Artem's Friends

  • Gyrobot
  • Mikhail
  • Julien Dubois
  • Forrest Frantz
  • Rolf Blomgren
  • Shyam Balasubramanian
  • Tommy Larsen
  • Simon Howroyd
  • Rob_Lefebvre
  • emile 'butch' alline
  • Michael Oborne

Artem's Groups

Artem's Discussions

New power module proposition

Started this discussion. Last reply by Artem Mar 5. 7 Replies

Hi everyone! I would like to list two ideas (none novice or mine) which I hope will gain the attention of our community and result in 3dr introducing some new products and functions in the apm…Continue

Tags: halleffect, hall effect, voltage sensor, current sensor, 6s

MyFlyDream AAT and APM/Pixhawk

Started this discussion. Last reply by mP1 Feb 18. 2 Replies

Hi, I am seriously considering building an antenna tracker. However after some research and sourcing all the various parts/bits and pricing it all together I get a really "hacked-together" looking…Continue

APM Output Function

Started Dec 17, 2013 0 Replies

Hey, could someone point to me where can I find APM_RC library? Also, am I correct that this library includes functions which are used to control APM output? this is what I am trying to do:currently…Continue

noob question

Started this discussion. Last reply by Artem Nov 19, 2013. 6 Replies

Hi everyone, I've just finished building a tricopter, put an apm 2.6 with external mag/gps on a self made mast very far from any interference, but close to the CG my apm is directly on the CG. done…Continue

Tags: 2.6, apm

 

Artem's Page

Latest Activity

Artem commented on Dave Smith's blog post HobbyKing Releases the Bixler 3!
"imho they should've put a mobius sized hole in the front and the pan/tilt pilot cam on the deck. "
6 hours ago
Artem commented on Chris Anderson's group ArduCopter (traditional heli) user group
"Hi, I am experimenting with the AC code and need some help pointing me to a correct library responsible for mixing pitch/roll/collective pitch into the 3 servo outputs for the swash plate? also, please excuse me if this is common knowledge is there…"
yesterday
Artem replied to turdsurfer's discussion Tricopter wagging tail issue (firmware 2.* through 3.1.2)
"Aaaand here is my report after trying a 0.05s 4kg servo: the wagging is GONE no matter how much yaw stab I add (all the way to 10) no wagging what so ever. My yaw stab is 4.5 right where it was by default, my stab P is 0.2, I-0.02, D- 0.0 IMAX -8.…"
yesterday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Randy, could you explain the algorithm how the alt hold works?"
Monday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Can the alt control loop be more dependent on the acc/gyro/mag combination of data when the baro changes are +/- a foot? Pixhawk must have the resources needed for this. Sample control imho should be as follows: read throttle channel if no changes…"
Sunday
Artem replied to Randy's discussion AC-3.1 autotune support discussion
"@Randy would it be possible to introduce autotune for yaw as well? Rhis feature should be especially usefull for trad helies and tricopters, where even fine adjustments make a great difference. Thank you!"
Sunday
Artem replied to FlyHigh's discussion Welp with telemetry over Orange LRS?
"You need to flash gitsly branch of openlrsng for mavlink to work. The main branch is not adopted to support mavlink."
Sunday
Artem replied to turdsurfer's discussion Tricopter wagging tail issue (firmware 2.* through 3.1.2)
"All right here is my report: just went through 3x 4000mah 6s lipos trying to get rid of this tail-waging. No matter which settings I choose it is still there. Went from 1.0 stab yaw to 8.0 also played with P & I values extensivelly. This…"
Friday
Artem replied to turdsurfer's discussion Tricopter wagging tail issue (firmware 2.* through 3.1.2)
"do it :) the difference between this kind of boom and even the 13mm (1/2") wooden ones we got in the USofA  is very noticeable.  "
Jul 24
Artem replied to turdsurfer's discussion Tricopter wagging tail issue (firmware 2.* through 3.1.2)
"under the last video, in the description you ar mentioning "too flexible" wooden booms, I suggest you get some 10mm square CF tubes with a round hole in the middle  (8mm) and glue in a wooden dowel in it. I did some tests back in…"
Jul 24
Artem replied to turdsurfer's discussion Tricopter wagging tail issue (firmware 2.* through 3.1.2)
"my previous design rce with 10mm cf booms with wooden cores powered by 380kv motors w/15" props @ 6s lipo didn't have this wagging issue, but lacked mounting space as well as all the wiring was bluntly exposed. recently I moved to a design…"
Jul 24
Artem replied to Rolf Blomgren's discussion APM MavLink to FrSky X8R S.Port converter
"indeed this teensy version is VERY versatile, except it is limited to 2.4Ghz. there are openlrsng radios capable of bidirectional mavlink at 4-5km without loosing packets. I wanted to utilize just one radio for control/telemetry it helps reducing…"
Jul 21
Artem replied to Rolf Blomgren's discussion APM MavLink to FrSky X8R S.Port converter
"In the mean time you speaking with them, ask if there are any plans to teach taranis speak mavlink natively? "
Jul 21
Artem commented on Daniel Lukonis's blog post Christmas in July
"Paul, I have the quanum diy gogles too, but the screen i very sensitive to my UHF (which is filtered). this in not the vRx issue, as with a regular 7" 28usd monitor off amazon and the same setup I can almost touch my UHF antenna and the vRx…"
Jul 21
Artem replied to Eric's discussion Long distance milestone for multirotors? in the group ArduCopter User Group
"http://fpvlab.com/forums/showthread.php?20039-Personal-Bests-V5-(LEARDERBOARDS)  scroll down to the multies  section.  but I recently went over a thread where a Russian guy did 17km x2 with a video proof. but cannot find the exact…"
Jul 16
Artem replied to Randy's discussion ArduCopter-3.1 released!
"Recently I had this issue on a little smaller scale with an overpowered quad (hover at 25% throttle) you need to adjust you throttle mid in the MP, as the AC by default expect the throttle mid be in the 40%-60% range. I suppose you are trying to fly…"
Jul 6

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Comment Wall (3 comments)

At 6:05pm on January 29, 2014,
MR60
Forrest Frantz
said…

What is your budget?

At 6:14pm on January 29, 2014, Artem said…

this is going to be for my "dream tricopter"  and thus I will be making some saving for this purpose, so if it is under 100usd than I think I could afford them....  so far I found NX-4006-530kv motors 67g 481g @ 3.35amp theoretically 

At 6:16pm on January 29, 2014,
MR60
Forrest Frantz
said…

Also, can I phrase the question as such:

Is there a rotor (motor and prop) that generates more than 430 grams of net thrust (500 grams less motor weight of 70 grams; thrust after the weight of the rotor is removed along with the additional weight of 2 grams per inch of prop over 10"), while sipping 43 watts or less (3 amps at a 4S voltage that varies between 10 and 17 volts)?  In other words, a rotor with an efficiency of about 10 grams per watt at 430 grams of net thrust.

Is it OK to word the question that way?  If so, then a 130 gram rotor generating 560 grams thrust at 43 watts would be OK as would a 50 gram rotor generating 480 grams of thrust at 43 watts.

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