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 Lily closes down
"Hi Rob, Re your comment on American venture capital and the "long game". There is no long game for American Venture capital and less so lately. It is a simple quick buck game for people with a lot of money. The basic thesis is win big or…"
yesterday
Gary McCray commented on Chris Anderson's blog post New companion site for DIYDrones -- DIYRobocars
"Hi Chris, Excellent idea, maybe now that my new shop is done I can get serious about my XMAXX. Response to corey from my view anyway. Clearly advances in autonomous driverless passenger vehicles. But to me importantly environmentally aware…"
yesterday
Gary McCray commented on Chris Anderson's blog post NASA simulates Phantom airflow
"Hi Rob, Because it is unstructured zero velocity air and not a high velocity down wash, disturbance of the inflow produces a lot less loss than an equal disturbance the out flow. Among other things any impingement of the out flow directly results in…"
Friday
Gary McCray commented on Chris Anderson's blog post NASA simulates Phantom airflow
"Hi Rob, Because it is unstructured zero velocity air and not a high velocity down wash, disturbance of the inflow produces a lot less loss than an equal disturbance the out flow. Among other things any impingement of the out flow directly results in…"
Friday
Gary McCray commented on Chris Anderson's blog post NASA simulates Phantom airflow
"So, as I understand it, this model illustrates the movement of air that is counter to the air which is actually providing the thrust? It is really nice to see some serious aerodynamic simulations after all this time. Basically until now it has just…"
Friday
Gary McCray commented on Bart Theys's blog post Which one has the highest range: VTOL, helicopter, multi-rotor (or flying squirrel?)
"Hi Bart, Cutting straight to chase from experiences so far. Highest efficiency and longest range to fixed wing by considerable margin - big surprise - not. Helicopter is generally considerably more efficient than (and longer range than…"
Friday
Gary McCray replied to Derrick D Threatt's discussion DRONE SHOT DOWN: Duck hunter shoots, hits #DJI Inspire 2 in Utah
"At this point, I am sure the FAA is aware of it and even if the guy whose drone got shot doesn't want to pursue this that is not to say the FAA won't.I do think Mr. Allreds attitude is exceptionally enlightened and I wish him…"
Jan 8
Gary McCray commented on Chris Anderson's blog post Volta extends from drones to autonomous cars
"Interesting Jack, I do have some skepticism. For the Base 1 the vantage point suggests the camera would have to be on the raised stalk, but there is almost no side to side motion of the camera. Other wise the quality of the stabilization does not…"
Jan 8
Gary McCray commented on Chris Anderson's blog post Pixhawk-powered submarine shown at CES
"Hi Volta, Looking at your specs, I wondered where the Cuda cores come in, since they are Nvidia manufacturted and you do not mention including Nvidia hardware. Regardless, nice hardware design. a lot more useful than Thunder Tigers…"
Jan 7
Gary McCray commented on Chris Anderson's blog post Volta extends from drones to autonomous cars
"Wow, a $500.00 Thunder Tiger K-Rock truck with a spiffy body, a Pixhawk and a Logitech camera for only $5000.00. Seems a bit much to me, but maybe I'm missing something. Best Regards, Gary"
Jan 7
Gary McCray commented on Chris Anderson's blog post Pixhawk-powered ornithopter
"Very impressive, not surprised to see near attack from resident bird. Best Regards, Gary"
Jan 3
Gary McCray commented on Gary McCray's blog post Fun for Christmas - Replacing a light bulb with a drone!
"How many drones does it take to change a light bulb? Good thing they are making them tougher these days. Happy Holidays! Thanks for putting in the full embed code. Best, Gary"
Dec 28, 2016
Gary McCray posted a blog post

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

First - You need a lot of light bulbs:A friend sent me this and it seemed perfect for a little Christmas cheer.See More
Dec 27, 2016
Gary McCray replied to Tyler Troutt's discussion Best folding propss for multicopters?
"Hi Tyler, Although I don't use folding props on multi's myself I would look at both the folding hubs and props from KDE direct if I were you. I do use their motors and they are of excellent quality and design. They have an excellent…"
Dec 24, 2016
Gary McCray commented on Chris Anderson's blog post New store for ROS-compatible hardware
"Excellent site, Really been looking for something like this, but I personally would prefer US access (and shipping) to ordering from Spain. It would also be nice if Lightware could get their scanner and new SF20 rangefinder on here. Great idea, ROS…"
Dec 19, 2016
Gary McCray commented on Rob_Lefebvre's blog post Procyon 800E Enters Limited Production
"Hi Rob, Knew you were using a Pixhawk, just wondered what flavor. I'm looking for best new one myself, knew you wouldn't accept anything but the best for the Procyon. Pretty much settled on the cube too. Makes me nervous using…"
Dec 16, 2016

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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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