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« on: December 26, 2014, 10:14:12 PM »
cyberhack
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Hey everyone recently took a apm and as there is a new version of firmware 3.2 quadx tried that with my 450 quad bt it juss doesn't takes off and flips have done all calibration and checked all setting on tx rx evrythng normal except it flips to the right or sometyms left anyone had the same prb???
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« Reply #1 on: December 26, 2014, 10:30:51 PM »
gunnu
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hello. check motor rotation. 

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« Reply #2 on: December 27, 2014, 12:00:06 AM »
cyberhack
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yes motor rotation is correct and props too are right i tired on 2 apms buyed from 2 different places they bth flip
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« Reply #3 on: December 27, 2014, 12:01:32 AM »
gunnu
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than setup your radio again and correctly...
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« Reply #4 on: December 27, 2014, 12:03:27 AM »
cyberhack
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also tried on 2 radios flysky and avionics Tongue doesnt help also checked there are no mixes nthng idk wats the issue its juss too much powerfull seems so
config:
1000kv motors
30amp esc
f450 frame
3s lipo 2200mah

the same flies on kk2.1 perfectly bt flips on apm
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« Reply #5 on: December 27, 2014, 12:04:35 AM »
gunnu
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is your is update to latest firmware..?
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« Reply #6 on: December 27, 2014, 12:07:50 AM »
cyberhack
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yes i feel thats the prb wat and which firmware r u using?
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« Reply #7 on: December 27, 2014, 12:08:52 AM »
gunnu
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no i using naza...
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« Reply #8 on: December 27, 2014, 12:11:01 AM »
gunnu
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which apm are you using? genuine 3DR or clone..?
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« Reply #9 on: December 27, 2014, 12:11:54 AM »
cyberhack
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2.6 clone bth are clone
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« Reply #10 on: December 27, 2014, 12:12:38 AM »
gunnu
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from where u bought??
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« Reply #11 on: December 27, 2014, 12:14:09 AM »
cyberhack
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bth from different places one from lhs and one from banggood
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« Reply #12 on: December 27, 2014, 12:14:46 AM »
cyberhack
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lhs apm 2.6 was wrking before perfectly bt after update it flips
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« Reply #13 on: December 27, 2014, 12:19:06 AM »
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i was also planing to buy apm 2.6 clone but watching reviews on youtube about chines cloned apm.. i prefer to buy naza...
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« Reply #14 on: December 27, 2014, 08:53:19 AM »
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I have a pixhawk and apm and both clones work fine on 3.2fw .
Since you are having issues with all the APM fc's after update, you must probably be overlooking something.

Have you redone acc/mag calibration after update, other than that check for loose joints in wiring. And if you are switching Tx'es, its highly recommended to calibrate the esc's and radio calibration too. Also recheck prop orientation and motor rotation & connections to FC.

Anyways please put a photo of your setup.
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« Reply #15 on: December 27, 2014, 10:01:27 AM »
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Re:

Try reset all parameters and recalibrate everything.
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« Reply #16 on: December 27, 2014, 10:48:57 AM »
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I have apm2.6(clone) , with version 3.2 quadx ,it works just fun...., like akhilzid said try resetting parameters ND recalibrate everything , do a motor test ,in this version of ardupilot the pitch axis is reversed(i.e. forward is back, ND back is forward ) ,so reverse that channel in ur radio , if everything doesn't work ur compass is probably bad (compass offsets should be between -150to150),or try loading an older version of ardu copter.upload a picture of ur setup..

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« Reply #17 on: December 27, 2014, 11:37:07 AM »
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Today even I updated the firmware and everything's working fine.
But I'm loosing height on alt hold Sad
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« Reply #18 on: December 27, 2014, 12:05:10 PM »
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@immanuel i am nt using compass and 2.6 dont have a compass its disabled right? do i need a compass to fly with apm???
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« Reply #19 on: December 27, 2014, 12:33:18 PM »
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The original 3dr APM 2.6 doesnt have compass onboard but the clones do with open/closed solderpads. So you would need to check your FC if the compass is there and connected.

I would like to point out that connecting motors is different in APM than in kk, if thats what you are coming from.You can check the motors rotation direction by doing a motor test from mission planner( without props on).

Anyways flips happen if :
accelerometer/gyro are uncalibrated,(gyros wont be calibrated properly if you are moving the copter while booting up)
uncalibrated radio,
wrong prop configuration,
wrong motor rotation direction ,
connected the esc incorrectly to APM,
powering issues,
loose connections.
too much vibration
Or finally bad pilot, unflyable wind conditions and bad tuning.

These are some links where you can find accurate details:

http://copter.ardupilot.com/wiki/common-installing-3dr-ublox-gps-compass-module/#Connecting_to_APM_25_APM_20
http://copter.ardupilot.com/wiki/motor-setup/
http://copter.ardupilot.com/wiki/connecting-the-escs-and-motors/

Compass is not necessary but I would suggest you to get a compass/gps module, because you would be missing various flight modes without them. And without them, APM is only as good as kk2 with alt hold being an exception and autotune.
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« Reply #20 on: December 27, 2014, 12:37:48 PM »
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@sidewinder thank u i have done all the above steps i have checked it with two apms and two different tx rx Tongue now only a possiblity left is my apm is powered by escs and all escs have all wires connected i have heard that only the motor 1 esc should have power and rest shouldnt have ? is it ? that may cause a flip?
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« Reply #21 on: December 27, 2014, 12:45:32 PM »
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 if ur using the latest version of apm , it'll not allow u to arm it if something is wrong with ur calibrations ,( is ur mission planner giving any error messages ?)on board  , I bought my apm 2.6 from quadkopters.com , check the description of the apm from the site u bought it , if u don't have a compass just buy one with a GPS module like sidewinder said (www.quadkopters.com/product/flight-controllers/ublox-6m-gps-with-cover/) ,
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« Reply #22 on: December 27, 2014, 12:46:34 PM »
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No if ur escs are linear type they all can have power
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« Reply #23 on: December 27, 2014, 12:53:16 PM »
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Re:

My friend also had the problem with the latest update.. GPS reports malfunction. I guess the latest update operates at much higher frequency to give better response time. Please check the aurdupilot forums. It talks about some blown out voltage regulator
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« Reply #24 on: December 27, 2014, 12:58:06 PM »
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Re:

He has now returned to the old firmware.. Everything works like a charm now. For his tricopter. GPS now doesnot report any malfunction. The latest update seems to be buggy.. Would suggest to stay on the older firmware for some more time.. Until a stable one comes
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