A group for all 3DR Iris / Iris+ discussions, questions and owners.

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Members: 832
Latest Activity: Jan 31

Discussion Forum

bad crash last Saturday - can someone here read logs and analyze ?

Started by Ray. Last reply by Ray Jan 31. 13 Replies

well today just wasn't my day.I wanted to video some today of a lake near here that is soon to be refilled after the dam was replaced for the 2nd time. I preflighted my IRIS+ and even flew it around…Continue

IRIS+ Fail, Flew Away and Crash

Started by Quauhtli Noel Martínez Zazueta. Last reply by Ray Jan 22. 81 Replies

Hello everyone:Yesterday, what it seemed like a nice day to fly, it became the end to my IRIS+. I just started flying over a wheat field and suddenly the IRIS+ stopped responding telemetry commands,…Continue

iris+ to Pixhawk 2

Started by David Tipping. Last reply by Bruce Parmele Oct 13, 2017. 3 Replies

Hi - has anyone swapped the Pixhawk in their Iris+ for a Pixhawk 2?How did it go, are there advantages, how did you cope with the different cabling, what was the cost, would you recommend this to…Continue

Iris + won't arm

Started by Michael Foate. Last reply by Michael Foate Aug 22, 2017. 2 Replies

I have an Iris + using a Spektrum satellite and DX9 radio. I can only get the Iris to arm and motors run when the Iris is connected to my computer via USB (plus with LIPO plugged in of course).If I…Continue

Comment Wall


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Comment by armen t on September 3, 2015 at 7:18pm

any body have an iris that switched over to the DIY frame?

ive been wanting to do this for a while but wasnt sure if it would improve performance.  

Comment by Jimmy Oliver on August 29, 2015 at 9:22am

Here is a new motor mount for the "Frog" drone project

Play Animation

Comment by Jimmy Oliver on August 29, 2015 at 8:42am

That's great to hear! Thx Ray

Comment by Ray on August 29, 2015 at 4:08am

Jimmy O,

I received the picatinny Iris+ motor wire hold down clips you sent. They snap on easier than the originals.  Good stuff!

Comment by Justin H. on August 11, 2015 at 10:46am

Is the X8-m still a thing? It is in the 3DR store. With roughly the same flight time and range as an IRIS, and the current ability to make great maps from GoPro aerials, I don't see what the advantage is. I guess my comment below would really lead to an IRIS/X8 merge...

Comment by Justin H. on August 11, 2015 at 10:21am

Considering what DJI is doing with the Matrice 100, I hope the IRIS has a new iteration as an even more robust DIY platform, perhaps without the performance and usability issues related to fitting everything in a shell. The pixhawk/mission planner combo is still the best way to fly waypoints for mapping. It would seem like a quick win to build off the huge amount of experience gained with the Pixhawk, IRIS and IRIS+ and make a simple, reliable, expandable platform as an alternative to the hobby-grade, consumer-friendly Solo. The UAS equivalent of a Jeep maybe.

Comment by Ray on August 10, 2015 at 10:51am

Oh, one thing I neglected to add on the drawing... in addition to the the index pins there needs to be some screws or other fasteners holding the cap to the motor mount cup.  Probably several ways to do that...

Comment by Ray on August 10, 2015 at 10:46am


As long as you are designing arms for Iris consider the modifications in the pic below.  This would greatly simplify changing out broken arms since you wouldn't have to unsolder the ESC and LED wires.  Sorry for the rough drawing... I don't have any decent software for that and had to make do with MS Office.

Comment by Jimmy Oliver on August 7, 2015 at 11:45am

Spent a few months designing this mod for the Iris+ after meeting with the Berkeley team and seeing the Solo up close. Arms are no fun to design. I attempted to reduce weight and remove things from the FOV for video. There are many tweaks ahead but I am pleased that I can build modular solutions for this platform.

Comment by Ray on August 6, 2015 at 6:27pm

Thanks, Mike.  I solved my problem.  The repair was fine after all.  Turns out I had dropped the transmitter after the crash and it loosened the connectors for the left stick (throttle and yaw) so Pixhawk just wasn't seeing the signal to even try to arm.  Wasted a lot of time going back to look inside of Iris for issues and it was the darned transmitter.  Murphy's law is still in effect...


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