Christian Elsen
  • Male
  • San Francisco, CA
  • United States
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Latest Activity

Paul Skrotzki replied to Christian Elsen's discussion 3DR: You need to recall IRIS!!! in the group IRIS
"This screw length issue I new to me.  I have not been aware prior to reading this link. I am also aware of another issue.  The US government is installing a program in various airport to enable drone flight to be reported to the local…"
Jun 16, 2016
Christian Elsen replied to Roman's discussion Tarrot vibrations in the group IRIS
May 15, 2015
Christian Elsen replied to Matt Alter's discussion Iris + transmitetr battery level in the group IRIS
"Buy a Lipo for your R/C transmitter and just charge it with your regular flight Lipos. But watch out! The polarization on a lot of the Lipos that are recommended here are swapped. You will fry your R/C transmitter if you don't fix them…"
Mar 23, 2015
Christian Elsen replied to Matt Alter's discussion How to chagre gopro while in gimbal in the group IRIS
"No it's not too bulky. It works perfectly. See here: https://www.cloud-surfer.net/2014/07/11/angled-mini-usb-adapter-for-gopro-in-tarot-gimbal/ Or if you want to take it off for during flights, you can carefully cut the rubber casing off.…"
Mar 22, 2015
Christian Elsen replied to Mark Prince's discussion IRIS+ battery rocks! in the group IRIS
"Yes, they are really that good. That's why I ended up with 4 of them. :-) Even after quite a few cycles they are still performing great. The plateau voltage stays pretty high and temperatures of the Lipo are very reasonable.  Personally I…"
Nov 21, 2014
Christian Elsen replied to Mike J's discussion Iris+ FPV setup for GoPro 4
"On your FPV TX you have two cables coming out: - Cable with red plug. This is for power and goes onto the LC power filter, which in returns connects to the FatShark filtered balance lead. - Cable with black plug. This is for the video signal. the…"
Nov 10, 2014
Christian Elsen replied to Roman's discussion Tarrot gimbal vibration issue in the group IRIS
"That's unfortunately a known issues. Check out this post on how to fix it: https://www.cloud-surfer.net/2014/07/11/get-rid-of-jello-with-the-tarot-t-2d-gimbal/ Hope that helps!"
Nov 9, 2014
Christian Elsen replied to Murat's discussion IRIS looses altitude during Loiter in the group IRIS
"Can you please enable logging for vibrations and do a test flight again. You barometer-based altitude and GPS based altitude differ a bit at times (See below). This is usually caused by vibrations. When did you purchase your IRIS? Did you buy it…"
Oct 27, 2014
Christian Elsen replied to SkyRover's discussion Trouble With Auto Mode in the group IRIS
"Behavior of Region of Interest (ROI) differs between Arducopter 3.1 (which IRIS came out with) and Arducopter 3.2 (which IRIS+ is currently using).  Have a look here on more…"
Oct 27, 2014
Christian Elsen replied to Glenn Spencer's discussion Iris+ Spirals out of control and crashed in the group IRIS
"But looking at your throttle curve, I can see that towards the end of the flight you have to give 100% throttle for a long period of time to keep the quad in the air. That doesn't leave room for any maneuvering and most likely was a factor in…"
Oct 27, 2014
Christian Elsen replied to Glenn Spencer's discussion Iris+ Spirals out of control and crashed in the group IRIS
"You have to download and provide the so-called Dataflash logs (http://copter.ardupilot.com/wiki/downloading-and-analyzing-data-logs-in-mission-planner/#Downloading_logs_via_MAVLink).  The Telemetry logs (tlogs) aren't very helpful in…"
Oct 27, 2014
Christian Elsen replied to Brian's discussion 3DR Iris GPS HDOP
"Have a look here: https://cloud-surfer.net/2014/09/12/high-hdop-values-when-flying-iris/ Explains some more the story at what you believe is the HDOP value shown and how to fix it."
Oct 15, 2014
John O'Shaughnessy replied to Christian Elsen's discussion FPV setup for IRIS in the group IRIS
"As I mentioned elsewhere, thanks for taking the time to write up some a wonderfully detailed and illustrated guide!  I'll be sure to put this to use as I set up my FPV configuration. John"
Sep 30, 2014
Mark Prince replied to Christian Elsen's discussion FPV setup for IRIS in the group IRIS
"That is pretty cool although I prefer for the telemetry to goto MP or DP.  Thanx, mp"
Sep 29, 2014
Stone1295 replied to Christian Elsen's discussion FPV setup for IRIS in the group IRIS
"Thanks for writing this up Christian! :) -Mike"
Sep 29, 2014
Christian Elsen replied to Christian Elsen's discussion FPV setup for IRIS in the group IRIS
"Telem2 is used to display flight data on the display of the R/C transmitter. The FrSky R/C transmitter/receiver in IRIS and IRIS+ comes with it's own Telemetry capabilities. While unused in IRIS, IRIS+ now makes use of that. See here for…"
Sep 29, 2014

Profile Information

Please tell us a bit about your UAV interest
Just starting my UAV adventure with a 3DR IRIS.
Hometown:
San Francisco

Comment Wall (1 comment)

At 12:06pm on July 9, 2014, hotelzululima said…

nah on the graupners we already know those dont have the right airfoil for this thanx to you :)

      hzl

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