jjohow's Discussions (14)

Sort by

Altitude problem

Hi!I know this has been discussed before but somehow I could not find the old discussion.After having calibrated my APM 2.5, when I go out flying, the middle position of my throttle stick makes my quad gain altitude like a rocket. I use WKM and Naza

Read more…

After Calibration Motors keep beeping!

Hi!

Sorry... this is getting strange, I know.

But after I just calibrated my TX with the APM 2.5 the motors started spinning at low RPM.

I disconnected the the power source (5 V BEC) and than the battery.

Now when I connect the battery, this is happening

Read more…

Motors beeping after change to PPM-Sum

Hi there,

I have a Graupner MX-20 which supports PPM-sum on Ch8. I wanted to get rid of too many cables on my RX. So I changed to PPM. I did it like shown in the Wiki, bridged signal Pins 2+3 on my APM2.5 and fed the PPM-Sum to Ch1.

In the mission plan

Read more…

Ch 5 & 6 for 2-Axis gimbal and modes?

Hello,

here's something I don't understand: In the RC setup wiki it is recommended to use Ch 5 for the mode switch. But for the 2-axis gimbal there is also Ch 5 reserved for one axis. I tested the gimbal - it works.

The 3-position switch works also for

Read more…

ESCs don't like cold weather - known problem?

Hi there,

today I went out to test the new 2.1 Arducopter firmware and was surprised, when all 4 ESCs made the motors beep on start-up,  (like beep-beep-beep... twice a second) therefore no spinning motors and no flying. :(

I went back home - surprisin

Read more…

Strange behaviour after crash :(

Hi there!

my 3DRobotics Arducopter with APM crashed yesterday. Nothing broke at first sight (two props died) but now it's doing strange things. When I try to lift off it leans stangely to one side. I can get it in the air but it floats around like cra

Read more…

Heavy wobble on descend & gain height on roll

Hi there,

I'm a real newbie, managed to get my stock 3DRobotics quadcopter APM finished yesterday and did some tests today.

Two questions for now:

the copter was flying quit well except for a wobbling that occurs on (even not so very fast) descends. Whe

Read more…

Update Timeout Problem

Hi there,

I've been trying to get an update for the APM planner for a couple of hours now, but i keep getting timeouts. It says "Checking" - but nothing more happens.

I wanted to switch from "Arduplane" to "Arducopter" (I just finished my copter) but t

Read more…