Continue

Tricopter setup with Pixhawk

Started by Luis Escobar. Last reply by OwlPic yesterday. 1 Reply

Hi all, I just got a pixhawk to pilot my tricopter, and I'm having a few issues. For my setup, I've got pixhawk with a turnigy 9x and PPM encoder for the radio, 3DR power module, 3S battery,…Continue

APM 3.1 and all flight modes unknown?

Started by MBerry. Last reply by dudz yesterday. 21 Replies

I updated to APM3.1 last night and went through the whole setup process. But i noticed in Mission Planner, APM Planner 2, and Droid planner all of my flight modes show up as "Unknown".It appears to…Continue

I need help :Bad tunning?, Bad hardware configuration? or Failure board?

Started by Cala. Last reply by Cala on Friday. 1 Reply

Hello people; I continue discussing with my first cuad, now I change the frame, motors, props, many damping materials, balance props, motors, many calibrations, find many problems and resolve, put an…Continue

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Comment by Forrest Frantz on July 27, 2013 at 1:15pm

On the first MP hardware screen you select the quad.

Then on the second screen you select if it is a + or X.

That's it.

Carefully check motor spin direction and order.  Do not use super simple mode.  To test, hold the copter above your head and turn on (you don't need hover speed to do this).  Wear eye protection, thick clothing, and gloves.  Apply pitch forward to see if it points down.  Pitch back to see if it pitches up.  Roll left to see if it leans left and roll right to see if it leans right.  Yaw left to see it it goes CCW and yaw right to see if it goes CW. 

Then if it still acts funny then it is probably tuning and post a photo.  You can also start a new topic so people can directly reply.

Comment by mark on July 27, 2013 at 12:47pm


Is there actually a way to distinquish a quad vs hexa vs octo  copter? I just saw that you pick the frame type then it has X configuration and all three fall under there. Your suggestion does make sense, but how do I set it in the CLI? Man, if this is the only problem I can start flying this thing right now. THANKS in advance! --mark

Comment by Randy Brazeau on July 27, 2013 at 12:25pm
I had this problem before exactly in you video.
Copter was config for hexa instead of a quad.
Check the configuration in CLI.
Comment by mark on July 27, 2013 at 11:29am

yeah, I just went back to the soldering board and tried to solder it again. It looks find and I am almost certain that the TGY 9x is pushing it out. It works with a KK2 as AUX. Anyway, I took it out again with high hopes and it just dug into the dirt (same sas below only I actually let it go). Sold have filmed it but didnt have the camera ready. Anyway, not sure what to do now. Thanks guys.

Comment by novrizal herdananto on July 27, 2013 at 9:03am


make sure you have define aux-ch at your radio, and do radio calibration again.

Comment by mark on July 27, 2013 at 8:26am

Well, here is my first attempt at doing a hand test. I dont have anyone to help right now so I am trying to just demo this by watching what it does from the ground position.

If I was to give it more power it would just fall to its back side and grind into the dirt (this is what happened several times yesterday)

I am assuming that it defaults to stablize mode as I dont have a channel 5 switch working at present... lemme know what you think. Thanks in advance.

Comment by Shyam Balasubramanian on July 27, 2013 at 7:16am


That may be old I think, this is new:

This is the Wiki page for Arducopter! You will find systematic and clear instructions here.

Comment by mark on July 27, 2013 at 7:08am

@Wessie, thanks for the tip... Just googl'd it and got:    ... Going to try this out and see where I get.

Thanks all!

Comment by mark on July 27, 2013 at 4:28am

@Wessie, I have done nothing other than do calibrating the esc and compass. Please explain as I am super excited to get this copter off the ground!

Comment by Wessie on July 26, 2013 at 11:31pm


Sounds like you need to do the Hand tests now. The hand tests consists of 2 parts, the stablilse test, and the control test.

Have you done this yet? If you are not sure, let me know and I will explain.


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