Tedro
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  • Metuchen, NJ
  • United States
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Tedro commented on Jacob Cereteli's blog post USG-301 - Full HD gimbal with 30x optical zoom
"I visited the website but couldn't find the "do good" link where you donate one of these to my charity. Free loaner is fine too! :)"
Aug 10
Tedro commented on Phillip Kocmoud's blog post Caution with the FAA UAS Registration Site
"Seriously folks, who registers on day one? Oh, and, do you think anyone gets reprimanded for these issues? Gotta love the double standard parasite that is gov. "
Dec 22, 2015
Tedro commented on RC Tech.se's blog post HK Quanum i8 dissected
"How was the process to change to mode 2? It looks like stock is mode 1."
Dec 16, 2015
Tedro commented on Darius Jack's blog post FAA Small UAS Registration Rule Law banned development of model ArduPlane ArduCopter ?
"Per AMA • You will not be required to register every aircraft individually. You only need to register yourself and can affix one registration number to all your aircraft."
Dec 16, 2015
Tedro commented on Gary Mortimer's blog post US drone registration rules to be announced today (Monday)
"Can someone please post a follow-up thread once they register? I'd like to see the form, opinion of the overall process and any follow-up emails, etc. Being a responsible drone flyer I think this is ridiculous - I'm current on my AMA…"
Dec 15, 2015
Tedro commented on lianpinkoh's blog post ArduBoat MK4
"A rover for water! Nice work. What's considered an ESC on a full size boat? "
Oct 22, 2015
Tedro commented on Gary Mortimer's blog post Clarification of the Applicability of Aircraft Registration Requirements for Unmanned Aircraft Systems (UAS)
"Rob (sorry for the name typo above). John, great point about the boomerang! The level of 'group think' in these agencies must be absurd. There needs to be a clear distinction between autonomous and line of sight aircraft. They are not the…"
Oct 21, 2015
Tedro commented on Gary Mortimer's blog post Clarification of the Applicability of Aircraft Registration Requirements for Unmanned Aircraft Systems (UAS)
"Bob, you're right. I was thinking line of sight vs autonomous but I see that UAV has two categories... 1. Autonomous and 2. Remotely piloted. Using this wiki definition you can say any size (even micro hand sized) flying thing is a drone. But…"
Oct 21, 2015
Tedro commented on Gary Mortimer's blog post Clarification of the Applicability of Aircraft Registration Requirements for Unmanned Aircraft Systems (UAS)
"I can already imagine all the ignorant police, park rangers, whomever that don't understand UAS vs. non-UAS. My 600mm frame CC3D powered quad would be easily be mistaken for UAS just cause it has a cool looking FPV antenna..  My favorite…"
Oct 21, 2015
Tedro commented on Katrina Rosen's blog post U.S. Require Drones to Be Registered
"Special thanks to all the irresponsible drone flyers that ruin it for the rest of us..."
Oct 19, 2015
JoeBob commented on Tedro's blog post Pixhawk 250 Quad
"PIxhawk and Danaus - You inspired me: 3DR TelemRadio temporarily wedged. All the blue tape retards airflow through the open ports to the Baro inside.  Better AltHold, supposedly. Wide open flow for the organized air blowing…"
May 25, 2015
Felixrising commented on Tedro's blog post Pixhawk 250 Quad
"That's a good question!... There are a few people doing endurance quads like EndofDays 2hr+ beast..  but generally people shy away from low C high capacity battery packs that they have to build themselves. There are quite big differences…"
May 12, 2015
Tedro commented on Tedro's blog post Pixhawk 250 Quad
"Thanks Felixrising, this is very helpful. I think a 1P may be possible using these batteries that are rated for 20am each! Even better they are rated at 3100mah. At a 150 grams (3 batteries in series) I'd be close to 2900mah with…"
May 12, 2015
Felixrising commented on Tedro's blog post Pixhawk 250 Quad
"The 2900mAh value is "Max Discharge" 4.2v->2.5v. Usable is more like 2700 or 2750mAh. I estimated 2700/cell and because you'd need at least a 2P pack you get 2700x2=5400mAh. A 3S2P pack is minimum to meet the current draw of those…"
May 11, 2015
Tedro commented on Tedro's blog post Pixhawk 250 Quad
"One other thing, what do you think about just this? 3 2900mah in series to provide 12v? Using 3 batteries is 138 grams but the mah would be better than my lipo. This would save me 78grams which happens to be the weight of the GoPro. Do you think…"
May 11, 2015
Tedro commented on Tedro's blog post Pixhawk 250 Quad
"Yes, the MN1806 T-Motors. I'm very impressed with this motor so far. How do you get the 5500mah number on this config? I picture the below kind of set-up, 6 of these 2900mah lions in series? Each individual battery weights 46g that's…"
May 11, 2015

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i build custom quads

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Tedro's Blog

Pixhawk 250 Quad

Posted on May 8, 2015 at 1:30pm 23 Comments

Hey guys,

Thought I'd share the latest Pixhawk build. This little guy is a work in progress but so far the results are great. It's surprisingly stable and the battery lasts about 6minutes will full gear.

Even with the enclosed prop frame, FPV gear, Pixhawk + GPS + Telemetry, 2600mah 3S battery, Tmotors, and 12a OPTO this only weights 790grams. I'll share more details, video and the build photos if anyone is interested.

Happy droning,…

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Unibody Design "Tedrocopter"

Posted on June 27, 2010 at 3:17pm 4 Comments

Teaser pics of the unibody design "tedrocopter" made of 2'x2' 1/4" thick pine. I have to clean up the edges but you get the basic idea. …





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Tedrocopter Frame

Posted on June 7, 2010 at 6:42pm 13 Comments

As most of you know, the booms/arms are T-Rex 600 tail booms. I've cut the booms to 33cm and connected them to a 4-way 1/2" PVC connector (from Lowes). Screw holes are drilled 7mm from the edge of PVC connector. The body, which will hold the Arduino Duemilanove and Aeroquad 1.7 shield (amongst other things), is a simple 7" x 3" project box from RadioShack. To connect everything, so far I've decided to use 6-32 threads with lock nut washers - each lock nut has a rubber washer after it to help… Continue

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