Jon von Weymarn
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Sudden drop like a rock in circle mode

Started this discussion. Last reply by Jon von Weymarn Jun 8, 2014. 2 Replies

Hi,I was testing out Circle mode and it started well, but ended in the worst possible way. Quad dropped like a rock :-/Events:1. Set Circle Radius 0 and rate to something like 20. Did a few circles.…Continue

Arducopter V3.1 stopped listening to me. Why? Help with logs

Started this discussion. Last reply by dr0n3droid Jan 28, 2014. 6 Replies

Hi gurus!Just did a flight in -17C. The quad stopped listening to me...Take the quad from indoor temps to outdoor -17C. Power up right away.Takeoff in STAB. Everything works.Some seconds later…Continue

New APM2.6. Is one output fried?

Started this discussion. Last reply by Jon von Weymarn Feb 23, 2014. 6 Replies

Hi all!I updated from APM1 to APM2.6 and Output5 seems fried or something on my brand new board. I want to use the output for a camera gimbal and any servo I connect to this pin buzzes like crazy.…Continue

Tags: fried, output, APM2.6

OSD working sporadically in the air

Started this discussion. Last reply by Jon von Weymarn Oct 7, 2013. 1 Reply

Hi all,This is my hack on an APM1. As i understand the telemetry this should be ok. So now i…Continue

Tags: time, sporadically, some, after, osd


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DIY 3RD quad carrycase out of wood and an old mattress

Posted on January 2, 2013 at 1:30pm 3 Comments

Hi all,

Just thought I'd post pics of my quad case. It took a while to build but the cost to build it was practically zero. I utilized an old beds plywood and the foam from its mattress.

I have been using it now for about 4 months and I really like it. It's just big enough to securely fit:

  • the quad with props off
  • transmitter
  • extra…

How I got Loiter to work (reflashed firmware)

Posted on November 8, 2012 at 6:30am 0 Comments

The solution is a bit of an anti-climax so in short:

I got Loiter to work by re-flashing the firmware.

The longer version:

I built the quad which was a 3DR ArduCopter Quad-B. Everything seemed to work like a charm. It flew like a dream in stabilize and the GPS got a really good signal (over…


Lesson from crash: check your power connections!

Posted on November 8, 2012 at 6:30am 4 Comments

Check the video first:

So I'm flying up at 120m. What then happens is every RC pilots nightmare! Power cuts off from the APM!

Quad drops to about 90m before it wakes up again, then I take it down crazyfast but controlled to 20m, then at 20m it dies again and drops like a rock... hits pavement...3 broken props, all landing gear, 2 bent…


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