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 Laser Developer's blog post DIY LiDAR scanner using the LW20 and a digital servo
"Hi LD, The gear lash effect is mostly noticeable in applications where the servo is externally getting pushed in alternate directions. Then the servo has to actively respond and take up the gear the lash in the opposite direction, effectively…"
yesterday
Gary McCray commented on Laser Developer's blog post DIY LiDAR scanner using the LW20 and a digital servo
"Hi LD, Great application and these little high res, high speed rangefinders are perfect for it. A problem I have found is gear lash, some servos are worse than others - cheap Chinese ones for instance, but lash is always a problem especially when…"
yesterday
Gary McCray commented on Chris Anderson's blog post Microsoft releases AirSim, an Unreal-based simulator for Pixhawk
"Hi Chris - - -, This is a really great project, not just for the simulator but for getting into the operational capability of the Unreal engine. Very well presented. I'm working on a Laser Rangefinder based 3D perception system and have been…"
Feb 15
Gary McCray commented on Chris Anderson's blog post Microsoft releases AirSim, an Unreal-based simulator for Pixhawk
"Hi Chris - - -, This is a really great project, not just for the simulator but for getting into the operational capability of the Unreal engine. Very well presented. Best Regards, Gary"
Feb 15
Gary McCray commented on elad orbach's blog post A real flying submarine drone
"- - - Right! Diesel electric flying submarine, about as realistic as our President. The only thing wrong with this is the date you submitted it - April 1st would have been much better. Although, now that I think of it you can probably convince our…"
Feb 10
Gary McCray replied to Ben Lovegrove's discussion 31 Uses For Drones - Have I missed any?
"Great video Ben, very professionally done and certainly covers a wide variety of uses. I think that there will be a lot more uses that drop off or pick up specific goods or items beyond the already undertaken delivery and search and rescue ones. I…"
Feb 7
Gary McCray commented on Chris Anderson's blog post Where drones sit on the Gartner "Hype Cycle"
"This is an interesting analysis and not without a lot of reality. Fun to resurrect it now and see where we are. I was always a big fan of Virtual reality, but I rode it up to the top and watched it fall off the cliff 20 years ago, now it is…"
Feb 6
Gary McCray commented on Chris Anderson's blog post Where drones sit on the Gartner "Hype Cycle"
"This is an interesting analysis and not without a lot of reality. Fun to resurrect it now and see where we are. I was always a big fan of Virtual reality, but I rode it up to the top and watched it fall off the cliff 20 years ago, now it is…"
Feb 6
Gary McCray commented on Nadia Nilsen's blog post LightWare launches the LW20 LiDAR
"Sounds great to me LD, really looking forward to getting going on them."
Feb 6
Gary McCray commented on Nadia Nilsen's blog post LightWare launches the LW20 LiDAR
"Hi LD, Just wondered where the SF20 is, My shop is done and I really want to order a couple. Also really hoping for less than 8 week lead time. Best, Gary"
Feb 4
Gary McCray commented on Vince Tu's blog post Complete power system for giant quadcopters
"DIYD has always let in the occasional promotional post that could be seen to be of specific and particular interest to the DIYD community. This post is specifically aimed at people building their own  giant quadcopters and seems to me to be…"
Feb 4
Gary McCray commented on Vince Tu's blog post Complete power system for giant quadcopters
"DIYD has always let in the occasional promotional post that could be seen to be of specific and particular interest to the DIYD community. This post is specifically aimed at people building their own multicopters and seems to me to be potentially…"
Feb 4
Gary McCray commented on Matthew Rochford's blog post Safe Flying - Top 5 Insurance Tips for Drone Owners
"Hi Tony, A lot of people read our DIYD web site, some of them actually want to build "drones" but a lot just want to get drones that can do what they want and that is DIYD enough for them. Commercial users in particular are understandably…"
Feb 4
Gary McCray commented on Matthew Rochford's blog post Safe Flying - Top 5 Insurance Tips for Drone Owners
"Hi Ernst, +1 regarding the AMA, For recreational "drone" use, their insurance is top notch and it is largely through their tireless efforts that the FAA regulations for all of us are as reasonable as they are. In the US at least we are…"
Feb 3
Gary McCray commented on Matthew Rochford's blog post Safe Flying - Top 5 Insurance Tips for Drone Owners
"PS - Update Oliver is using Verifly which lets you get a million dollars worth of insurance for $10.00 an hour when you need it by the hour conveniently using a phone app to specify the times. https://verifly.com/ For the time being, this seems like…"
Feb 2
Gary McCray commented on Matthew Rochford's blog post Safe Flying - Top 5 Insurance Tips for Drone Owners
"Hi Matthew, I'd like to inject a few thoughts here. First, liability is the biggest reason for a need for insurance, and clearly you have your neck stuck out when you are doing something as high profile as "flying a drone". Right now,…"
Feb 2

Gary McCray's Photos

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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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