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ArduCopter User Group

Discussion group for ArduCopter users

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SPLASH DOWN

Started by Ben Snyder. Last reply by Pedals2Paddles 6 hours ago. 10 Replies

Well, one of the shittiest and most destructive things that could happen to a UAV happened to me today. Accidental low-battery LAND failsafe set my 3DR Y6 down... into a pool. I retrieved it…Continue

Taranis

Started by Tom. Last reply by Tom 15 hours ago. 8 Replies

Having huge issues trying to set up my Taranis with the Pixhawk. I can get the first 4 channels (AETR) working fine but I can for the life of me get channel 5 and the flight mode switches…Continue

Calling All Custom Multi-Copter Pilots!

Started by Forrest Frantz. Last reply by Bill Piedra 21 hours ago. 4 Replies

I plan to do what is called a "pull" to made changes to the custom code regarding custom shaped copters.  This change in code would only impacts irregular shaped quads, hexas, and octas when the…Continue

PixHawk Out of Box Problems

Started by Bruce Jones. Last reply by Thomas J Coyle III yesterday. 33 Replies

Yesterday I received the PixHawk I ordered on January 2nd.  Four week delivery time is pretty good for a new FC from 3DR!But I've had all kinds of problems trying to use it. First I tried using the…Continue

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Comment by Spencer Willis on July 25, 2014 at 12:54am

Dear All,

I live in Perth, Australia. This week I broke a prop adapter for a black 880kV motor - this is the piece that is screwed to the top of each motor - you attach the prop to this. It had already been weakened after I straightened it after a crash.

I am helping out this week on a field trip with a group of botanical researchers in country WA collecting plant material. I was all set to get some habitat footage with my Y6 to help their project. I have some spare motors on order from 3dr but they will not arrive in time. I don't know any place in Oz that supplies these motors.

This is a humble request - does anyone live in the Perth area that is able to lend me a spare prop adapter for next week? I can happily pay with a slab of beer :D

Spencer

Comment by Andrew Gaiennie on June 27, 2014 at 7:47am
Single sheet will block almost all signals, it will also redirect signals so you can wrap a sheet around 1/2 of your wireless router toward your workstation to boost the signal.
Comment by Andrew Gaiennie on June 27, 2014 at 7:46am
Aluminum foil.
Comment by Pedro H on June 27, 2014 at 7:43am

Hi folks,

I finally got to SaveTrim my Hquad yesterday and was a success.

Then I checked for interference using Mission Planner "compassmot"
The results:

-at 10% throttle: 57% of mag field
-at 50% throttle : 151% of mag field
-at 80% throttle: 229% of mag field
:eek:

What materials is best to shield my APM2.5? Foam? Plastic? Wood?

I plan to re-wire my red & black esc wires.  And plan to move APM higher on the frame.

Comment by Jordan Brown on May 26, 2014 at 11:56pm
People, new questions and topics should be posted as a new discussion above, the comments section down here makes it very hard to keep separate topics going at once.
Comment by Sean Headrick on May 26, 2014 at 10:16pm

I typically rely on a battery low voltage indicator which alarms at around 10%. That is where i have considered low voltage for landing. At any rate i don't typically use the low voltage fail safe. Maybe a problem long since solved but it used to not work so well and would trigger if I looked at it funny. For mapping these various fields I have been trying to optimize for a return at around 10%-15% remaining. 

  BTW we figured out the GPX.log file for overwriting the GPS info to the exif data.

Comment by UAVStuff on May 26, 2014 at 8:46pm
@Rob J I don't agree- 40%-50% seems way high for a fail safe initiation. In my experience my voltages don't start getting low enough to bat an eye at until 20% at most.
Comment by Rob J on May 26, 2014 at 8:41pm

40% should have caused a land action to occur...check your parameters and see if you don't have a land command to execute at low battery failsafe.  40% should activate failsafe.  You can't take a battery to zero.  Most people won't fly past 50%

Comment by Sean Headrick on May 26, 2014 at 3:22pm

so we were running some flights over some farmland the other day and a couple things came up..

  • The flight plan was executing smoothly when about halfway between two waypoints the aircraft started to descend at an alarming rate. Battery power was at 40%. Have begun looking through the .log files , but am still a bit new at analyzing the log files.could help me see what caused the unexpected loss of Alt. I think it may have been a WP ALt command but all my waypoints were at 45 meters.
  • Was also trying to figure out how to inject GPS camera locations where the relay was triggering the camera using the relay command from the RC9 pin. The " Goetagging Photographs" wiki page suggests only the tlogs can be used, Do these locations record anywhere else?

Thanks for your help

2014-05-24%2011-17-40.log

Comment by Steve Cain on May 23, 2014 at 5:38pm

BustamyTool... the pins do not need to be in place.

There are two flavors of power modules... the kind that provides 5v to the APM along with the voltage and current readings... and the kind of power module that only reads the voltage and current but does not have a BEC and therefore does not send 5v to the APM.  It sounds like you have the kind that only reads voltage and current but does not have the BEC in it.

 
 
 

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