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Discussion group for ArduCopter users

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Laser Altimeter

Started by Bradley J Carr. Last reply by Bradley J Carr on Tuesday. 16 Replies

Fuel for the thought. I wanted to see if anybody has every wanted to try this. I am not sure how it works but I had read about it and wondered if somebody wanted to try it.Continue

Sonar questions.

Started by Bradley J Carr. Last reply by Bradley J Carr May 25. 16 Replies

I have a question with the 3dr quad.  I was out flying a while back and this is something that keeps bothering me.  It was in auto mode.  I have sonar enabled.  When the copter rolls does the sonar…Continue

APM2 physical dimensions

Started by graham newton. Last reply by graham newton May 23. 2 Replies

I would love to know the mounting hole spacing of the APM2 unit.Can anyone help me out?Continue

APM on a Scarab Stealth-Reconn

Started by Björn Geir Leifsson May 22. 0 Replies

Before rebuilding a crashed Scarab Stealth-Reconn from Multiwiicopter.com (…Continue

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Developer
Comment by Adam Rivera on May 8, 2012 at 2:13pm

Bradley: Nice work! You have come a long way in a short amount of time. Glad it went well :-)

Comment by Bradley J Carr on May 8, 2012 at 2:12pm

Just made my first FPV flight yesterday with my 3Dr quad.  I must say I have practiced this on my Real Flight software and was comfortable to try on my quad.  After getting off the ground I think I just about soiled my shorts!!!  Way different than the simulation.  Made successful flight!  But I was shaking before I was done.  Thanks for Alt_hold and RTL.  My quad was safely returned to ground with no harm done.

Comment by John C. on May 2, 2012 at 3:30pm

Gustav, I agree.  My APM2 quad has been sitting for a few weeks now, because it worked extremely well for me.

In those weeks, I took the APM1 that was in the quad, and moved it to a Zephyr II.  It's fun to watch that thing come back and circle over-head.  Good FPV confidence builder. The minim/arducam OSD has been working well for me too.

We should make a map of people who are willing to be "local help".  It would be good to meet others, and help pass on some of the basics.

Anyone done a world-wide map like that before on the web?  Seems like it would be most effective integrated into the support arm of the wiki/forums on this site, but that's not my call.

Just a thought.  I'd sign up to help out.

Comment by Gustav Kuhn on May 2, 2012 at 1:41pm

Same old, same old..

After having a beer or six too many, I flashed the latest code using Micheal Oborne's fine MP into my stock standard quad, setup using the the default(old) values, and proceeded to hover in my small living room.

Very stable, no yaw issues, best/crisp throttle response ever.

I'm using a DX8 with telem on the flight pack, flew until the battery warning came on.

So I'm going to have to say this...

If your quad/hexa/octo, in stab mode,  does weird things like falling out the sky, flipping over, yaws like a drunken sailor (or me, tonight), you did something wrong.

Not using recommended parts, prop rotation wrong, motors not soldered properly, ESC's not calibrated correctly, batteries not rated for the current draw, batteries flat/not charged correctly, wiring incorrect/too thin/bad solder joints.

I've been in the AP scene almost exactly one year now, and RC since 1980.

In this year my quad crashed exactly twice, a prop came off the front motor, and the power lead pulled out of the APM.(ok, I did fiddle with the wiring prior, and didn't check)

And another two or three where I flew into trees.( Hey, my backyard is only slightly larger than my living room:-( )

I suppose, what I'm trying to say, is, unless you have a pre-assembled and checked quad/etc., and you have problems, it is due to your own build.

I do repairs/builds for a LHS, and we've had exactly one factory fault apm.

If you are having problems, I bet there are stacks of APM type people near where you fly.

And SEEING the quad/whatever, probably is a much faster way to diagnose your problem, than posting on the forums.

I for one, don't mind trying to help on the forum, but I would much rather put an eyeball on the actual aircraft.

Nobody is going to think less of you doing it this way, unless you don't follow the given advice !

Comment by Chris Kreuzer on April 25, 2012 at 11:27pm

Hi...

Are the UART0 and UART0/2 Pins are the same?!? Can I connect minimOSD to the one and 3DRadio to the other?!?


Moderator
Comment by Chris Anderson on April 22, 2012 at 1:14pm

Thomas: Try doing the MP setup again. You may have your + and x setting reversed. 

Comment by Thomas Rutter on April 22, 2012 at 9:01am

HELP!!!  I'm new, but a highly experienced heli guy.Just finished a large, (840mm) custom hexa. It worked perfect. Then I downloaded an update and now my aileron stick thinks it's an elevator. Not good. Do I need to do a reset and load in an older version? Even my code writing hacker genius buddy couldn't figure it out.

Advice would be appreciated. Thanks in advance.

Comment by Dan on April 20, 2012 at 9:52am

I found a post in one of the forums with a similar problem.  According to that kind gentlemen, DIYDrones shipped two different types of plain yellow ESCs, one of which is not programmable (despite what the instructions say).  That would certainly explain my frustration...

Comment by Dave Langridge on April 20, 2012 at 9:29am

Dan,  try setting your trim on the Tx to minimum or full trim...you might not be getting the full throttle to get into the calibration settings.

Comment by Dan on April 20, 2012 at 7:58am

Happy to skype with anyone who want to inspect my setup.  This is ridiculous since I can't get the basic 3dr kit to work...

 
 
 

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