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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 PixRacer with Ardupilot
"will try that soon, yesterday was a bit windy which resulted in bent motor shaft :)  btw, it would be great if AC Tri firmware would support servo feedback from hall effect servos... there is a cleanflight variant called triflight which…"
Apr 22
Artem replied to Randy's discussion PixRacer with Ardupilot
"Hi, yes, I've started to set Yaw_filter to 20Hz back in AC3.2 per your advice, otherwise it was barely flyable.  It seems that there are two factors causing this "delayed" behavior... First- there is a bit of latency about…"
Apr 22
Artem replied to Randy's discussion PixRacer with Ardupilot
"great! while we are at it, going back to AC 3.1.2 (ancient now) tricopter yaw control was much better with only the stock YAW PIDs (crisp and precise), now stock values make YAW really "delayed" and autotune returned yaw PIDs are plain…"
Apr 21
Artem replied to Randy's discussion PixRacer with Ardupilot
"will try tonight-tomorrow night, we are going to fpv this evening so I need my tri fully functional. currently it has pixhawk on it, will have to replace, a lot of stuff to fully test, I've being asking for this patch since February on the RCG…"
Apr 21
Artem replied to Randy's discussion PixRacer with Ardupilot
"Thank you very much!  I will gladly test it, just let me know via a PM. "
Apr 20
Artem replied to muavdrones's discussion Current architecture of drone autopilots is wrong , Drone hardware architecture needs to be completely re-engineered.
"oh yes, Y6 for some reason seem to be very stable in high winds... I remember the day I've maidened my first Y6 (7kg) wind started building up right when I got into the field so strong that I was seriously debating myself weather I should call…"
Apr 20
Artem replied to Randy's discussion PixRacer with Ardupilot
"HI guys, its great to see the development to continue even given serious financial cut backs! There is one frame which is supported by AC, but which we cannot run pixRacer on- it is a Tricopter - yes the humble tricopter. Why- because tail servo is…"
Apr 19
Artem commented on Jose Alberto Soler's blog post DJI targeting the commercial market again
"Rob, I am as much a fan of AP as you are :) but when it comes to fast forward flight my cousin usually loughs his ass off of AP and demonstrates how his 780ish quad can travel 100s of meters only about 2 meters off the ground while he holds his TX…"
Apr 19
Artem commented on Jose Alberto Soler's blog post DJI targeting the commercial market again
"never had an A2, but naza v1 lite my cousin has (for a few years now) never sagged neither on 450 quad, nor on 780 hexa nor or 580 quad we've built using totally different motors/escs, frames and props combinations... really.. as much as I like…"
Apr 18
Artem commented on Jose Alberto Soler's blog post DJI targeting the commercial market again
"but they do make great flight controllers.... even the stupidest naza v1 will fly straight level while pixhawk will "sag" about a meter every 30-40 meters depending on how fast you go... that's a great shame that our community still…"
Apr 18
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"@ Duffy, yep, I've seem those and actually a few similar ones (b&h photo has similar but studio grade ones) they are notorious for being bandwidth hogs... I read people can't do anything even over a wired gigabit network when these are…"
Mar 15
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"most of the filming I did incorporated quite a bit of moving subjects, so the regular wifi preview from gopro is useless, SD works, but i want to have better image so focus/zoom could be manually adjusted for effects details more details I see the…"
Mar 10
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"CF parts designed and cut by me, aluminum parts are sourced from glb and tarot.  arms fold down umbrella style for a really compact package. "
Mar 10
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"@Duffy, I hoby as fpv, so i decided to make a bit of money on it and invested in a heavy camera carrier, I have a few friends in video/photo business who sometimes use my help, I mainly carry their GH4 and A7, because when GP4 is enough for them,…"
Mar 10
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"@ Duffy, the goal is to improve shot framing on professional AP rig due to higher resolution video down-link ... on a budget... so  Pi cam is useless, it needs to be video out from the filming camera.  "
Mar 9
Artem commented on Patrick Duffy's blog post Part 2: How to build a High-Definition FPV UAV using a Rasperry PI with HD camera, using a high speed WiFi link
"@ Duffy my  goal is to get reasonable latency (under 200ms)  while pumping 720p @30fps  out of GH4 / A7  or similar for distance under 1km.   at the same time I am reluctant to pay  $1.5k for lighbridge or the likes..…"
Mar 9

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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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