"Do you have to do this for each flight, or is it a "one time" thing using the same firmware?"
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R_Lefebvre
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Andropilot Users Group
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Parlons français...
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R_Lefebvre's Discussions
Trouble with Video Signal After Electonics Hacking
Started this discussion. Last reply by Chris Khosravi Apr 25. 6 Replies 0 Likes
I've been working on building a nice ground control station including a Tx, and a video monitor, into a Pelican case. So far it's gone well, but last night I tried to get the video working. I've…Continue
All Aluminum Welded MultiRotor Frame. Use Frame As Ground?
Started this discussion. Last reply by Dwgsparky Mar 5. 5 Replies 0 Likes
I'm currently dreaming up a super simple, square aluminum tube, welded H-Octo airframe. Since it's made of aluminum, and welded, the electric path should be pretty good.Any electronic gurus have any…Continue
Arducopter 2.9.1 For Helicopters (Warning)
Started Feb 2 0 Replies 0 Likes
Starting a new thread for this, because I have an important warning for users.2.9.1 fixes an important bug for helis and quads, it prevents an uncommanded RTL. However, there's a risk you need to…Continue
Helicopter Avionics Power Supply
Started this discussion. Last reply by Jim Johnston May 1. 72 Replies 0 Likes
I wanted to open up a discussion about how we are powering our avionics, meaning servos and APM, on helicopters as they present a unique challenge in the APM world, and must be treated carefully.…Continue
R_Lefebvre's Page
Latest Activity
DeveloperR_Lefebvre commented on Joshua Johnson's blog post DIY Drones at 39,000 Members!
"Wow, that is surprising. I would have thought that in general, IE would be the most popular browser, by far. Is that not the case? Or is this just an indication that people who come here tend to be more tech-savvy?"
DeveloperR_Lefebvre commented on Dave C's blog post Lithium battery dreams
"Seems like these massive battery breakthrough stories come about once a month or so... but nothing changes very fast in the actual market."
DeveloperR_Lefebvre commented on Joshua Ott's blog post Thirty Days (#16): More maker Faire
"I must have one! Where can you get a kit for these things?"
DeveloperR_Lefebvre commented on Joshua Ott's blog post Hero 3 with interchangeable lens mount
"Or, decase something other than a GoPro and then you will get the form-factor you want. Why is everybody stuck on the GoPro? There are other cameras out there."
DeveloperR_Lefebvre commented on Hooks's blog post APM 2.5 from hobbyking
"Completely agree as usual John. I would not be participating in this hobby if it wasn't for Hobby King. For too long, the big hobby distributors set prices much too high, for items with very little innovation. Too much of the…"
DeveloperR_Lefebvre replied to Gerd Lobmeyer's discussion Now let's start the party: Skya 450 V2 with ArduFlyer 2.5 + u-Blox CN-06
"I think the problem is that your TX Throttle channel is operating backwards. It should go to +100% when you move it up, and -100% when you move it down. This would prevent you from being able to arm. Well, you could arm, by moving…"
DeveloperR_Lefebvre replied to Gerd Lobmeyer's discussion Now let's start the party: Skya 450 V2 with ArduFlyer 2.5 + u-Blox CN-06
"Gerd, you must arm the system, not the ESC.
To do this is simple, you hold the collective stick all the way down, and rudder all the way to the right for about 5 seconds. The system goes through an initialization, and then MP should give you…"
DeveloperR_Lefebvre replied to Jim Johnston's discussion Swash Travel Bottom Value
"Yeah, I've seen this as well, when trying to manually write values for the swash in the heli setup screen, they automatically get over-written. Frustrating, and I don't understand it. I do as Ryan says, which is to force them…"
DeveloperR_Lefebvre commented on Joshua Ott's blog post Hero 3 with interchangeable lens mount
"I like where you guys are going with this. I also really dislike the GoPro shape. I really don't understand why they did it this way. The only thing it's good for is a chest rig. Sucks for everything else.
Just…"
DeveloperR_Lefebvre commented on Jared Reabow's blog post 3 axis Camera Gimble connections.
"I don't think the word "typically" is the right description for panning the whole copter. There are lots of 3-axis servo gimbals in existence. Only the simpler setups don't have a discrete pan control."
DeveloperR_Lefebvre commented on trappy's blog post Costa Concordia
"LOL, yeah. Apparently there was a specific law or regulation which disallowed this activity at the Concordia.
It appears governments around the world throw up the "safety" or "national security" flag to prevent people from…"
DeveloperR_Lefebvre replied to Antoine Rennuit's discussion MCU vs RTOS
"Nope. Arducopter on APM is running "bare metal" which means there is no operating system. There is a scheduler running, but it's all hard-coded."
DeveloperR_Lefebvre commented on trappy's blog post Costa Concordia
"Huh... this is kinda neat but... turns out they were actually arrested shortly after this was filmed. I guess they were let go afterwards.
"
DeveloperR_Lefebvre commented on Joshua Ott's blog post Thirty Days (#13): Y6 in-flight motor failure tests
"Jared, anecdotal evidence from others confirms your theory.
Joshua: This is really good flight performance with Y6. Nice work guys. I'm curious to see a test of two things:
Performance with payload.
Performance of a…"
DeveloperR_Lefebvre replied to Roy Brewer's discussion Accelerometer question for IMU Experts
"What are you trying to do?
The DCM already corrects for gyro drift using the accelerometers. That's the sole reason for it's existence."
Profile Information
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R_Lefebvre's Blog
Royal Canadian Mounted Police use UAV and FLIR to locate lost man.
Posted on May 9, 2013 at 6:51pm 9 Comments 7 Likes
ContinueMounties in Saskatchewan are crediting a high-tech drone for the rescue of a man who had walked away from his vehicle after a rollover crash and could not be found.
Sgt. Doug Green, who deployed the drone in the search, told CBC News the machine was built and designed by a Saskatoon company, Draganfly…
Arducopter TradHeli Development: Full Auto Landing
Posted on April 21, 2013 at 1:39pm 13 Comments 4 Likes
I have been working on improving the TradHeli slowly but surely over the past few months. One major aspect I've been working on is the ability to use full Pitch and Roll I-term. Currently in 2.9.1 these are "Leaky" which limits their build-up to avoid tip-overs on the ground. I have created a robust Take-off detection scheme that allows us to switch over…
ContinuePotentially The Ultimate Compact GCS
Posted on March 22, 2013 at 6:00am 119 Comments 6 Likes
I just ran across this this morning on Engadget, Wired online. It immediately struck me as almost a "holy grail" of tablets to use for a ground control station. It has plenty of buttons, and 2 joysticks. We already have the excellent…
ContinueShhhh.... be vewy quiet, we're hunting Dwones!
Posted on February 23, 2013 at 2:30pm 33 Comments 1 Like
I stumbled upon this... um... interesting video on Youtube. Amazingly over 500,000 people have already watched it. I think for the most part it's just some guys having fun with guns. But it's another interesting insight into the growing fearmongering about domestic drones.
The statement that "The first person to shoot down a drone will be folk hero"…
ContinueComment Wall (6 comments)
- At 5:59pm on November 30, 2011,
Developerjasonshort said… Chris is the Admin. He can help you.
Jason
- At 8:22pm on May 16, 2012,
Carl La France said… Robert thanks for your input the 1/8 aluminum on on the fuselage will be a milled out channel running half way down the side of the plane to attach the wing the horizontal stabilizer and the vertical fin to a Exoskeleton about 1 1/2 pounds the rest of the plane is foam and fiber glass there was no distortion welding we had it clamped down pretty good Thanks again Carl
- At 4:26am on July 26, 2012,
OG said… Thanks for you assistance with my ecommerce sight yesterday . I appreciate it so much I give you my cost your first porches.
- At 6:17pm on November 27, 2012,
Dwgsparky said… Hi Robert, sorry I missed your request. still getting used. to this system.
Sorry, not waterslides,,,, Kiddie trains from Granby.
- At 7:53pm on January 24, 2013,
Assistant AdminJoshua Johnson said… My bad I was just trying to give new members someone they can ask questions to because the site is super confusing at first for a while when your new. Ill stop doing it!
- At 11:47pm on April 23, 2013, Manuel Zangenfeind said…
Dear Mr. Lefebvre,
I saw some videos from your heli in Loiter Mode and thought wow this heli is standing rigid in the air.
I'm using a TREX 700E and want to fly this heli with apm 2.5 version 2.91 autonomously.
Currently I want to adjust the PID parameter. The stabilize and the Altitude Hold Mode is working perfect, but I have some problems with the Loiter values.
So would it be possible to send me your PID values of the loiter mode? I think they have to be very similar.
Thanks.
Nice Greets from Austria
Manuel
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