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 Anderson's blog post HK releases Quanum FollowMe drone
"Hi Crispin, From a customer standpoint, it doesn't really matter whether it is an APM or an XXX. If it works as advertised and reliable, the percentage of customers who will care or have any real hope of doing anything with that information is…"
10 minutes ago
Gary McCray commented on Jonathan 's blog post Angled aluminum motor shims for 450 frame
"Hi Jonathan, Good job, I believe your perception is absolutely right. These could be useful especially for racing or where high speed forward travel is most important. That said, the concept would also better benefit from a aerodynamic frame as…"
32 minutes ago
Gary McCray commented on tosicoliver60@gmail,com's photo
Thumbnail

HEAVY_LIFT_DRONE_5_REVIZIJA_2_2016-May-04_02-48-56PM-000_CustomizedView42495777_rsz

"Hi, Twenty percent is considered about normal loss for a coaxial configuration. However, it can be a bit less and the ducted configuration can also help a little. That said, why bother, your setup would be more efficient and work just as well using…"
10 hours ago
Gary McCray commented on Chris Anderson's blog post HK releases Quanum FollowMe drone
"Seems to be a well designed system, especially interesting and possibly over the top is the 4K camera. A bit concerned that this level of autonomy and lack of manual control and low price will lead to "mishaps". But the bottom line is if…"
yesterday
Gary McCray commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"Hi Carles, I and my superclocked 970 GTX will get right on it - probably not. But I will keep my eye on this channel and as time progresses I plan on sticking my virtual toe in the water too, if not exactly diving right in. I still suspect that…"
Wednesday
Gary McCray commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"Hi Carles, I would very much like to see your follow on post. Although the Nvidia TK1 and TX1 may have the possibility of operating as on board processors I suspect what is really needed for the learning / training phase is something more like the…"
Tuesday
Gary McCray commented on pritam's blog post Affordable PTZ sensor for surveillance and inspection
"Hi Pritam, I am most concerned that for multicopter use perhaps more so than for airplane this kind of gimbal does not incorporate roll compensation. It can compensate or move in yaw and pitch but not roll. On multicopters roll is continuously used…"
Tuesday
Gary McCray commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"Hi Carles, Actually the example snow cloud photo you presented is an excellent example of why a simple preprogrammed approach might be superior. In that simple approach, the snow cloud would likely be interpreted as any other solid and thus…"
Tuesday
Gary McCray commented on Chris Anderson's blog post Analysis of UK "drone vs plane" incidents and the media hysteria over them
""We feel that reporting these incidents in this way is irresponsible, and not consistent with the high standards we would expect from an aeronautical investigative body." I second that, although, no evidence yet exists in the UK, the US or…"
Tuesday

MR60
Forrest Frantz replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"I'm not sure, but the equation for watts and mid_throttle might have gotten trashed in the previous version. "
Monday
Cala replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"This a new vers? :D  Thank's for share, I'm going to give a try in my newer ntbk to see if I have more success. "
Sunday

MR60
Forrest Frantz replied to Gary McCray's discussion Vibration Isolation and Dampening of APM / PX4 for version 2.9
"Current file"
Sunday
Gary McCray commented on Jack Crossfire's blog post Evolution of the RC car exercise coach
"And I was so happy about the size of my new XMAXX ): I forgot you had the Tim Allen version. If you set that up as a pace setter it would offer real incentive, especially if you put it behind the runner. I think I'll hook up my Kubota…"
Sunday
Gary McCray commented on Jack Crossfire's blog post Evolution of the RC car exercise coach
"@ Chris, How about some info on your rover, just getting ready to go down that road with my new XMAXX and Hokuyo Scanner and an Erle2 Brain myself. Best regards, Gary"
Sunday
Gary McCray commented on Jack Crossfire's blog post Evolution of the RC car exercise coach
"Fantastic Jack, Haven't heard much from you in the last few years, now this. As usual, making a silk purse out of a sows ear and way ahead of the rest of us. You really are my Hero and no GoPro jokes allowed. I'm sure the ex Boston…"
Sunday
Gary McCray commented on Carles Gelada's blog post Is Deep Learning the future of UAV vision?
"Hi Carles, Clearly your experience in applied deep learning using mainframes for "training" is way more than my novice attainment, so I will be more than happy to bow to your superior insight. I will be very interested to see how this…"
Sunday

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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