Gary McCray
  • Male
  • Fort Bragg, CA
  • United States
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Gary McCray's Page

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's blog post Queen B Robotics introduces the Exo360! 5 integrated 4K cameras for the ultimate VR experience
"Sounds great Chris, If you can really pull that off, it should be an excellent system. My guess is serious real time video processing power is required on the order of a significant multi GPU based system like the Nvidia TX1 to accomplish that…"
11 hours ago
Gary McCray commented on Chris's blog post Queen B Robotics introduces the Exo360! 5 integrated 4K cameras for the ultimate VR experience
"Hi Chris, I notice when looking at the actual 360 videos linked to by others for your copter and when I use the 360 view pan feature, to the sides there is considerable misalignment of camera overlap. And also there is quite a bit of jerkiness, lack…"
11 hours ago
Gary McCray commented on Alexandru Evian's blog post NVIDIA Jetson TX1 carrier boards overview
"@ Fnoop the TX1 Module is slated to be $299.00 in 1000 unit quantities (though I don't know if they are actually shipping these yet. Given that the TX1 dev board with the TX1 Module is "only" $599.00 it is actually a pretty good…"
Saturday

MR60
Forrest Frantz replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"Latest Version"
Saturday
Gary McCray replied to Forrest Frantz's discussion Vibration--Finally Solved ... The Frantz Strut
"Really well thought out research and development Forrest. My experience has also shown that having a bulk of the mass in the isolated / damped section of the copter is optimal for vibration reduction but sometimes suffers from somewhat slower…"
Saturday
Gary McCray commented on Chris Anderson's blog post RobBees can now use static electricity to perch on any surface
"@ Maxime, Great idea, sadly these early devices are not at all energy efficient so you would likely need to provide a high power RF transmitter to power them. Still with a little work, that could be useful, I can almost see Tesla smiling down on us…"
Saturday
Gary McCray commented on Chris Anderson's blog post RobBees can now use static electricity to perch on any surface
"Really great article Chris, Definitely points out how when you get down to this scale all the rules change. First wings, now electrostatic adhesion. Now if only they can figure out a way to power them on board."
Friday
Gary McCray commented on Alexandru Evian's blog post NVIDIA Jetson TX1 carrier boards overview
"Great to see some info on the TX1 showing up here. For a lot of vision / navigation purposes I think the TX1 is going to be the go to platform for us. I also agree that the Dev kit carrier board is large for UAVs and this group represents an…"
Friday

MR60
Forrest Frantz replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"Posted the solution to vibration control here. (sorry about the delay ... the site was down for a few weeks) http://diydrones.com/forum/topics/vibration-finally-solved-the-frantz-strut"
Friday
Gary McCray commented on Chris Anderson's blog post Teaching rovers to powerslide with ROS
"@ Rob, Judging from the second video our days may be numbered as passengers too. :)"
May 19
Gary McCray commented on Hugues's blog post Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk
"Hi Francisco, A new Pixhawk with as yet undisclosed deletions of any kind can easily be an unacceptable solution for Commercial operations to depend on for their now and future use. And from what has been said it appears that this is the case at…"
May 18
Gary McCray commented on Hugues's blog post Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk
"Hi Francisco, The situation is either confusing or inadequate depending on how you look at it. It is confusing because we really have no idea what is coming and it is inadequate because what we do "know" seems to indicate that there will…"
May 18
Gary McCray commented on Hugues's blog post Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk
"Hi Francisco, I disagree, it is not a "reading comprehension problem". When the original APM was released and improved there was constant feedback between the Devs and the community as to what features and capabilities it would…"
May 18
Gary McCray commented on Hugues's blog post Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk
"Hi Wolfgang, Thank you for clarifying the obfuscation. I too have been trying to piece together what is actually happening both from what has been said and what isn't being said. From the above quotes it sounds as though 3DR is committed to…"
May 18
Gary McCray commented on Hugues's blog post Review & test of Gearbest's Pixhawk and comparison with 3DR's Pixhawk
"Nice Job, This is a great idea. Now that 3DR has moved on, it does leave it to us to figure out what does work and what doesn't without any further real or imagined proprietary concerns. Several of the Devs have already been working with…"
May 16
Gary McCray commented on Randy's blog post Terrain Following Missions using Lidar
"Hi Randy, TX1 - Super Cool, that should definitely have the power. Very much looking forward to where you are headed. Best Regards, Gary"
May 15

Gary McCray's Photos

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Gary McCray's Blog

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…

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Great deal on a 3 axis gimbal with Alexmos controller

Posted on June 26, 2015 at 4:00pm 64 Comments

Just had to tell all of you about this $59.95 three axis gimbal deal on EBay:

This seemed like a great deal and looks to be identical to DYS Gimbal on Hobbyking which is $200.00.

I got one and quality appears excellent though I haven't tried to use it yet (I will probably get…

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My thoughts on the state of affairs.

Posted on February 11, 2015 at 9:30pm 3 Comments

Recently a local radio station asked me to comment on an interview relating to the current status of "drones".

I am enclosing the letter I sent to them declining phone interview for the reasons specified, but putting my "opinions" in writing instead for them to use as the…

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Comment Wall (4 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

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