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, 13" props, KDE 515kv motors, telemetry, GoPro, 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.
  • My design: Hanging pendulum style robot with two 26" brushless 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 Nuno's blog post V-Map precise aerial mapping
"Here is their web site: http://www.microaerialprojects.com/v-map/ They don't seem to mention price (except - affordable). Wonder for whom? - small countries perhaps."
2 hours ago
Gary McCray commented on Thomas J Coyle III's blog post First UAV Near Miss with Ag Aircraft Reported in Pacific Northwest
"For better or worse, flying cameras with complete dunderheads are in our future and probably going to grow faster than any other segment. We need to figure out how to handle this. One concept I have says if you cam make them small, light and…"
Saturday
Gary McCray replied to Forrest Frantz's discussion Building Copters with Round Tubes - Stronger, Lighter, Easier to Mount Motors than Square Tubes in the group ArduCopter User Group
"Calibrated Eyeball Blobs, But I've actually had to do this thing a lot in my former jobs, so I'm probably better than average at it. Wife is also using it in her jewelry business to glue fused dichroic glass cabochons on to stainless steel…"
Saturday
Gary McCray replied to Forrest Frantz's discussion Building Copters with Round Tubes - Stronger, Lighter, Easier to Mount Motors than Square Tubes in the group ArduCopter User Group
"I got my 2216 Gray in tubes from a source on EBay that has it for less than half the normal price (and it is…"
Friday
Gary McCray commented on Trent at MyGeekShow's blog post NCR18650B - The Future of RC Aircraft Batteries?
"Hi Trent, I have heard of a few other people successfully doing tabs with a big soldering iron, good to know it actually works. Got to be quick though to keep from overheating the battery. Look forward to your video."
Friday
Gary McCray commented on Trent at MyGeekShow's blog post NCR18650B - The Future of RC Aircraft Batteries?
"Hi Trent, I was wondering how you do the battery tabs, do you buy pre-tabbed batteries or do you have a welder. I have a really nice 1KW 0-50 volt lab power supply and was thinking of building a capacitive welder. Best, Gary"
Friday
Gary McCray commented on Trent at MyGeekShow's blog post NCR18650B - The Future of RC Aircraft Batteries?
"Fixed wings can operate with a lot less load than copters and small UAV types like the Bixler or Techpod or Skyhawk can certainly be operated within the range permissible for 18650's in an appropriate series/parallel configuration. But you will…"
Friday
Gary McCray commented on Trent at MyGeekShow's blog post NCR18650B - The Future of RC Aircraft Batteries?
"Hi Peter, 18650's are completely unsuitable for your copter because of their low C rating. To use 18650 really requires a very specific highly optimized design to run at maximum efficiency to get current draw low enough. Hobbyking has a new…"
Friday
Gary McCray replied to Forrest Frantz's discussion Building Copters with Round Tubes - Stronger, Lighter, Easier to Mount Motors than Square Tubes in the group ArduCopter User Group
"Great article Forrest, I am also a strong advocate of CF tube. Round tube also has approximately half the effective flat plate area of equivalent size square tube. Based on Forrest's previous recommendation in another post I am also using this…"
Friday
Gary McCray replied to Shyam Balasubramanian's discussion MAVLink Tutorial for Absolute Dummies (Part –I) in the group ArduCopter User Group
"Hi Shyam, Absolutely great tutorial. Would you mind if I put a copy of your PDF (and future ones) on my Drones Are Fun site for people to link directly to from there? Best Regards, Gary"
Friday
Gary McCray commented on F. C. Bearsch "Tearig"'s blog post "Superman" flight mode - intuitive interface design - (Flight Mode Drift + Head-tracker for control)
"Hi Tearig, Excellent considerations for increasing the immersive feel and response of the flight experience. The problem with using eye tracking in an Oculus rift is you still have a quite limited physical field of view so straight ahead view is…"
Friday
Gary McCray commented on UASys's blog post The issues with current multirotors and how we want to fix them
"Looks like a great project guys all the best luck. For quite a while I've been promoting the idea that consumer quadcopters need to be made as small and intrinsically safe as possible. Here we have the FAA who's big mandate is…"
Thursday
Gary McCray commented on James Daniel's blog post Letter to my Congressman
"Hi James, Absolutely excellent letter which eloquently and concisely sums it all up. I have just installed a link to this Blog on my Drones Are Fun Web Site's Social and Legal Issues…"
Wednesday
Gary McCray commented on Roger Sollenberger's blog post Drones at the Robot Film Festival: IRIS Wins a Botsker!
"Great video guys can't wait to see the final result. Perfect place for an Iris. It's OK to break the equipment, but bones take longer to fix."
Wednesday
Gary McCray left a comment for J M
"Hi JM, Although I have 4 of the RC Timer 5010's I haven't used them yet. After reading others reviews of them I don't think they are ideal for my needs, they have manufacturing and bearing issues. That said though assuming they are…"
Jul 22
Gary McCray replied to J'Rome's discussion Top 10 reasons DIY mini-uavs crash & the recommended equipment/procedure to address it?
"This is a great idea and if we can manage to come up with a good list of ten items and how to address them I will be happy to prominently present it on my drones are fun web sites. Of course the obvious big one is operator error or perhaps in our…"
Jul 22

Gary McCray's Photos

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Gary McCray's Blog

New 1 at a time ESC calibration method for PX4 or Pixhawk

Posted on June 28, 2014 at 2:47pm 3 Comments

One of the Problems with the PX4 / Pixhawk is that it uses a PPM-Sum receiver which when so configured may not work at all for the normal receiver based method of one at a time ESC programming.

And especially so for 4 in 1 ESCs.

The one at a time method I have developed uses the Wikis…

Continue

Drones Are Fun an informational resource for everybody interested in UAVs, especially for personal use.

Posted on May 29, 2014 at 5:25pm 21 Comments

Hi everybody,

Gary McCray here, past wiki editor for DIYDrones, announcing my own Informational Web Site: http://www.dronesarefun.com/

I am very much strong advocate of our APM and Pixhawk flight…

Continue

BeagleBone Black available - if you're quick.

Posted on March 5, 2014 at 11:00am 32 Comments

Hi all, Beagle Bone Blacks are available at Adafruit this morning.

I wouldn't ordinarily put an Advertisement for a product as a Blog but as you may or may not know, Beagle Bone Blacks are seriously hard to come by.

Everybody is out of stock all the time, except a fewy unscrupulous dealers who…

Continue

I Really Need help solving a problem for all of us!

Posted on February 23, 2014 at 7:30pm 94 Comments

We have a great new Wiki / Manual which is actually being I think very helpful for all of us.

But there is a Huge - Seemingly Intractable Problem. At least in my estimation of things:

No the Iris isn't the problem, It's a really great 3DR copter, probably the best one available for the…

Continue

Comment Wall (3 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

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