Thomas J Coyle III
  • Male
  • Ft. Lauderdale FL
  • United States

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Thomas J Coyle III's Groups

Thomas J Coyle III's Discussions

Need help with a unique GCS

Started this discussion. Last reply by Justice Bentz Jun 29, 2015. 1 Reply

Fresh install issue with MP 1.2.99

Started this discussion. Last reply by Thomas J Coyle III Mar 29, 2014. 4 Replies



Thomas J Coyle III's Page

Latest Activity

Thomas J Coyle III replied to Mirko Denecke's discussion Tested hardware for BBBMINI in the group BBBMINI
"@Jiro, I was able to get the 3DR V1.1 LEA-6 GPS/Compass module to work, but it required the use of a Sparkfun level shifter to mate the 5 vdc I/O of the GPS to the BBBMINI GPS 3.3v I/O. Regards, TCIII AVD"
3 hours ago
bigkahuna replied to Thomas J Coyle III's discussion Your own Remotely Operated Vehicle (ROV) Project in the group ArduBoat User Group
"I'm with Kevin, I highly recommend a disconnect fitting at both ends of your tether.  If you don't you'll wish you had.  My Deep Trekker didn't have one and it was a PITA to have to spin the ROV around to take out all…"

Thomas J Coyle III replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"@Don, I was told the same thing by Event38 when I asked them why their version of the RFD900+ telemetry radios would not work with my 3DR telemetry radios. Regards, TCIII AVD"

Thomas J Coyle III replied to Varunlal V's discussion Steering ardurover without servo in the group ArduRover User Group
"@Varunlal, Yes, you can use the skid (differential) steering function to control a rover without using a servo to control the direction of the front wheels. Also, here is a link to some of the skid steering parameters. Regards, TCIII AVD"
John Haslam replied to Thomas J Coyle III's discussion Your own Remotely Operated Vehicle (ROV) Project in the group ArduBoat User Group
"Hi Tom / Rusty,   I guess you are talking tether strain relief, you could also use a prussick knot setup with a small dia dyneema rope & bridle to the frame.   regards   John  "

Thomas J Coyle III replied to Thomas J Coyle III's discussion Your own Remotely Operated Vehicle (ROV) Project in the group ArduBoat User Group
"Hi Rusty, Thanks for the input, much appreciated. I will give it a shot. Regards, Tom C AVD"
Rustom Jehangir replied to Thomas J Coyle III's discussion Your own Remotely Operated Vehicle (ROV) Project in the group ArduBoat User Group
"Tom, I would attached the thimble to the tether about 12-18" behind the penetrator, using three thick zip ties to secure the tether to the thimble. Then attach the thimble to your frame near the back somewhere, making sure that the section…"
Rustom Jehangir replied to Thomas J Coyle III's discussion Your own Remotely Operated Vehicle (ROV) Project in the group ArduBoat User Group
"Tom, If you do end up using a connector, make sure you place it between the enclosure and the thimble so that the tether still maintains it's pull strength. The Seacon connectors don't have any way to attach the Kevlar strength fibers from…"

Profile Information

About Me:
Retired Systems Engineer who has robotics as one of his hobbies.
Presently have 4 and 6 wheel rovers and other assorted robots.
Please tell us a bit about your UAV interest
I presently have four EZ*s, two Twinstar IIs, a Maja, and three quadrarotors of various sizes. I have two of the EZ*s equipped with ArduPilots and one of the Twinstar IIs equipped with an APM/IMU Mega. I have an APM/IMU Mega on one of my quadrarotors. The Maja is equipped with a APM/IMU. Needless to say, I am definitely into UAVs.
Los Angeles CA

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Thomas J Coyle III's Blog

Drone Racing Might Just Be The Next Big Thing

Posted on February 4, 2016 at 11:47am 8 Comments

From Hackaday


Arguably, drones are one of the next big things that will revolutionize many industries. We’ve already seen them portrayed in many movies and TV shows in not-so-distant futures, and what with Amazon planning drone deliveries, we can’t imagine it’ll be long before they are a common…


Swarming robot boats demonstrate self-learning

Posted on February 4, 2016 at 11:30am 12 Comments

The sea-going robots are made using digital manufacturing techniques

The sea-going robots are made using digital manufacturing techniques

(Credit: Biomachines Lab)

From Giz Magazine

   FEBRUARY 2, 2016



GoPro is in a massive tailspin

Posted on February 4, 2016 at 8:16am 27 Comments

From CNN Money



DIY Drones at 75,000 members!

Posted on February 3, 2016 at 1:54pm 35 Comments

It's customary and traditional that we celebrate the addition of every 1,000 new members here and share the traffic stats. This time it's a big 75,000!!!!

There were approximately 1.4 million page views in the last month! (we now get around 45,000 page views a day on average). It took us just 30…


FAROS drone climbs the walls to find fires

Posted on January 21, 2016 at 9:22am 1 Comment

FAROS navigates a smoke-filled and obstructed hallway

FAROS navigates a smoke-filled and obstructed hallway (Credit: KAIST)

From Gizmag

   JANUARY 20, 2016

Fires in high-rises can be particularly deadly. This is partially because of the buildings' "chimney" effect, along with the fact…


Comment Wall (36 comments)

At 10:15am on December 24, 2009, CDRJulie said…
Mr. Coyle,
My comment was not to diss the Army. I spent the most interesting year of my Naval career as an intelligence lead with them. Didn't mean to offend you or any other Army folks. I would have done another tour there had there been the chance.

Happy holidays to you.
At 12:54pm on December 24, 2009, CDRJulie said…
Mr. Coyle,
It looks like you and I have a lot in common. I too am a systems engineer, 25+ years working in companies that supported I work at a small company that supports NASA.
I stumbled upon DIY Drones without spending a great deal of time investigating the 'Dos and Don'ts' of what the site is all about. Is this a hobbyist forum for folks who are or were RC builder/flyers or is this site focusing on trying to develop the UAV industry in areas that the General Atomics, Boeing's and DRS's of the world don't compete in?

I have been a UAV fanatic for almost 2 decades now. I worked "trying" to integrate the early Predator [back when it was still an ACTD] into the Navy with no luck and was very fortunate while in Iraq to be able to have 'control' of most of the Preds in country. I came back hoping to start a UAV company that provided full up ops to a customer - vehicle(s), control stations, operators, etc. to find that it was impossible to get bankers to understand what I wanted to do in order to get funding. I gave up and bought a kit car company instead. Now, I find DIY-D and have my interests rekindled.

I find your comments in re: ESD to be on the mark. Way back when, when Bombardier was working on what everyone called 'the Peanut', they had all sorts of issues with control. Turns out that they had ESD gremlins. Once figured out, their system worked quite well. I hope folks heed your warning.
At 8:42pm on December 28, 2009,
Jordi Muñoz
Not yet, is full of dust, i will use it for ardupilot mega, so it will remain in the shadows until then... ;-)
At 8:42pm on December 28, 2009, Andy Geppert said…
Howdy Thomas. I have have done a bit more troubleshooting and narrowed it down to the transmitter board. There are clearly three black vertcal bands through the video. The easiest way to see them is to connect the camera ground wire, but not the signal wire. I have found that I need a good video display on the receiver that can lock on to the signal to see the bands. If I don't get a good lock, then it looks a bit like static (but it's not - it's a noticeable pattern). I need to take the transmitter apart and review the construction very carefully. One of the fellows at DPCAV has been helpful in guiding my troubleshooting. So, I still need to make progress on that front. Right now I've diverted to a CNC mill retrofit project since I've got a chunk of time off to try and get that running. I will certainly get back to the video transmitter though, I'm just shuffling priorities since winter has set in. And I'll be curious to hear how yours works.

At 3:45am on January 30, 2010, Bart said…
Well Tom, at first i was a bit dissapointed to read that you don't own the avatar-plane, but finding out more about the MAJA, my dissapointment changed to a very happy state. This kind of plane is exactly the sort of plane i was looking for. I want to start a payed hobby in aerial photography. Vertical photo's for GIS. I will first buy a easystar to get familiar with real flying (instead of game-based) and then upgrade to a more full-load plane, like the MAJA. Do you know if it flies similar to the easystar?
Grtz Bart
At 8:38am on January 30, 2010,
Thomas J Coyle III

The Maja is definitely not for beginners so it is wise that you start with the EZ* like I did. The Maja is capable of heavy lifting with the right motor and battery selection and can stay in the air close to an hour at ~25% throttle. You might also want to consider the Multiplex Twin Star II which is a twin engine model capable of heavy lifting too.
Check these websites and build logs out:

At 4:27pm on February 16, 2010, Roy Brewer said…
Yes, I post on Aeroquad forum and RCGroups as RoyLB

- Roy
At 8:12pm on August 31, 2010,
Thanks, did you read my question regarding the Borjet Maja? I'm interested in the airframe and I believe you commented on it somewhere along with using the landing gear that they sell. Any pictures or info you could share?


Adam A.
At 3:04pm on April 9, 2012, Richard said…
Hi Thomas, noticed on another thread that you requested the PID values for the ursus that you were building, did you eve get them? Ankther uk based member is sending me his ursus pid settings and wondered if I could compare them with yours?

How did you get on with tho aircraft,
About half way through my build,

Waiting for my APM 2 to arrive!
At 4:04pm on July 30, 2012, Stuart Hungerford said…

Thanks Thomas!


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