I need some help, I have had some issues where my quad has been repeatedly flipping over mid-flight. Once the quad is on the ground a very strange sound is emitted. I have checked my motors and ESC's and they are all perfect. I am thinking that it might be a glitch. I have a videobelow which continently catches it flipping. Luckily All I have broken so far is a few props and some nylon bolts.
Please help me!
Please look at my new discussion, the problem continues!!
Point taken, not really convinced though. I guess "peace of mind" could be a valid reason, but as I said I have never had problems with the connectors on the helis, so why should it be a problem on the quadcopter? OK, there are a factor of 4 more leads, so it is like flying 4 helis simultaneously and thus enhances the possibility of failure, that is true, but the current and vibration is probably higher on the helis. Anyway I really think that the emphasis on soldering the connectors that I witness in the forums seem to me to be blown out of proporsion. There are other factors involved here that are of far greater importance (IMHO). For instance I cannot understand that the current 2.4.1 release, which has a documented fatal error, is and has been for weeks the "recommended" release in the Mission Planner. Beats me. I have not flown since before christmas, because there has not been a release sufficiently safe to fly, in my opinion. Great hopes for the next 2.5 though :) After all the concept is awesome, and it will "soon" materialize I am sure of that, with so many great people working hard to improve the platform... I just hope that I very soon can take it out to do some real confident flying, and I dont think my worries will be the bullet connectors :)
I agree, I've had 1000's of flights with electric planes, heli's and now quads and I've never experienced a bullet connection failure. An EDF of mine at 1.3kW uses the same bullet connectors my quad uses and it's has no problems. I can understand that vibration can cause certain elements to fail or come loose, so I do check my bullet connectors occasionally on my quad but so far have not felt the need to solder them. Each to his own of course :)
Geir, fully with you on the fatal error in the release of 2.4.1, although admittedly it's only apparent on some platforms, Flown 4 x 11 minutes today with the upcoming 2.5 release from the git and it looks very good.
I have just soldered all my connections and have reloaded v2.4.1 onto my APM, I have not had a chance to go buy some more prop's yet though so feedback on whether it was worth the effort is not yet available. I Am going to try buy some tomorrow, I will let you guys know what happens!
A random crasher gives an encouragment!
I had an issue with a flip --> a faulty motor -> changed it and worked fine.
Had a drift / lean issue (copter increasingly tilts to one direction and that needed to be compencated with right stick) --> increased P-terms in rate- roll, rate - pitch and rate- yaw & added padding to the board to remove vibrations
End result is a very steady quad. In low wind conditions it really with no hads. That was not possible with HK-board!
Thanks you all guys developing Arduboard! Thank you!
Craig, have you considered your Lipo Batteries, and ESC. Is your ESC set to slow cut throttle when pack voltage decreases past a set amount. Check your pack voltage as well when it is fully charged. Do you know how to check the voltage for each cell?
I have wasted many hours in the past looking through logs, code, inspecting hardware instillation, only to discover It was a bad Lipo cell and ESC settings.
Check the nominal voltage of each cell charged and discharged.
Todd, as I said previously I have tested all my ESC's and calibrated them with the TURNIGY programming card to the lowest cut off voltage with a soft cut off. I have check my battery before some flights with a battery voltage indicator. Also I fly with a battery monitor and therefore never come near the cut off voltage of my ESC's.
Thanks for the idea anyway.
Guys please take a look at my new discussion, My problem is continuing!!