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
"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…"
3 hours ago
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…"
5 hours ago
Artem replied to Todd's discussion Pixhawk on a DJI S900
"if you have issue with sync adjust your timing and demag"
23 hours ago
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. "
yesterday
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…"
yesterday
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…"
yesterday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Does one need a RSSI filter for that? "
yesterday
Artem replied to Joe's discussion Tricopter spin.
"Looksa like you might need to reverse your yaw servo.... RC7_rev -1"
yesterday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Same here, would also like to see ho to get rid of this. "
Sunday
Artem replied to Randy's discussion AC-3.1 autotune support discussion
"  I havent heared anyone loosing synch at 3s though (you case)....  So far  have done autotune multiple times with 380kv 15x55 6s setup w/o any issues. However, I have hand picked my ESCs from the beginning out of more than 10…"
Saturday
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Randy, is there a feature request list for post 3.2 releases anywhere? Thx. So far RC12 is treating me good. Thx for all the hard work!"
Oct 14
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"some pilot cams have metal cases, I have a camera which has plastic case, but its mounting bracket is metal, so yes anytime you add any metal parts or change position of the current metal parts you should redo your compass calibration. "
Oct 14
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"no, not really unless you are traveling 200-300 miles...  but i found out that it does affect my compass calibration when I added the gimbal and relocated the flightcam. "
Oct 13
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Nope, nothing was changed in the EKF tree. I fly a large tricopter 6s with 15" props, and 450 size V quad with pixhawks. for generally good flying make sure you do compass calibration every time you change literally anything on a copter, like…"
Oct 13
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"with EKF on, copter has much finer control, also, on a windless day if I put it in alt hold it will stay in the same place for at least 25-30 seconds before starting to drift.  Loiter for me is within 10 inches box with 11 sats and hdop 1.8 So…"
Oct 13
Artem replied to Randy's discussion ArduCopter-3.2 beta testing
"Minimosd wiki, same settings for all three. This is what makes both my minimosd and teensy happy."
Oct 12

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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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