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Artem's Groups

Artem's Discussions

New power module proposition

Started this discussion. Last reply by Artem Mar 5, 2014. 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 Andrey Jan 18. 3 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

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 figuring out the Antenna Tracker
"Randy, I know hobby use is not a priority, but still, never hurts to aks:  us fpv hobby flyers do not need a full bidirectional mavlink with our vehicles, but we would surely do like to use antenna trackers.  I know AP sends frsky…"
Thursday
Artem commented on Paulo Neves's blog post FrkSky Telemetry To DroidPlanner Mavlink through external Bluetooth
"finally, a working solution for hobbyist where we do not need full scale bidirectional mavlink.  can you please implement it for the older frskyD protocol for use with openlrs/openlrsng hardware for long range? this would've been just…"
Thursday
Artem commented on Chris Anderson's blog post Great article on the use of drones to combat poaching
"Sorry, but its just not reasonable -to burn $172mil worth of goods, those are not drugs, so they do not heart people, moreover, its enough money to finance your operations for a few decades based on your estimates. Demand will always bee there.. its…"
Aug 9
Artem commented on Chris Anderson's blog post Great article on the use of drones to combat poaching
"@  Guy McCaldin may I suggest asking money from the government which "torches" so much $$$???  maybe they can sell certain portion and help fund your project?  I mean those elephants and rhinos are already dead,…"
Aug 9
Artem replied to Randy's discussion PixRacer with Ardupilot
"Ooops.:) "
Aug 9
Artem replied to Randy's discussion PixRacer with Ardupilot
"He meens is 12v for video filtered, in a sense: does it have an LC filter - nope, it doesn't if used with any modern high response ESCs 12v on ACSP4 does need LC filter, just like any other."
Aug 9
Artem commented on Chris Anderson's blog post Pixhawk/APM compatible Wifi radio
Jul 11
Artem commented on Chris Anderson's blog post Pixhawk/APM compatible Wifi radio
"google mavESP, works great and you can change  wifi channel, access point name and password. "
Jul 9
Artem replied to Randy's discussion PixRacer with Ardupilot
"if you are handy enough with the heat gun, try replacing LDOs with the genuine parts from Mouser/Digikey.  "
Jul 7
Artem replied to Randy's discussion PixRacer with Ardupilot
"is there a reboot button on the cloneRacer? if so, try warm reset, maybe the ldo they've used does not stabilize quick enough, so baro fails to start and since there are no more retries the process aborts."
Jul 6
Artem replied to Randy's discussion PixRacer with Ardupilot
"Hm, its DEFINITELY not hype, I've enabled onshot125 and all I can say is WOW! Throttle control in Stab is night and day.... it was the first time in 3years I fly AC That I am able to hover at the same altitude for more than 15-20sec on the same…"
Jul 1
Artem replied to Randy's discussion PixRacer with Ardupilot
"well, if you take time to read the results page of the MQTB its in line with what I've posted based on my experience.   the mentioned ESC is rather cheap $13, so should be relatively painless to check it out. just let me tell you, before I…"
Jun 30
Artem replied to Randy's discussion PixRacer with Ardupilot
"Huge, don't bother since than a lot has changed, the best ESCs right now are the ones which are able to run BLHeli_S (Small_Throttle_Steps) with both sides having fast n-gates, they have the motor PWM synchronized with MCU master clock, so…"
Jun 30
Artem replied to Randy's discussion figuring out the Antenna Tracker
"Understood. Thank you!  Splitting pwm is an option thus is what I do right now along with servo reverser as I am using two pitch servos in mirror position.  Why it would be usefull to split pwm out is to account for difference in center…"
Jun 21
Artem replied to Randy's discussion figuring out the Antenna Tracker
"Hi Randy, a few quick questions:  1. If apm2.6 or another board with NO onboard compass is used like miniPX4, can the compass be on the yaw only part of the tracker, or should it be on the same platform as the main board?  2. Also, is it…"
Jun 21
Artem replied to Randy's discussion PixRacer with Ardupilot
"Hi Tridge, thank your for getting the tricopter tail servo relocation option on port 5, however as much as this works great it is sort of a work around. Let me explain,RC2 doesn't have this option, thus an extra output (scarce on pixracer) is…"
Jun 14

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amature
Hometown:
RF

Comment Wall (4 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.

At 5:33pm on June 27, 2015, Paul Atherton said…

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