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Tricopter config in PX4

Hi all,I probably didn't choose the easiest route for my first DIY project but I really wanted something compact I could carry in a small backpack, so I went for a foldable tri frame (the Trifecta). I got a Pixfalcon as controller.The frame manual re

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Reduce power to motors

Hello,

I built a quad with 4x EMAX RS2205 motors with 4s battery and 5" bullnose props. I am carrying an APM mini.

Total weight of 500g and a thrust of +3kg makes it quite powerful - especially when I get my hands on the RS2205S type...

This makes it a

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XUAV Empty weight

Hello, it's my first post on DIYdrones.

I plan to build an UAV Plane for photogrammetric purpose.

As I like compute, calculate and plan before build, I try to compile the mains characteristics of the planes frames.

One major char which is not provide by

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Wobble with 4s battery

HiIs it possible to switch between 3s and 4s batteries without tuning?I have a 550 tuned with 3s 5000 and when I try to run 4s 5000 it wobbles really bad. I guess if I tune it to 4s the 3s would work okay. I was thinking I could save the parameters t

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ESCs not calibrating properly

 I have quite a big problem. I just finished my diy quad, and I tried to calibrate my ESCs.

I follow step by step the calibration process and everything seems fine.When I give my drone its max throttle, it works great. 

So I unplug the battery and disc

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