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ArduCopter User Group

Discussion group for ArduCopter users

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Discussion Forum

Iris to X8

Started by Bob Kirkpatrick. Last reply by Ivan Bejarano on Monday. 7 Replies

My Iris was accidentally run over and two arms were broken off and the motors and propellers on those arms were destroyed. Iris' shell and contents were not harmed. I was thinking that I would like…Continue

Building Copters with Round Tubes - Stronger, Lighter, Easier to Mount Motors than Square Tubes

Started by Forrest Frantz. Last reply by Hugues on Monday. 464 Replies

Round tubes offer the following pros:handle twist better than square tubes.  Thus for the strength, are far lighter.are more readily available (pipes, tubes, arrows, kite frames, golf clubs and…Continue

APM with Raspberry pi (connection) make as a WI-FI

Started by yuvraj. Last reply by yuvraj on Monday. 7 Replies

I have to integrate the apm with Raspberry pi and my plan is I don't wanna use the 2.4 ghz radio instead of using this I need to fly through laptop/desktop or mobile phone If any body done please…Continue

Tags: raspberrypi, apm, wirelesscommunication, wifi

Anybody heard of ESC losing calibration after ESC low voltage cutoff

Started by Sean Headrick on Friday. 0 Replies

  In an attempt to understand the absolute full extent of the battery payload, a field operator had conducted a test allowing the copter to loiter until it "fell" from the sky. I know, I cringed…Continue

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Comment by DG on Tuesday

I have NEO-M8N from CSGshop. Plug-n-play after verifying settings. I normally get 17-23 satellites and 1-1.2 hdop within 15-30 seconds, depending on cloud conditions, K-Index doesn't seem to affect it nearly as much.  With the 6, some days I couldn't fly because hdop wouldn't drop below 2.5 or <10 satellites, or even glitch after takeoff....yikes.

No negative issues yet, only orders of magnitude more confidence I will fly when powering up.

Comment by Richard Kennedy on Friday

Vote of confidence for NEO-M8N??? If you are using one can you say it's been solid / trouble free? Better than the 7? I lost a quad last summer. Fly way. Never found it so I'll never know but I had a M8N on it at the time. I'd like to put one on my new quad I do like how fast it gets 10 sats or more!  But I sure would like to here people say they haven't had any issues them first. Thx

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 Jane Margiotta on December 16, 2014 at 1:06pm

I am new to UAV drones and need help.

Does a ESC 40a with a built in 4a UBEC work with a 2200kv motor?

Also how much will this be able to lift in weight (kg)? 

Thanks very much

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.

 
 
 

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