Code R375 Please turn your volume down!!!! You will see in the video after some really good stable flight, it gets quiet unstable.

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3D Robotics
Comment by Chris Anderson on September 8, 2010 at 4:38pm
Please specify which software version (including libraries) you're using. There are commits several times a day so the software is changing fast in this period, before we've released it for public consumption.

Comment by Mark Colwell on September 8, 2010 at 5:50pm
No damage? She looked good, then took off and flipped over? How far off ground?
Comment by Scott Quartochi on September 8, 2010 at 6:25pm
One motor broke, but I had another. I think it was almost 30’

Comment by Mark Colwell on September 9, 2010 at 3:02am
Look for a loose wire / connection, maybe where soldered to connector, tug each wire firmly, Just a guess.

Comment by Jani Hirvinen on September 9, 2010 at 6:17am
Scott i would not say that as a stable on any point. looks like you have some serous problems on your PID settings and that could cause your crash too. Try to lower down your PIDs. What type of PID values you had on that quad. Weight of it, size. Did you fly on GPS hold on or off, did you fly on acro more or stable mode.

But like said, that was not stable and if my quad would be "jumpy" like that I would ground it immediately.
Comment by Scott Quartochi on September 9, 2010 at 8:39am
Thanks for the input Jani. I really had nothing to compare the steadiness too. PID’s are the default. I haven’t got the weight of it yet. But the size is 53 centimeters from motor to motor. With 12” props/ Turnigy 2217 20turn. I have a T6XH 6Ch radio channel 5 is mixed with channel three, and when I did the calibration I had all 6 channels connected, just to do the calibration ( it would not save the calibration if it was not connected ). Then unplugged the GPS hold channel. I will try to get the weight of it today.

Comment by Jani Hirvinen on September 9, 2010 at 8:49am
Hmm maybe that was your biggest mistake. I mean disconnecting GPS channel.. I just fixed one bug on that.. If you did not have GPS channel connected it was automaticly on GPS hold and that does not work correct yet. As said, I have just fixed it on latest code. So you might upload that to your quad...

I also do run with all default settings, did even use different props, 850kv, 880kv and 1000kv motors.. No problems and it was stable. Well with 1000Kv it was a bit more aggressive.

Comment by Jani Hirvinen on September 9, 2010 at 8:59am
Well here is one example of rather stable quad with default settings... There are few other videos under my channel about tests... Especially onboard cam part 2/2 I have often my hands of from radio. Mainly only times when it wobbles a lot, I do some random moves with pitch/roll stick to test response from quad and other stuff.

And even this is not yet as stable as we want :)
Comment by AC on September 9, 2010 at 3:49pm
Nice video there. What is the camera your using?

Comment by Jani Hirvinen on September 9, 2010 at 5:51pm
AC, it's sony bloggie on ArduCopter sony bloggie mount


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