Jonathan Hair
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Jonathan Hair's Discussions

Help Diagnosing GPS Error

Started Feb 2, 2015 0 Replies

Hello,I was in loiter with my Pixhawk powered hex doing some testing in the driveway. HDOP was not very good for the flight. I knew that but cautiously was in loiter anyway.Towards the end of the…Continue

New hex with Pixawk trying to flip on takeoff, w/ log

Started this discussion. Last reply by Hlieb Apr 14, 2015. 15 Replies

Hello,Long time APM user, but am setting up a large hex with 3DR Pixhawk for the first time.The hex is trying to flip on takeoff as soon as I spool up. The log file shows that there is a significant…Continue

Maximum current for 3DR power module

Started this discussion. Last reply by Jonathan Hair Oct 18, 2014. 3 Replies

Hello,I am building a hex with 14" props for lifting a mid sized camera. I am pretty set on running a 4S setup, as I can share batteries with my other quad.I calculate in hover I should be drawing…Continue

SimonK Firmware Motor Sync Problem with Low kV Motor

Started this discussion. Last reply by David Trcka Jun 24, 2014. 11 Replies

Hello all,Up until today I was blissfully ignorant of the potential problems of using SimonK flashed ESC on larger multicopters with high pole count low kV motors. Maybe others know about this, but I…Continue


Jonathan Hair's Page

Profile Information

About Me:
Engineer, RC nerd for 15 years, GO BLUE!
Please tell us a bit about your UAV interest
Having flown RC and helis for 15 years it was just a matter of time to get a UAV.

Jonathan Hair's Blog

DIY RC Gimbal Part 2

Posted on July 5, 2015 at 8:00pm 0 Comments

Hi all,

A few months back I posted about making my own RC controller:

I finally got around to making it work. I am very happy with the results! I ended up using code posted on RCgroups to format the PPM signal:…


Ferndale Michigan Drone Ban Defeated!

Posted on April 27, 2015 at 8:30pm 1 Comment

I am happy to report that a proposed 'drone' ban was unanimously defeated after a strong…


DIY RC Controller

Posted on April 2, 2015 at 11:15am 7 Comments

Hi all,


This past winter I built a new machine for doing more professional aerial photography. I got a 3 axis gimbal for my Sony NEX 5. I decided that to take full advantage of the gimbal, a second operator would be beneficial. My main RC transmitter, a DX7S, lacks the channels, and programmability to control all of the gimbal functions the way I…


My 2 cents to the FAA

Posted on July 9, 2014 at 8:24am 36 Comments

Not sure if anyone will ever read it, or anyone cares, but I commented here. If you haven't done so yet I encourage you to do so too:!documentDetail;D=FAA-2014-0396-0001

To whom it may…


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