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GPS/baro altitude accuracy

Hi folks,Had a few flights with APM recently, results werent good because there was a tendency for the plane to constantly lose altitude.I suspect that the problem might lie with the pressure sensor. I did a few tests with the baro sensor. While stat

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Buying Turnigy 9x

Hi All, 

I'm about to build an ArduCopter :-). 

I see two different types of Turnigy 9x out there.. which one should I buy? TX-9X-M1 or TX-9X-M2? Planning to install ER9x as well. 

thanks and regards,

Japi. 

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Advice needed for custom octo copter

Hey everyone, I need some advice with regards to a custom build octo.
       
    Im building a frame that can carry a droidworz slr camera mount, hence quite a payload including the camera.
   
    I want to use the following motors:
   
    C2836 KV88

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Xbee USB

     I recenty bought an XtreamBee USB Adapter from the Diy Drones store. The board was working normally, then after having a problem that I just couldn't fix, I noticed The USB socket has come away from the board. 

      The 4 solder pads that hold d

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MAVLINK errors on one PC only

So as of yesterday I am unable to make a MAVLINK connection through my telemetry gear, but only on my laptop.  When I hit connect (yes, port and baud rate are right, CLI switch is in the flight position) the connection window immediately disappears w

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APM not reading Radio Channels

Thanks in advance for anyone who might be able to help me.

I have been using the Ardupirates code for a university project and something rather percuilar has happened. In trying to fix a dodgy ESC and resoldering some of the connections on the PCB and

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Pressure sensor heading direction

A couple of queries.. hope someone can help :)

 

Im not sure if my IMU is faulty, but sometimes when I power up/reset the IMU board, the orientation that is obtained is SOMETIMES reversed.

(ie. in APM Flight Data window, the nose of the plane is pointin

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Castle Ice 50 Esc

Anybody out there using castle ice 50 esc's on their quad?  If so what were your castle link settings? 

  I put together a large 6s quad (using extra airplane parts) and I am having a hard time getting it tuned up.  Cant get the thing to stop wobbling

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Parts for miniquad

Hi,

I recently revised my miniquad design and have some hardware left over from my first version.

1. Miniquad frame:
This frame is built using 1mm carbon plate and 4mm pultruded carbon tubing. Tubing is reinforced with internal fiberglass ferrules that

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