Gary McCray
  • Male
  • Fort Bragg, CA
  • United States
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Profile Information

About Me:

I am the Owner and Author of these advertising-free informative web sites:
Now flying, rolling or under construction:
  • Hoverthings FLIP FPV Pro Quadcopter with Pixhawk, 14" props, KDE 515kv motors, telemetry, Sony AS100V Video Camera, Brushlesss Gimbal and FPV.
  • Custom CF tube H/dead-cat Quadcopter with Pixhawk, GoPro, Gimbal & FPV.
  • Hoverthings FLIP Sport Quadcopter with PX4.
  • ARF DJI FlameWheel 330 Quadcopter with PX4.
  • ARF DJI Flamewheel 450 Quadcopter with APM 2.5.
  • Blade 200 QX, Hubsan X4 and Estes Nano Quadcopters.
  • My design: Hanging pendulum style robot with 2 brushless 26" bicycle wheels.
  • Traxxas Stampede 4x4 Rover with PX4.

Professional History:
  • (Retired) Microcomputer Engineer, Hardware and Firmware.
  • (Past) Lead Editor of DIYDrones APMcopter, APMplane and APMrover wikis.

Please tell us a bit about your UAV interest
  • Reentry into RC Planes 3 years ago.
  • Lots of PIC hardware and C and assembler programming experience.
  • Currently interested in Quadcopter development, robotics, 3D vision, environment relative autonomous navigation, Linux, Beagle Bone, Odroid, TOF cameras and LIDAR.

Hometown:
Mendota Illinois

Latest Activity

Gary McCray commented on Chris Anderson's blog post More powerful Pixhawk 3 coming soon
"@ Ian - Chris, To say this is an incendiary issue is an understatement. For one thing, the split of 3DR with Ardupilot and adoption whole cloth of Lorenz - Pixhawk - Dronecode was in no way mutual. From all accounts at the time it was an ouster of…"
2 hours ago
Gary McCray commented on Chris Anderson's blog post More powerful Pixhawk 3 coming soon
"+ 1 to Olivier and Chris, following that route has a lot of benefits. You can have separate primary control controllers for aerial and robotic use with common interfaces to more advanced functionality on specialized companion computers. It provides…"
4 hours ago
Gary McCray commented on Chris Anderson's blog post More powerful Pixhawk 3 coming soon
"Hi Rob, I agree that the combined graphic is misleading, especially regarding Pixhawk 2 AKA cube.Simply putting everything in a rectangular bounding box grossly misrepresents it's relative size.Especially when this is the real thing. I think…"
10 hours ago
Gary McCray replied to Brad Hughey's discussion The Case for Large-Scale Electric Multicopters
"Hi Brad,Very interesting to see Dr. Pounds involved in this project and a ducted fan with considerably different prop blade design than his University Quadcopter.I would have thought that normally a bit larger diameter and no duct would have been…"
yesterday
Gary McCray commented on Chris Anderson's blog post OpenMV and ArduPilot tracking a colored ball
"Cool, I can put a red ball on my hat and get it to follow me around, of course it seems to want to land there as well, that could be a problem. Also probably don't want to use at Christmas, Rudolph shows up and there goes your drone. Seriously,…"
Monday
Gary McCray replied to Clive Milton's discussion DJI After Sales Service and Tech Support Issues
"Hi Clive, Oops - left out the main point - NOT - most definitely "NOT". Personally I have so far avoided buying a DJI anything, but I have several friends with them, including Phantoms and Mavics. And they all love them. They do not love…"
Saturday
Gary McCray replied to Clive Milton's discussion DJI After Sales Service and Tech Support Issues
"Customer service definitely does seem to be one of DJI's strong points. To be fair 3DR also had a pretty abysmal record for customer service by many accounts. Horizon seems to have a better track record and they have a wide variety of…"
Saturday
Gary McCray commented on Bob Morley's blog post More progress...
"Hi Bob, I greatly approve of making a copter that can fit in the underweight class, I think that is going to be a huge market in the future.It was basically put in so they didn't have to try and deal with toys, but advances have been so fast…"
Apr 20
Gary McCray commented on Gary Mortimer's blog post Do not be that guy, 133 new flight restriction areas for drone in UAS
"Hi All, After looking at some of the areas, from what I can see most of them pretty much looked like a no-brainer to be not flying in before the regulations. For the most part they are directly over actual government installations, most of them…"
Apr 8
Gary McCray commented on Olivier's blog post No Parachute? No problem! (There’s an app for that)
"That is an amazing save!Great job guys."
Apr 7
Gary McCray commented on Colin Snow's blog post The War is Not Over: Why Agriculture Drones Deserve a Closer Look
"Hi Colin, I always thought your predictions of doom for Agricultural drone use might be a bit a premature. This has been and is one of the areas where technology is progressing the fastest and where real consumer participation is driving…"
Apr 1
Gary McCray commented on Hein du Plessis's blog post VTOL by Arkbird
"Hi Rick, Yeah on further reflection I can see that in VTOL(ish) mode you would probably need servo control plus independent throttle control in order to maintain stability, orientation, course and control. Otherwise it would be impossible to control…"
Mar 31
Gary McCray commented on Hein du Plessis's blog post VTOL by Arkbird
"That is one cool design Tridge, Seems like you could almost get by with free pivoting prop motor units, maybe spring loaded a bit or with appropriate weight / pivot offset. I can't tell if that one is using a servo or not. Best Regards, Gary"
Mar 31
Gary McCray commented on Randy Sonnicksen's blog post Bearingless Rotor for Variable Pitch Quadrotor
"Hi Randy, I couldn't find Brad's page searching in DIY drones, but here it is from an external Google search. http://diydrones.com/profile/BradHughey345 I don't think the DIYdrones search is working very well any more. Definitely…"
Mar 31
Gary McCray commented on Hein du Plessis's blog post VTOL by Arkbird
"The overwhelming problem with this design is that wind and gusts makes them incredibly difficult or impossible to land successfully. Even weathervaned so that the wind runs parallel to the wing from the end you are left with any vertical control…"
Mar 31
Gary McCray commented on Randy Sonnicksen's blog post Bearingless Rotor for Variable Pitch Quadrotor
"Very interesting design Randy. Most people don't know how unmanageable fixed pitch multirotor propellors become as the diameter increases. Your self compensating variable pitch system is an interesting approach to overcoming this problem. I…"
Mar 28

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Gary McCray's Blog

Fun for Christmas - Replacing a light bulb with a drone!

Posted on December 27, 2016 at 2:30pm 1 Comment

First - You need a lot of light bulbs:

A friend sent me this and it seemed perfect for a little Christmas cheer.

Sony FDR X3000 4K Action Cam

Posted on December 4, 2016 at 8:52pm 9 Comments

Hi All, Sony has actually given us something to think about.

http://www.sony.com/electronics/actioncam/fdr-x3000-body-kit

The Sony FDR X3000 Action Cam has 4K resolution, but for our use, the BOSS…

Continue

Really, really stupid idea of the month, maybe the whole year!- - Drone attack Eagles!

Posted on February 1, 2016 at 6:56pm 38 Comments

I just saw this on our local news and was surprised nobody else had posted it here yet.

Easily the truly stupidest idea I have ever seen - Dutch Police train Eagle to take down drone.

Better than the UnAmerican Eagle in the Our Man Flint Movies (that dates me a bit I'm…

Continue

FAA/DOT UAS Registration - A Very Short Window to Comment

Posted on October 29, 2015 at 12:16pm 11 Comments

Hi All,

We have a very short window of opportunity to comment on the FAA's proposed registration process.

I have sent in the following comment which you are welcome to copy, edit, do whatever you want with, but I think it realistically presents a decent case for moderation and common…

Continue

Comment Wall (5 comments)

At 8:14am on February 13, 2013, Jethro Hazelhurst said…

H Gary,

First off, thank you for the superb job on the F330 construction page and wiki table of contents.

I will Email you the Image so that you can put it where you see fit.

Many thanks again!

Jethro.

At 10:49pm on May 21, 2013, Jorge Antonio Saldaña Rosales said…

Hola que tal Gary sabes el hadware que necesito para hacer mi drone Cooperativo

At 5:17pm on May 22, 2013, Michael said…

Hi Gary,

Just a thing on shipping rates (from your comment). I was also mad because of high shipping. I sent support an email and they shipped the parts for free through standard mail! I got it in 2 days ( I live on the east coast). There is a size limit though, can't go above 13 oz, but for small parts its fine. Oh and btw, when you email them, ask for Lorena, it may take a day or 2 more because of her work hours, but she's been amazing with shipping like this.

 

Sorry this is the only way I could contact you!

 

Michael

At 3:35pm on March 26, 2015,
Admin
Thomas J Coyle III
said…

Hi Gary,

Re: Fire Cape

I have been thinking about it, but have not decided to move on it yet.

Thanks,

Tom C

At 1:30am on June 29, 2016, Jerry Zhang said…

Hi Gary,

I have read your comments on http://diydrones.com/profiles/blogs/autonomous-camera-imu-based-localization-for-a-ar-drone-quadrotor?xg_source=activity.

I am a student studying on path recovery using Parrot Ardrone2.0 . Is there a way to use its intrinsic sensor to do this? Do you solve it? 

Thank you.

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