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Severe twitching in Loiter

Started by Randy Bachtell. Last reply by AKcopter yesterday. 1 Reply

I have an unstable Loiter condition on my Pixhawk 3.2.1 550 quad, all other modes are very stable and predicable.  I am using my Iris+ as a benchmark as both are configured about the same.  I am…Continue

APM 2.8 Flight Controller wont connect to Vista???

Started by Kevin McLendon on Sunday. 0 Replies

Windows always asks to install new hardware, Won't connect to open pilot, just times out, anyone else had this prolem?Continue

drop height

Started by Martin. Last reply by Randy on Sunday. 5 Replies

Hi,I need some help!When i put my quad in a circle of radius 0, they turn around , but fall suddenly 4 meters approx, stop turn, recovery height and continue turn.There are any parameter to correct…Continue

A worrying failed test ...

Started by Simon Gibson-Poole. Last reply by willie mcphee on Saturday. 5 Replies

Hi All,Running a little survey last thursday looking for some Giant Hogweed and seemingly all went well with the flights (running a Vulcan Octocopter using Pixhawk with arducopter 3.2.1).  However on…Continue

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Comment by Charles lakins on March 26, 2013 at 9:11am

and heres arducopter help related for gimbals

you dont need it to start, but when you are more experienced flying maybe as it just adds more to break learning

Comment by Charles lakins on March 26, 2013 at 9:08am

Try going here

there are multiple threads to choose from relating to fpv and on board cameras

Comment by LanMark on March 26, 2013 at 7:25am

John can you start a thread.. which is much easier to contain and get comments from the community.

Comment by John ku on March 26, 2013 at 7:07am

Please pardon me if I've posted my question in the wrong forum.

I am a complete newbee aspiring to build my very own Tricopter. I would like to mount a camera (GoPro) on board and I suspect I would need a video transmitter and a video receiver if I want to fly FPV (i.e. see where I'm flying). Can someone please explain or point me in the right direction for step by step instructions?

Many Thanks


Comment by Michael Jensen on March 20, 2013 at 2:25pm

Hexcopter - power question - JP1 jumper - in or out??

Configuration -

APM 2.5

4S 4000 LiPo

3DR 915MHz radio

1200 Sonar


Should the jumper be installed or not?

No camera yet but likely to be a pan/tilt affair with GoPro




Comment by Charlie Fox on February 10, 2013 at 5:48pm
I find with mine If I'm hovering above say 2m when I click alt hold it rises up a few meters then stops. If under 2m it drops down and lands. Its a bit of an art as it doesn't respond rapidly to throttle input. Definitely not how I expected it to act, i.e. lock at the altitude it was it when I flicked the switch. I think perhaps loiter does though as you can still manouver in loiter,
Comment by Gonçalo Abreu on February 10, 2013 at 5:41pm

Nevermind.. Silly me, i understand ir know. You are implying my throttle stick is not on 40%-60% position?

Comment by Gonçalo Abreu on February 10, 2013 at 5:39pm

I havent quite understood what you've said. Alt hold is not supposed to keep my quad between a sensor offset?

Comment by Charlie Fox on February 10, 2013 at 5:15pm
Hi Goncalo *my keyboard doesn't have that c sorry.
That is probably normal behaviour.

In ALT hold mode the throttle becomes altitude control. So switching modes doesn't guarantee it will hold its current altitude but rather the altitude relavent to the throttle position.

Gaining or loosing altitude in the mode tends to be quite glacial but switching back out of it can be exciting ;-)
Comment by Gonçalo Abreu on February 10, 2013 at 5:09pm

Quick question for 2.9.1 users. When i toggle altitude hold using inertial navigation my quad slowly drift down(eventually touching the ground). This drift is very slow. What parameter should i look after? Is it possible vibrations are causing this?


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