Artem's Friends

  • Gyrobot
  • Todd
  • Mikhail
  • Julien Dubois
  • Nick
  • Forrest Frantz
  • Rolf Blomgren
  • Shyam Balasubramanian
  • Tommy Larsen
  • Simon Howroyd
  • Rob_Lefebvre
  • emile 'butch' alline
  • Matthias Badaire
  • 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 Randy's discussion ArduCopter-3.2 beta testing
"Are those apm and pixhawk on different copters? If yes, most likelly you have a noise problem, potential sources are noisy powersupply and/or the vTx especially if it is 1.2ghz  "
yesterday
Artem replied to Shane's discussion Arducopter just not reliable.
"does that controller also run arducopter? "
yesterday
Artem replied to Joe's discussion Tricopter spin.
"ok,  when armed, in stabilize raise throttle to about 30% and give slight right aileron -> does the left arm lift? than give left aileron -> does the right arm lift?  than disarm and upload the log pls. "
yesterday
Artem replied to Shane's discussion Arducopter just not reliable.
"Mike, can you bench test ESC/motor/prop combo you are using for sync issues? Back in February I heard of the sync issues an bough about 10+ different brands ESCs and bench tested each one on them before I put them on my copters. sometimes AC…"
yesterday
Artem replied to Joe's discussion Tricopter spin.
"I mean did you double check that you didn't swap esc plugs on the apm side accidentally?  Does it just lean to one side or does it flip?  Pls plug battery, arm, try lifting off, disarm, post your data-flash log. "
yesterday
Artem replied to turdsurfer's discussion What's the current status of RSSI support on Pixhawk?
"Looking at RSSI on taranis vs rxrssi in MP difference is about 8-9% but I think this is more due to taranis showing its own RSSI i.e. how well it receives the telemetry from x8r (which uses more bandwidth thus introducing more errors) also taranis…"
yesterday
Artem replied to turdsurfer's discussion What's the current status of RSSI support on Pixhawk?
"Do you want me to take a video?"
yesterday
Artem replied to Joe's discussion Tricopter spin.
"incorrect motor assignment. "
yesterday
Artem replied to turdsurfer's discussion What's the current status of RSSI support on Pixhawk?
"Out of my experience, x8r + pixhawk do not need a filter, just plug and play. First read it on the 3.2 beta forum, tried and it works, but have not seen it documented thought."
yesterday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"This is exactly what I am talking about but believe was not totally clear, not just the APIs for i2c, but mavlink messages framework so MP would be able to receive it and display, same for ESCs (CAN preferably) so hardware people would know what to…"
Wednesday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Randy, this is maybe a bit out of topic, but I am not sure what will a be the best place to put this:  Is it possible to add I2C API for current/voltage sensor in AC3.3?  This would open up a way to use more advanced voltage meters which…"
Wednesday
Artem replied to Todd's discussion Pixhawk on a DJI S900
"if you have issue with sync adjust your timing and demag"
Wednesday
Artem commented on Gerard Toonstra's blog post Redesigning multirotor ESC's
"@ Gerard, my 5c, please make sure it supports at least 8s if not 12s lipo. "
Tuesday
Artem replied to Joe's discussion Tricopter spin.
"make sure your props are installed correctly i.e. not up side down, also that ccw motor spins a ccw prop and cw motor spins cw prop. motor direction is not mandated on a tricopter, you can use any combinations of cw and ccw rotors. make sure you do…"
Tuesday
Artem replied to Joe's discussion Tricopter spin.
"Full parameters list click find, type RC7, in the rev field enter -1, click onto write settings. This basically reverses the servo direction of the copter.  Let me ask you this: when trying to take off your copter starts spinning like crazy in…"
Tuesday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Does one need a RSSI filter for that? "
Tuesday

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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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