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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 mP1 Feb 18, 2014. 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

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

Talha A. replied to Artem's discussion Flight Mode and GPS Error Codes in the group ArduCopter User Group
"I am having the same problem now. Did you ever figure this out?"
Tuesday
Artem commented on Dave Giles's blog post Drone delivering asparagus to Dutch restaurant crashes and bursts into flames
"did you guys notice that the "cargo" was not secured? unsecured cargo especially in a bucket will rattle causing strong low frequency vibrations which could make FC thinking of suicide....  "
Apr 16
Artem commented on Gary Mortimer's blog post 3D Robotics introduces Solo, the world’s first smart drone
"Rob, is there any way to load a hexa or an octo firmware except of the quad on that pixhawk2, does it connect to MP at all? "
Apr 13
Artem commented on Gary Mortimer's blog post 3D Robotics introduces Solo, the world’s first smart drone
"I wonder if 3DR will release the pixhawk2 along with their controller separately or we'll have to dig those things out of the SOLO?? to use with big birds? "
Apr 13
Artem commented on Gary Mortimer's blog post 3D Robotics introduces Solo, the world’s first smart drone
"I would ask them to sell this control system separately including the tablet app. After all gopro is just a gopro.... we want to be able to do the "cable cam" and "orbit" just as easily as with solo on our hexas and octas instead…"
Apr 13
Artem replied to Randy's discussion ArduCopter-3.2.1 Beta Testing
"most likely they got it from the dev repo "
Apr 8
Artem replied to ThatJoshGuy's discussion Pixhawk BAD ACCEL HEALTH APM 3.2 - collecting data
"not the pixhawk, but the whole copter WITHOUT lipo plugged in.... in old school terms it is called draining the capacitors... never hurts been doing it since early February on my basher copter. btw if you are looking for a budget friendly pixhawk…"
Apr 3
Artem replied to ThatJoshGuy's discussion Pixhawk BAD ACCEL HEALTH APM 3.2 - collecting data
"lol,,,, read better it says NON-3dr boards :) "
Apr 3
Artem commented on Klaus Heinrich's group PIXHAWK
"Question about current sensor resolution. I am building a high voltage 120A+ copter and looking for a suitable current sensor. I would like to try one of the hall effect sensors, but its resolution is 19mV per Amp. Is pixhawk sensitive enough for…"
Apr 2
Artem replied to Randy's discussion ArduCopter-3.2.1 Beta Testing
"Just set right under the min value yoor radio outs. I had this issue several month ago. Setting it to -10 of the min throttle did the tric... If this doesn't help reset the board to all defaults and try again, becasue now on the same borad and…"
Mar 25
Artem replied to ThatJoshGuy's discussion Pixhawk BAD ACCEL HEALTH APM 3.2 - collecting data
"In my case they started happening only after several month of regular use of a clone board infrequently but I made a decision to totally ground my ****hawk vehicles. In the mean time I have ordered a auav-x2 from ArsovTech. It is basically the same…"
Mar 14
Artem replied to ThatJoshGuy's discussion Pixhawk BAD ACCEL HEALTH APM 3.2 - collecting data
"Euan, what I wrote here applies ONLY to the clone boards!!!! If you have a 3dr board just send them an email they will replace the board. Even though the symptom is the same: bad_acc_health the cause is different with clones vs 3dr. Please read the…"
Mar 14
Artem replied to ThatJoshGuy's discussion Pixhawk BAD ACCEL HEALTH APM 3.2 - collecting data
"Now, next time this happens to you just short the PM input with something for 5sec+  and plug the battery again. This is just a way to manage this nasty symptom, the main reason is the poor quality(not-to-spec) cap in the lsd303d vcc filtering,…"
Mar 14
Artem replied to Randy's discussion ArduCopter-3.2.1 Beta Testing
"without the ground wire it is doesn't shield but rather changes the radiation frequency and strength."
Mar 10
Artem replied to Randy's discussion AC-3.1 autotune support discussion
"leonardthall,  getting back to autotune overshooting on tricopters,   attached is a smallish tri log I tried to autotune today in the morning. the resulted PIDs are really off. I would greatly appreciate you figuring out why autotune seems…"
Mar 4
Artem replied to Randy's discussion ArduCopter-3.2.1 Beta Testing
"Randy and other devs, frsky telemetry pixhawk output is seriously awesome, thank you! However, may I suggest several improvements: a lot of information can be passed through both s.port and the old hub protocol which many of us do not use, however…"
Feb 25

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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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