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ArduCopter User Group

Discussion group for ArduCopter users

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What's the difference between ( Absolute , Relative , Terrain ) Alt in MP ?

Started by Marco C. Last reply by Randy on Wednesday. 4 Replies

Can anyone tell me how can I fly my copter keeping costant distance between it and the ground, I want to use google earth data to achieve this,  I think it is possible but I have some problem to…Continue

NEW - GPS/INS system - High accurate low cost attitude,position,velocity sensor.

Started by htr. Last reply by Benjamin Trapnell on Monday. 1 Reply

Hi guys,As we all know high accurate attitude(orientation) , position , and velocity data are very much important for UAV navigation.Air plane is a vehicle which always travel with some considerable…Continue

Any experience with Li-HV batteries?

Started by Cala. Last reply by Cala on Sunday. 16 Replies

Anyone test this batteries?  …Continue

No compass calibration no movement at all!

Started by mark liles. Last reply by mark liles Aug 20. 9 Replies

Hello, I am using windows 10 and have 2 separate APM2.6I can update and have loaded firmware ver 3.2, and everything goes fine until I get to the compass calibration, and than nothing. NO dots, no…Continue

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Comment by iskess on January 7, 2015 at 3:33pm

What have people found to be the most efficient forward speed for mapping on a 3DR Y6?

Comment by agentremnant on December 16, 2014 at 2:46pm

Please stop the misinformation.

2200kv with a 6s will kill a 30a/40a ESC.Also, weight of quad impacts flight time..... Slower KV larger propellers is more efficient. Battery capacity influences flight time and somehow you estimate flight time without this variable..... So please just stop. 

Please use a calculator sch as http://www.ecalc.ch/

Battery voltage, KV, Propeller size are all contributing factors. Voltage can be anywhere from 3 - 50v. 

2200kv..... I would never recommend this speed of motor on multirotor unless using 2S.... But your discharge requirements on the LIPO are going to severely  limit thrust.

Comment by Tony Hyde on December 16, 2014 at 2:30pm

2200kv @ 30A will but it depends on the motor and props for lift..
2200kv is usually a small profile motor for about a max of 8 inch props and at that wattage 2 or 3 cell you are looking around sort of 15 mins flight time on a quad or tri.

Comment by Jadson Dos Santos da Silva on December 16, 2014 at 1:45pm

Prezados Colegas ,

Sou iniciante nesta área e gostaria de saber como posso da iniciar a  montagem do meu Primeiro Drone,gostaria de sabe dicas sobre componentes e matérias que serão utilizados na montagem.

Desde já Agradeço a Compreensão.

Atenciosamente.

Jadson Santos

Comment by Artem on December 16, 2014 at 12:58pm

Question about pixhawk hardware:

pixhawk logs vcc @ 5.13v, however its servo rail voltage measures 4.41v. I use 6s lipo, so I have a non 3DR power module and at first I though that the problem was with its BEC sagging under load, so I disconnected it and measured voltage without load exactly 5.13v (as pixhawk logs) When I connect a 9W LED, voltage goes up to 5.2v so this is definitely not a PM issue. Is there some kind of a diode between the main vcc and the servo rail? 

Comment by Josh Welsh on November 27, 2014 at 12:39pm

I hear ya man, don't sweat it.  Now let's go fly! :)

Comment by Doug Walmsley on November 27, 2014 at 9:27am

@Josh and @David

I apologize for the comment I made earlier, I'm venting because there are folks out there who think they know what's best for me and others.  I do see a benefit for having it, but I don't want it forced on me unless I break the 400' ceiling.

Comment by Josh Welsh on November 26, 2014 at 8:29pm

I actually live inside two circles haha


Moderator
Comment by David Anders on November 26, 2014 at 7:19pm

I live within one of the circles... The dotted lines in the sky are quite annoying. But seriously, I share your pain.

Comment by Doug Walmsley on November 26, 2014 at 6:50pm

My issue is with the display.  I can barley see the map due to the TFR circle over my property.  I'm not saying to rid it, but I'm allowed to fly withing the TFR as long as I do not break the 400' ceiling.  Therefore, I should have the right to turn off the TFR circles if needed.  Since I'm sure you don't live within one of these circles, it's easy for you to stomp your feet and be vocal for something that doesn't affect you. 

 
 
 

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