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 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…"
Monday
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? "
Monday
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…"
Monday
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
Artem replied to Shane Hopcroft's discussion MiniAPM v3.1
"Thx for the indepth reply, will be good if you or 3dr make this type of a board or a px4 lite kind in the same price range for just fpv use where waypoints are not used only good reliable RTL. But in the same price range about 50usd :)"
Jun 25
Artem replied to Shane Hopcroft's discussion MiniAPM v3.1
"never mind my above statement, i2c should be 3.3v on the original apm2.6 ... since recently I am using a neo6m GPS +mag combo from rangevideo and that i2c cable has only the logic wires, while vcc+gnd comes from uart connector after looking at the…"
Jun 25
Artem replied to Shane Hopcroft's discussion MiniAPM v3.1
"maybe some caps to smooth out the Vcc would do it? we are using caps on the standard apms anyways..... "
Jun 25
Artem replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"Hi Gabor, thank you for your work on the extra firmware. I have a question, is it possible to change the font size of the text? "
Jun 25
Artem replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"no prob, glad to help! "
Jun 25
Artem replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"you need 5v FTDI, also make sure it is pure 5v as most of the double voltage 3.3v/5v will have selectable Vcc but the logic part is just 3.3v and for minimOSD you need those 5v. another thing I read on the forums is that some PC motherboards will…"
Jun 25
Artem replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"Yep, I know that, but that did the trick for me I start thinking that the 5v from my ftdi adapter were not enough, or not enough amps were supplied."
Jun 25
Artem replied to Shane Hopcroft's discussion MiniAPM v3.1
"I think 5v and ground on the i2c line are redundant with the 5v and gnd on the uart line of the gps lead. So you can just skip the devision part, I believe 3dr put the 4 leads there so that the mag can be used all by itself without the GPS and vice…"
Jun 25
Artem replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"Flash the latest firmware I believe it is 2.4 and than flash the mcm file that comes with it while powering 12v side with 12v. That did the trick for me. Not sure if it is safe to do while your 5v jumper is soldered but nothing bad happened to mine,…"
Jun 25
Artem replied to Shane Hopcroft's discussion MiniAPM v3.1
"Aaaand here is a case for them:http://m.ebay.com/itm?itemId=301219790063"
Jun 24
Artem replied to Randy's discussion ArduCopter-3.1 released!
"RE: alt drop during forward movement. Is there a parameter to tweak so the copter would prioritize inertial data over the baro during horizontal movement? "
Jun 24

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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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