Christoph
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  • Karlsruhe
  • Germany
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Christoph's Discussions

Setup tips and questions (Trex 450)

Started this discussion. Last reply by Christoph Oct 15, 2011. 5 Replies

Dear all, I am planning to try out arducopter with a flybar Trex 450 to gain first experience with the hard- and software.My setup thoughts so far:- will use my 401 gyro with heading hold and plan to…Continue

Loading code with MP works, but prompt line still shows former code version

Started this discussion. Last reply by Randy Sep 19, 2011. 25 Replies

I just got my APM two weeks ago.Read though all the wiki and loaded the arducopter code 2.0.39 beta. It was the code which was available at that time through the mission planer.Now the latest one is…Continue

 

Christoph's Page

Latest Activity

Christoph replied to Mhct's discussion Iris+ sudden fall in the group IRIS
"Hopefully anyone with more experience in log reading will have a look and tell us what might have happened. Would be good to know what the signs are in case an ESC or motor fails versus the arducopter produces faulty output signals."
Saturday
Christoph replied to Mhct's discussion Iris+ sudden fall in the group IRIS
"It seems scary but the point is to figure out what happened. I believe in the majority of cases something went wrong which could have been prevented. Like in above case. As said I am not an expert in log analysing but here it rather looks like the…"
Friday
Christoph replied to Mhct's discussion Iris+ sudden fall in the group IRIS
"You roll angle also changed a lot. Did your IRIS fail to take off and tipped over?"
Friday
Christoph replied to Mhct's discussion Iris+ sudden fall in the group IRIS
"I had a look at the log file. Although I am no expert it looks strange to me. If I read it correctly the log shows a crash error already before you took off. I don't know how the crash error is triggered? By tough accelerations? Did you do…"
Friday
Christoph replied to Justin M's discussion 3DR Iris Screwed Me Again! in the group IRIS
"Had a look at your logs again. Still I am not an expert yet ;) My interpretation is something went wrong with the ESC. When your bird fell out of the sky the current drawn from your battery is going against zero, which confirms that your motors all…"
Friday
Christoph replied to Justin M's discussion 3DR Iris Screwed Me Again! in the group IRIS
"Sorry to hear about your crash. I'm curious what comes out as reason. I have never analysed logs but just played around with your crash log file. From the video it sounds as if all motors shut down and then your bird fell from the…"
Thursday
wendell austria replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
" I built a y6b over a year ago , i liked the way the pixhawk worked so i used it in a second build in a quad frame...I picked up a Iris+ a month ago for my kids and to compare their RTF Iris+ to my builds....and it flys great , does everything…"
Jun 23
DavidFolts replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Isn't that limit for Continuous Wave Signal output on a given channel/band? I'd max it out considering the modulation scheme is digital FHSS and you are spreading a tiny signal over a broad (relatively) piece of RF band. You should be able…"
Jun 20
Christoph replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Is it maybe normal and if I would increase to the max of 20mW I would get the suggested 200-300m range? However where I am only <10mW is allowed."
Jun 20
Christoph replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Antennas seem to be tight. I looked at some tlogs from my flights and there I can see that noise is around 50-60 (whatever the unit is) and the RSSI is on avg. only 100 and then during flight coming down until it crosses the noise and I lose…"
Jun 20
DavidFolts replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Are you trying to connect with your Iris+ through dense foliage as you fly the missions? I noticed some attenuation when I had trees between me & the Iris. I also use a very long USB cable, about 5-6 feet (2-4 meters) and mount the transceiver…"
Jun 20
Christoph replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Update: Tried more missions with point of interest. Works good. So far still without a camera or a gimbal. First I want to be sure that the IRIS+ works as it should. I also tried the follow me mode today. All fine. So in summary I am very satisfied.…"
Jun 20
Adair Hermosillo replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"I think at the beginning for me it was a kind of similar, but on my case i had a lot of troubles trying to put my Iris in the air, and certainly things goes very different as are shown on 3DR videos, the only thing that i can say of Iris +, is that…"
Jun 18
DavidFolts replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"And a damn fine case it is ... Well worth the money."
Jun 18
wendell austria replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"i've been getting most of my parts from Amazon ... with Amazon Prime shipping it's all free...and found Iris+ batteries for as low as $35 ...getting a Iris+ 3dr case sent to me with free shipping all the way out here to Hawaii…"
Jun 18
DavidFolts replied to Christoph's discussion Happy new IRIS+ pilot in the group IRIS
"Take Off First.... then do the "Guide" mode setup.  Be careful with your "Cone" around the follow/guiding subject... and don't walk under trees or you may lose clean GPS data.... critical for the mode to work. The…"
Jun 18

Profile Information

About Me:
Airplane and Helicopter Pilot. Flying Trex 450.
Please tell us a bit about your UAV interest
Recently bought an Ardupilot Mega set and would like to try it with my traditional heli.
Hometown:
Karlsruhe

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