"A tent!
I have a laptop shade/hood thing and it works wonders
snaps on to the screen and it was like $25.
it will also work on future laptops!
"
Eli Cohen's Groups
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Andropilot Users Group
182 members
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3D Printing Drone Parts
63 members
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ArduPlane User Group
687 members
Eli Cohen's Page
Latest Activity
Eli Cohen replied to iskess's discussion Looking for best laptop screen to see in the sun in the group ArduPlane User GroupEli Cohen replied to Eli Cohen's discussion Plane flying backwards in HIL in the group ArduPlane User Group"Not sure if anyone else has seen this. I downgraded the HIL software to 2.68 and now it works.
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Eli Cohen added a discussion to the group ArduPlane User Group
Plane flying backwards in HIL
Odd behavior from my HIL experiences the past two days.I have done HIL many times before but am experiencing problems now.Problem 1: APM does not arm until xplane connects.Problem 2: Once it IS all connected, heading of aircraft in MP is off by about 180 degrees. On the simulation screen, my heading and yaw line up and agree with what xplane is spitting out (in this case, 320 degrees) but in MP, the yaw and groundcourse are totally off (130-129 degrees)needless to say, this causes a lot of…See More
Eli Cohen commented on Chris Anderson's blog post AUVSI: "There's nothing unmanned about unmanned systems". Huh?"Chris: I've worked with UAVs on both the academic research side as well as the commercial operations side and it has been a very disheartening transition. All the great research that is going on at labs around the world is lightyears ahead of…"
Eli Cohen commented on Chris Anderson's blog post AUVSI: "There's nothing unmanned about unmanned systems". Huh?"Chris, I think they are actually right about this. Commercial UAV ops tend to be incredibly overstaffed for a number of political and other reasons. Its not the way it should be, but it is. And I have to say, I feel uncomfortable flying my personal…"
Eli Cohen commented on Carl La France's blog post Radian to Multiplex Power transfer"Hey Carl
How thick is that aluminum? I would imagine you would get better strength to weight just by putting a layer or two of light glass all around the airframe. you would be getting a huge boost in stiffness with very little additional weight. As…"
Eli Cohen commented on Vince Hogg's blog post MK II H frame quad now flying"I can't imagine this is the lightest configuration... what does creating a shell buy you? even a half inch sq CF tube should be adequate to tie everything together and you can still do a fair amount of vibe reduction. what were the drivers…"
Eli Cohen commented on Eli Cohen's blog post 3D printed base for 3DR radio"I just added the sldprts to my thingiverse, hope it works out for you!"
Anthony White commented on Eli Cohen's blog post 3D printed base for 3DR radio"solidworks is ideal! I wish more people posted the accompanying non-stl file on thingiverse...I'll message you my email - Thanks!"
Eli Cohen commented on Eli Cohen's blog post 3D printed base for 3DR radio"What would you like it in? I made these parts in solidworks but can convert to a few other kinds of files"
Anthony White commented on Eli Cohen's blog post 3D printed base for 3DR radio"What software did you design this in? I'd like to modify your center piece to accommodate a 3DR radio with a molex connector instead of male USB - and while I could do this from scratch, it'd be nice to save some time with an…"
Eli Cohen commented on Eli Cohen's blog post Snowy first flight with Radian Pro"Hey Nick, I know how contentious airspace can be, it almost makes me give up hope to see it all laid out :)
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DeveloperSandro Benigno commented on Eli Cohen's blog post 3D printed base for 3DR radio
"That's cool!
I'm using this one: http://www.amazon.com/Cables-Unlimited-USB-5110B-5-Feet-Cable/dp/B000F3ODEG/ref=pd_sim_e_2"
Profile Information
- About Me:
- I've been flying RC aircraft for the past 19 years (started when I was 6) and I now work designing and test flying UAVs.
- Tell us a bit about your UAV interest
- I am very interested in 3D printing and how it can be used for small scale UAVs to customize airframes to customer's needs.
I also am interested in long-endurance operations and am trying to do thermal detection with my Radian Pro running an APM 2.5
- Hometown:
- Somerville, MA
Eli Cohen's Photos
Eli Cohen's Blog
3D printed base for 3DR radio
Posted on February 5, 2013 at 4:22pm 7 Comments 6 Likes
I just designed and printed this. It snaps together in a few seconds and provides a good way for me to keep my radio pointed vertically. Seems very stable even with the longer antenna. You can find it on thingiverse if you want to print one for yourself …
Continue Snowy first flight with Radian Pro
Posted on February 3, 2013 at 8:30am 11 Comments 2 Likes
First of all, sorry for the unexciting video. Waiting on my new gopro so I made do with an old keychain cam.
Flight went well! I was very impressed with the RTL performance straight out of the box. The Radian displayed much less of a tendency to wander than the 6' Telemaster I had flown with APM before. I will take a stab at tweaking the gains. This first image is just the RTL flight and the next one is all the flight data.
Before landing, the plane…
Continue Getting ready to fly Radian Pro with APM 2.5
Posted on February 2, 2013 at 4:21pm 4 Comments 5 Likes
Set up with airspeed sensor and telemetry. A little worried about propwash on the pitot-static probe but we'll have to see! …
Continue Slung Load Control with a Quadrotor
Posted on November 30, 2010 at 7:30pm 1 Comment 0 Likes
Just thought I would attach a video of my senior project. My partner and I used an AscTec quad to control a payload swinging underneath it. Purportedly, we were doing it to demonstrate that you could fly a helicopter and slung payload waaaay faster if you had one of these controllers running. Really, it was just a fun project. Check out the video:… Continue
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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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