ArduCopter 2.x (multicopter) (4,050)

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How to analyze a crash?

I got a pretty bad crash today. Everything was flying very nice and suddenly lost altitude and crashed. The APM board survived, and some m…

Started by Charlie

31 yesterday
Reply by Ricardo Affonso

"No Heartbeat Packets Received" on Mission Planner

When I try to connect using mission planner versions 1.1.51 & 1.1.52 I get a "No Heartbeat Packets Received" box after the time out. I…

Started by Alan

53 yesterday
Reply by Bruno Bedard

Alt-Hold climbing, but can't find the sweet "P" spot

Ok I looked at the tuning page, and I can't seem to find the sweet spot for the THR_ALT_P value. My Hex keeps climbing no matter what I tr…

Started by Tony

5 yesterday
Reply by Bruno Bedard

sonar in 'misson planner'? Sonar wiki says it's used in loiter and alt-hold. What about flying to a waypoint?

http://code.google.com/p/arducopter/wiki/AC2_Sonar When in Alt-Hold or Loiter flight modes the sonar is used to adjust the absolute target…

Started by James Small

2 yesterday
Reply by James Small

Yaw problem - compass or airframe?

I have a bit of a yaw problem on my hexacopter. In any mode (stabilise, alt-hold or loiter), when I yaw, the copter drifts off even in stil…

Started by RickP

3 yesterday
Reply by Richard Boyhan

Bad Altitude Sensing APM 2.5

I’m using raw sensor display to figure out why altitude is 41 meters with quad sitting on my kitchen table.  Also altitude is not steady. …

Started by Jim Stricker

10 yesterday
Reply by Wade Hirsch

Soanr MB 1240

I just got my MB1240 Sonar and installed it on my hexacopter. I tested it on CLI sonar testing and it works fine. But when I connect it to…

Started by KANCHANA ATTANAYAKE

3 yesterday
Reply by KANCHANA ATTANAYAKE

3dr hex copter stabilize issue

Whenever im in stabalize mode with the arducopter autopilot it is extremley slow to react. It also stops it self from tilting past a certai…

Started by Troy

1 yesterday
Reply by Troy

Possible to implement RTL based on battery voltage?

I'm new to all this so maybe I'm missing something obvious. I have an H quad running 2.9.1. I've played around with the battery voltage fai…

Started by Tom Mahood

1 yesterday
Reply by Andrew Sommer

Most stable Arducopter version?

Hi, I'm going to be sending up some pretty expensive equipment soon, and would like to know which version of Arducopter is most stable (roc…

Started by Wesley Versfeld

12 yesterday
Reply by Magnus Skogmo

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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.

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