"Yes, I haven't looked at price yet. Please make an offer. Since diydrones store switched i can't pull up my reciepts. Everything is brand new, and the frame is partially put together(frame screwed together with loctite and motors attached.…"
Joel's Discussions
FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing
Started this discussion. Last reply by Joel yesterday. 5 Replies 0 Likes
Hi all,I'm selling several of my RC toys due to the fact that I work full-time and attend college full-time and have no time. That, and I could use the extra funds at the moment. I'll put together…Continue
[SOLD] FOR SALE:: APM 2 Purple Board [SOLD]
Started this discussion. Last reply by Nathan Reim May 20, 2012. 14 Replies 0 Likes
[SOLD] Never flown, only desk-tested APM2 purple board for sale. Mint condition, I have desk tested it with the Mission Planner software(tested TX setup and different modes using 2 servos[elevons])…Continue
[solved]No output on APM 2 purple board.
Started this discussion. Last reply by Joel Mar 12, 2012. 2 Replies 0 Likes
I have tried everything and I can't get my servos to do anything. I just got the board a couple weeks ago and hadn't had a chance to mess with it until now. The servos work fine when plugged directly…Continue
HD video and camera control zoom remotely?
Started this discussion. Last reply by Roger Powers Apr 13, 2012. 22 Replies 1 Like
Does anyone know of any good quality small cameras that will output SD video while recording HD video(Like the gopro).... I would like to set up stabilize and PTZ(I believe APM and APM 2.0 can…Continue
Tags: gopro, small camera, ptz, stabilize, zoom
Joel's Page
Latest Activity
Joel replied to Joel's discussion FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing
Jacob Densmore replied to Joel's discussion FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing"Please send me more info Thanks
"
vladimir.d.makarov replied to Joel's discussion FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing"Hi Joel,
I am interested. Could you give me an idea on price and show some picture. PM me if you like. Thanks."
Joel replied to Joel's discussion FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing"For which thing?"
james sowell replied to Joel's discussion FOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing"how much ?"
Joel posted a discussionFOR SALE NEW: Hexacopter kit, FPV video tx/rx, Ritewing flying wing
Hi all,I'm selling several of my RC toys due to the fact that I work full-time and attend college full-time and have no time. That, and I could use the extra funds at the moment. I'll put together some pictures tonight if anyone is interested.This stuff is all brand new and never used at all(not even put together yet).I have:- diydrones hexactoper kit with autopilot and electronics. I'm pretty sure it has everything needed to fly except for tx/rx. This is already partially assembled(frame only…See More
DIY Drones NewsSteve Monro replied to Joel's discussion Payload for 3DR ArduCopter Hexa-B Frame + Motors + Full Flight Electronics Kit in the group ArduCopter User Group
"Richard, this is the best advice I have seen anywhere so far regarding the type batteries and what to buy - in simple English, for these devices.
I'm new to this too, and have just bought the same kit…"
Brenden replied to Joel's discussion ublox or mediatek?"I Now STRONGLY DISAGREE with my own earlier strong disagreement...huh?!?!
In other words I think I finally discovered the problem and I WAS WRONG!!!!
Although I still believe the UBLOX to be a superior GPS unit (no one is questioning that…"
Toby Mills commented on Joel's blog post Theoretical limit of solar cell effeciency probably broken"the ultimate will be to combine this technology with the recently posted graphene super capacitors but to actually construct the airframe itself from a combination of solar cell and graphene (rather than sticking them on afterwards).
This should…"
Wiki NinjaGary McCray commented on Joel's blog post Theoretical limit of solar cell effeciency probably broken
"Really inexpensive high capacity solar cells will change everything.
Unfortunately look at how we have treated them.
Chinese Solar cells were getting really cheap, so, ostensibly our government came down on China for dumping them and imposed a big…"
DeveloperJohn Arne Birkeland commented on Joel's blog post Theoretical limit of solar cell effeciency probably broken
"Great! This is the kind of stuff that might not seem that important at first, but could very well end up changing the world as we know it."
Rana commented on Joel's blog post Theoretical limit of solar cell effeciency probably broken"That's really great ! would certainly lead to solar power UAV's with with much smaller wing area as compared to what is being used now a days. It will bring revolution !"
Joel posted a blog postTheoretical limit of solar cell effeciency probably broken
"A simple, single nanowire crystal is capable of super-concentrating the intensity of the sunlight that it is exposed to up to a factor of 15, researchers from the Niels Bohr Institute have discovered. The surprising discovery means that the assumed limit to solar cell efficiency, the “Shockley-Queisser Limit,” can likely…See More
Joel replied to anubhav prabakar's discussion obstacle avoidance programing using 6 maxbotix (XL-max sonar - EZ/AE) range finders (arducopter) in the group Learning to program the Ardupilot Mega"I would love to get this working.
That said, I would really love to get it working using video. Maybe OpenCV? But, I am sure Sonar would work just fine, I'm just personally interested in computer vision and analyzing live video on the fly."
Joel replied to ALK's discussion UAV camera control question"I would like to use my joystick for camera control(but only camera control).
I was also wondering, my Cannon 60D can be controlled by computer using usb with the included EOS software. How would one go about controlling things like zoom, or other…"
Joel replied to Bernardo's discussion no GPS fix after update ????????????? in the group ArduCopter User Group"Plug in your GPS ;)"
Profile Information
- About Me:
- Prior military. Enjoy RC.
- Tell us a bit about your UAV interest
- Aerial photography and FPV.
- Hometown:
- Parkersburg, wv
Joel's Blog
Theoretical limit of solar cell effeciency probably broken
Posted on March 25, 2013 at 3:30am 4 Comments 4 Likes
"A simple, single nanowire crystal is capable of super-concentrating the intensity of the sunlight that it is exposed to up to a factor of 15, researchers from the Niels Bohr Institute have discovered. The surprising discovery means that the assumed limit to solar cell efficiency, the…
Continue Dutch engineer is the first man in history to fly like a bird with self- built wings
Posted on March 20, 2012 at 5:00pm 78 Comments 13 Likes
The Hague, Netherlands, 20th March 2012
PRESS RELEASE
Dutch engineer is the first man in history to fly…
Continue Elbit Systems Successfully Completes Skylark I-LE UAS Test Flight Using Horizon Fuel Cell
Posted on December 7, 2010 at 8:00am 2 Comments 0 Likes
Elbit Systems Successfully Completes Skylark(r) I-LE UAS Test Flight with Horizon's New AEROPAK Fuel Cell Power System Skylark(r) I-LE is one of less than a handful of UAS to perform a fully operational test flight using the AEROPAK fuel cell, including an operational payload, take-off and recovery
Singapore, December 7, 2010 -Horizon Energy Systems announced the successful test flight of its AEROPAK fuel cell power system onboard Elbit Systems Skylark(r) I-LE UAS (Unmanned Aircraft… Continue
Singapore, December 7, 2010 -Horizon Energy Systems announced the successful test flight of its AEROPAK fuel cell power system onboard Elbit Systems Skylark(r) I-LE UAS (Unmanned Aircraft… Continue
H-Cell 2.0 Hydrogyn fuel cell hybrid power-train for RC models
Posted on September 20, 2010 at 2:35pm 25 Comments 0 Likes
This might interest some of you.
A hydrogen fuel cell hybrid power-train for 1/10 scale model hobby RC. The H-Cell 2.0 can be connected to almost any RC platform and will provide continuous power to recharge the on-board batteries. Using this hybrid system it is possible to increase the run time of RC vehicles by more than four times!
When the solar panel option is…
ContinueComment Wall (2 comments)
- At 6:32pm on November 17, 2010,
Johann Van Niekerk said… - Hey buddy ya it's cool bambam880125. But I am going to say cheers for now as it's like 1.30am here . We will chat tomorrow .thanx I'll look at zippy fuck I'm still in shock . Anyway chat tommorow mate
- At 11:08pm on April 7, 2012, David said…
Joel... I don't know why you are ignoring my email.... You were supposed to send the USB device over a week ago... I have not been able to test the APM2.0 without it and have not received a comment back from you.... PLEASE SEND IT RIGHT AWAY.... Thanks.
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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