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Center of Gravity Question

For the optimum stability where is the recommended COG on the Z axis?

X and Y axis makes sense to have it centered between the arms, does this also apply to the Z axis? If it does, what points would you measure from? Keep in mind this is not for perfo

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Blown MUX?

Hello people, i need to share this with all of you to see if we end with some sort of diagnose procedure to know if we have a blown MUX, and the posible ways to solve the problem.


Hardware:

  • ardupilot
  • arduimu
  • shield with air speed sensor
  • ublox gps
  • no reset

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It's official! I've got mine!

Well I just picked up my Arducopter from Jani.  He is slaving away getting them boxed up and is really doing some amazing work getting them ready.  He was kind enough to give me a tour of his offices and personally boxed up my order!  Thanks Jani.  N

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config the ardupilot mega

hey guys just got the ardupilot and hooked it up to my brushless motors. i have it in a quadcopter frame but when i throttle up only one motor turns on and the rest just beep. so i guess my question is how do i config the ardupilot mega code to run l

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APM all-in

Ok so my lil Easystar is getting a little bigger.

Initial configuration:
APM, Oilpan, MediaTek GPS, R617FS receiver, eTronix ESC, Hacker A30-16M
Elevons and rudder servos
Landing wheels (used but untested - head first landings so far :D)

After some flight

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MediaTek 10Hz update Rate

I am not quite shure if this topic was already discussed.


I tried today the binary mode on the mediatek module. The Longitude error, which was discussed earlier is still there, but i will update the firmware tomorrow, when i have access to a windows c

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Arducopter Radio recommendations

I plan on using the Arducopter (kit) with a bucket load of Radio signals, RC -- telemetry -- POV -- Pan Tilt control. I’m hoping that someone here may have recommendations for frequency's, and manufactures.

I’m thinking:

2.4GHz RC radio system for the

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NLOS Navigation Probes

Hey everyone,

Great stuff that you guys are doing at DIY!!!

I was wondering if anyone could help me out with a localization problem. I'm building an indoor UAV and am exploring options for localization, one option is of course SLAM but that demands a s

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artificial horizon

In the configurator do you have to have the magno in order for the artificial horizon to work? The reason that I ask is that it seems to go off to one side or the other depending on which computer I plug it into, but the accelerometers seem to work.


T

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Complete newbie needs some guidance

Hi
 
I need to convert my plane to a UAV for a competition.
 
I need to take off manually, switch to UAV mode so the plane can fly a programmed route, then have it come back so I can take control and land it.
 
My plane is a nitro trainer with a 40 engine

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Adelaide Quadcopter Project

Hello folks,

We are developing a slightly over-engineered Quadcopter at the University of Adelaide using some embedded components we had lying around, a Gumstix, Mircrostrain IMU and an Arduino. The plan is to have higher level processing on-board for

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