Jason Dorie
  • Male
  • Petaluma, CA
  • United States
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Latest Activity

Jason Dorie commented on Mark Harrison's blog post E-Waste Quadcopter Lifts Your Spirits While Keeping Costs Down
"If one of these fans doesn't provide enough power to lift itself, just add more of them until they can.  I see a dodecacopter on the horizon."
Apr 2
Jason Dorie commented on VGR-Systems's blog post Quaternion AHRS with uPilot32
"I'd guess that rotation to be compass error from the metal laptop maybe?  I initially thought it might be that the accelerometer contribution was too high, but I'd expect that to pull pitch or roll, but not yaw."
Feb 28
Jason Dorie commented on Adam Conway's blog post The New Normal?
"I can't say for certain, but I don't think that was the phantom radio itself - Anything plugged in via S-BUS or PPM goes into failsafe immediately.  Anything plugged in via PWM requires the receiver support failsafe, and many just go…"
Feb 3
Jason Dorie commented on Jack Crossfire's blog post Drone fly-in
"@Gary - It *did* occur to me that it might've been sarcasm, but it was hard to tell.  @Jack - I'm sorry I missed seeing the Marcy 1 flying - That was one of the coolest things there."
Jan 21
Jason Dorie commented on Jack Crossfire's blog post Drone fly-in
"The "some guy" trying to get the crawler working is actually Chris Anderson. (Creator of DIY drones, 3DRobotics...) I had a good time and was glad I made it out."
Jan 20
Jason Dorie commented on Marque Cornblatt's blog post SF Bay Area Drone Meetup & Fly-in, Sunday, Nov 24th
"I'm going to try to make it to this one.  I'll bring my paintball gun *and* my drones.  :)"
Nov 20, 2013

Moderator
Sgt Ric commented on Jason Dorie's blog post Ahhhh, 'Merica
" That sheriff really should do up his zipper!"
Jul 19, 2013

Moderator
Sgt Ric commented on Jason Dorie's blog post Ahhhh, 'Merica
"@Falcon UAV, sounds like a fun idea, but watch out for all those towers and guy wires... not to mention shotguns!"
Jul 19, 2013
Falcon UAV commented on Jason Dorie's blog post Ahhhh, 'Merica
"I am about 60 minutes away and would be happy to fly down there the day or two before if anyone else interested.  The whole town is less than one square mile so I could do a high resolution mapping mission in a flight from 100-150m."
Jul 19, 2013
HeliStorm commented on Jason Dorie's blog post Ahhhh, 'Merica
"TCIII...Yeah, that works too. For the longest time, I assumed Duck Dynasty was some wildlife program, like Meerkat Manor. I don't watch a lot of TV..."
Jul 18, 2013

Admin
Thomas J Coyle III commented on Jason Dorie's blog post Ahhhh, 'Merica
"@Helistorm, Maybe we should call it "Drone Dynasty".:-) Regards, TCIII"
Jul 18, 2013
Euan Ramsay commented on Jason Dorie's blog post Ahhhh, 'Merica
"Yeehaw....   This story is all the more confusing to non-merkins who's view on guns are slightly more conservative. This is not the same conservatism promoted by the NRA it should be noted..."
Jul 18, 2013
Wingman4l7 commented on Jason Dorie's blog post Ahhhh, 'Merica
"Buying a license from your local governing body to shoot down drones flown by your federal governing body?  There's a joke in there somewhere."
Jul 17, 2013

Admin
Gary Mortimer commented on Jason Dorie's blog post Ahhhh, 'Merica
"Seems to me that the weekend of the 3rd and 4th of August would be a perfect one to go fly there in a drone love in style event before its enacted. Are there enough members in Colorado to do it? Would the Sparkfun guys send…"
Jul 17, 2013
HeliStorm commented on Jason Dorie's blog post Ahhhh, 'Merica
"Gary...very cool. I envision selling this service to the paranoid types as training to fight drones. Maybe a class with tips on types of systems one might encounter, etc. Much like the drone detector someone posted before, it would be more sizzle…"
Jul 17, 2013

Admin
Gary Mortimer commented on Jason Dorie's blog post Ahhhh, 'Merica
"There have been outfits selling rc aircraft for shoots for years http://www.gnatusa.com"
Jul 17, 2013

Profile Information

Please tell us a bit about your UAV interest
I fly model planes and helicopters, and I'm a software developer. UAVs seemed like a pretty logical next step.
Hometown:
Petaluma, California

Propeller with Propellers

Here are a few videos of my custom quad rotor - scratch built and programmed.

Most recent flight (and crash) - YouTube

Last flight prior to adding heading hold on all axis - YouTube

Jason Dorie's Blog

Ahhhh, 'Merica

Posted on July 17, 2013 at 2:00pm 20 Comments

Saw this today: http://news.yahoo.com/blogs/sideshow/drone-hunting-colorado-172357477.html

It's interesting that the article leads with a photo of a hexacopter, calls it an octocopter, and the drone bounty…

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Configuration tool preview

Posted on December 13, 2011 at 3:18am 2 Comments

A number of people have expressed interest in building quads based on mine, and using my software.  In order to help get them set up quickly, I've started working on a real-time diagnostic and setup tool that interacts with my quad flight software.  My flight software looks like it'll be compatible with at least one commercial board (the HoverFly Sport) as we use the same MPU and gyro sensor, so you'll be able to buy their hardware and try my flight controls if you…

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Outdoor test video of my latest quad

Posted on December 10, 2011 at 9:37pm 6 Comments

Here's a better video of my latest quad / code. I doubled the maximum angular rates in anticipation of some stunt flying. I probably still have to bump them higher, but I wanted to see how it handled, if it affected stability, and so on. It's just as stable, but much more nimble.

Video of my latest quad

Posted on December 9, 2011 at 1:11am 4 Comments

I've done some more work on the stability code in my Propeller-based quadrotor and gotten significantly better flight performance.  It still needs some tuning, but all my oscillation problems are gone.

In the office:

Walking around outside the office:…

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Comment Wall (1 comment)

At 4:25pm on April 13, 2011, Mathias said…

I briefly dug through your code and let me join the long list of others in congratulating you!  I too have been working on this for quite some time and can say that all the time and effort will be well worth it the first time you see it fly by itself.
I will send over my updated code soon with some basic control algorithms that you might like to take a look at.  I spent quite a while testing the DCM and quaternion based estimators with flightgear (which I highly recommend for dialing in your gains and velocity correction algorithm (and it's super simple to implement)).  Good luck and I hope to hear back from you!

-Matt 

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