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Thomas J Coyle III
  • Male
  • Ft. Lauderdale FL
  • United States
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Admin
Thomas J Coyle III replied to Steven Cohen's discussion Help with Pixhawk and TRex dual motor controller in the group ArduRover User Group
"@Steven, "Also tried increasing speed but still crawls. I had 2 m/s speed and increased throttle % to 50% as a start point and then increased to 10 m/s with no change in actual speed or ramp to speed." The Wild Thumper can be purchased…"
yesterday

Admin
Thomas J Coyle III replied to Michal G's discussion chassis for Pixhawk-based rover in the group ArduRover User Group
"@Grant, I have over 50 bin logs from the pre Sparkfun AVC testing that I performed in 2014. I suspect that all 50 bin logs will show GPS dropouts which is to be expected when the rover makes quick 90 deg turns and the orientation of the GPS antenna…"
Wednesday

Admin
Thomas J Coyle III replied to Michal G's discussion chassis for Pixhawk-based rover in the group ArduRover User Group
"@Steve, I mounted the Thumper GPS/Compass module at the front of the chassis between the two front motors on a four inch high wooden pedestal to get it away from the front motors' magnetic fields. Doing so produced reasonable compass…"
Tuesday

Admin
Thomas J Coyle III replied to Michal G's discussion chassis for Pixhawk-based rover in the group ArduRover User Group
"@Steven, I only use one compass in the primary GPS/Compass module. The Secondary GPS is connected to the Pixhawk through Serial Port 4 on the Serial 4/5 connector. Regards, TCIII AVD"
Tuesday

Admin
Thomas J Coyle III replied to Michal G's discussion chassis for Pixhawk-based rover in the group ArduRover User Group
"@Steven, I have reviewed my dual GPS equipped Rover datatflash logs and you would be surprised at the number of dropouts that are experienced by the GPSs during a competition run. The Pixhawk will use which ever GPS has the most sats at any given…"
Tuesday

Admin
Thomas J Coyle III replied to Michal G's discussion chassis for Pixhawk-based rover in the group ArduRover User Group
"@Michal G, Here is a Pixhawk mounted on a Traxxas 4WD Slash Link Regards, TCIII AVD "
Tuesday

Admin
Thomas J Coyle III replied to Crady von Pawlak's discussion Two-piece FPV wing? in the group ArduPlane User Group
"@Crady, If you do go with the X8, make sure you securely attach (glue) the fuse/wing connectors to their respective mating surfaces as I have seen a wing separate from the X8 fuse when the wing connector sheared away from the mating surface on…"
Tuesday

Admin
Thomas J Coyle III replied to Crady von Pawlak's discussion Two-piece FPV wing? in the group ArduPlane User Group
"@Crady, If you want to stay around 48" inches, try the RMRC Mako Link  I just finished build one Link  One owner says he does a discus launch. Regards, TCIII AVD"
Monday

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.
Hometown:
Los Angeles CA

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Thomas J Coyle III's Blog

DIY Drones at 69,000 members!

Posted on July 19, 2015 at 2:24pm 3 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 69,000!!!!

There were approximately 1.4 million page views in the last month! (we now get around 47,000 page views a day on average). It took us just 30 days to add…

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DIY Drones at 68,000 members!

Posted on June 19, 2015 at 6:00am 3 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 68,000!!!!

There were approximately 1.5 million page views in the last month! (we now get around 50,000 page views a day on average). It took us just 29 days to add…

Continue

Video Interview with one of the pilots of the Google Project Wing (Delivery Drone) Prototype

Posted on June 16, 2015 at 11:00am 1 Comment

Josh and Alex talk with one of the pilots of the Google Project Wing (Delivery Drone) Prototype and learn more about it!

More details:…

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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.
Julie
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 DoD...now 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.
Julie
At 8:42pm on December 28, 2009,
3D Robotics
Jordi Muñoz
said…
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.

Andy
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,
Admin
Thomas J Coyle III
said…
Bart,

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:

www.rcgroups.com/forums/showthread.php?t=1118600&highlight=maja

www.rcgroups.com/forums/showthread.php?t=1095996&page=5

www.rcgroups.com/forums/showthread.php?t=1030786&highlight=twinstar

Regards,
TCIII
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,
Distributor
AKRCGUY
said…
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?

Thanks,


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!
Rich
At 4:04pm on July 30, 2012, Stuart Hungerford said…

Thanks Thomas!

Stu

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