Major quadcopter issue, cannot diagnose

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crg5990
Posts: 9
Joined: Wed Nov 12, 2014 6:26 am

Major quadcopter issue, cannot diagnose

Post by crg5990 »

Hey guys, first post only cause I have a wild problem occurring with my setup. It's a qav250 running the full naze32 fc, afro mini 12a esc with Simon k pre flashed, 4s battery, spektrum ar610 rx with dx6 tx, and lumenier 1806 2300kv motors. Not sure how relevant any of that is for this problem but just putting it out there.

Ok so here's the issue: the motors hit what seems like full throttle, at only half stick on the tx. In baseflight the throttle channel and motor test boxes continue to read from 1400 up to 1980 but the motors don't spin up any faster. I've tied everything from calibrating all 4 esc at once in baseflight, calibrating them 1 by 1 directly thru the rx, setting min and max in the cli, setting the tx to try and get mid power at mid stick, and 1 by 1 via motor test. Nothing changed a single thing other than when I calibrated 1 by 1 in motor test, they got slightly better, as in the motors worked exactly as they should, but only 2 of them. The other 2 actually got worse and didn't even turn on untill around 13-1400. Both my friend, who knows much more about this stuff then I do, and I are stumped and any ideas from people would be great. At this point he's thinking something is wrong in the latest firmware for the naze or the Simon k firmware.

waltr
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Re: Major quadcopter issue, cannot diagnose

Post by waltr »

Does the TX's sticks go to the correct End Points as seen in the BF GUI?

crg5990
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Joined: Wed Nov 12, 2014 6:26 am

Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

waltr wrote:Does the TX's sticks go to the correct End Points as seen in the BF GUI?

They do

waltr
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Re: Major quadcopter issue, cannot diagnose

Post by waltr »

What version of BF?
Did you try updating the code?
Did you try with 3S battery?
There has been a number of reports of bad Nase32 boards. You could have one.

crg5990
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Joined: Wed Nov 12, 2014 6:26 am

Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

waltr wrote:What version of BF?
Did you try updating the code?
Did you try with 3S battery?
There has been a number of reports of bad Nase32 boards. You could have one.

I don't have it infront of me right now but I downloaded bf from chrome about 3 weeks ago and also flased the latest firmware to the board the same day so I'm assuming it's all the most current stuff. I did try with a 2200mah 3s that my friend had and it was no different

akpalus
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Post by akpalus »

Increase or decrease looptime and see.

crg5990
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Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

akpalus wrote:Increase or decrease looptime and see.
About how much? I went from the original which I think was 3500, to 3000 with no effect

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treym
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Re: Major quadcopter issue, cannot diagnose

Post by treym »

crg5990 wrote:
akpalus wrote:Increase or decrease looptime and see.
About how much? I went from the original which I think was 3500, to 3000 with no effect



check the expo settings of your tx (and use the monitor fonction to check the sended value )
check the expo setting in baseflight .




4s battery +1806 2300kv : i dont know about that combo, but for sure you can adjust the 2 above expo setting so you motor get their max rpm at max throttle .

crg5990
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Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

Expo on the tx are all 0%, and sends -100 to 100 while monitoring. In baseflight throttle expo is now .18 (was 0.00) and neither setting helps. Will try messing with both right now and see what happens.

EDIT: Just tried throttle expo at 1.00 and 0.00, also tried setting the throttle travel in my tx to its highest and lowest endpoints (-150 to +150) along with going from -100 to +50, -100 to +35, etc. Everything acted the same. Motors went from idle to 100% within 20% or so of stick movement

Also, since it was asked before, I'm using baseflight .56

akpalus
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Post by akpalus »

Try setting in 2500 your looptime. Maybe 3000 is too high for you esc.

crg5990
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Joined: Wed Nov 12, 2014 6:26 am

Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

Tried 2500, 2200, 2000 etc down to 1200. Also went the other way just to see, up to around 4200 and nothing changed either way. Also reflased the board with the newest firmware baseflight could find, released on10/22, still no change

crg5990
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Joined: Wed Nov 12, 2014 6:26 am

Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

http://youtu.be/xvbzkdzzRnM Here's a video of what's happening

EDIT: Got the motors to respond from idle to full speed with corresponding stick position by changing by throttle curve on the tx, but this is only a bandaid as now 100% throttle stick is only 1298 under the receiver tab in baseflight.

Throttle curve points are:
1: 0%
2: 9%
3: 11%
4: 15%
5: 18%
6: 25%
7:----

crg5990
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Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

Tried something new today to try and figure this out. Connected each esc to my rx with it disconnected from the naze. Calibrated with my tx (with throttle curve back to normal) and after calibration tones fired the motor. Still the same problem. Tried it with all 4 individually and then all 4 together and nothing changed. Going to try binding my friends dx6i and see if that helps but I'm not holding my breath. If that doesn't work I'm guessing I'll have to get another set of esc's.

waltr
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Re: Major quadcopter issue, cannot diagnose

Post by waltr »

After cal'ing the ESC from the RX throttle channel did they run properly from the RX?
If not then they will not run properly from the FC.

crg5990
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Joined: Wed Nov 12, 2014 6:26 am

Re: Major quadcopter issue, cannot diagnose

Post by crg5990 »

waltr wrote:After cal'ing the ESC from the RX throttle channel did they run properly from the RX?
If not then they will not run properly from the FC.

They did not. Each one all ran the same, just still hitting max rpm before half stick

waltr
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Re: Major quadcopter issue, cannot diagnose

Post by waltr »

crg5990 wrote:
waltr wrote:After cal'ing the ESC from the RX throttle channel did they run properly from the RX?
If not then they will not run properly from the FC.

They did not. Each one all ran the same, just still hitting max rpm before half stick

Then the issue in NOT in the MW FC but in the TX setup and/or the ESC firmware.
Options:
1- connect the RX to the FC and open the MWconfig.exe gui to examine the throttle values. They should go from 1000 to 2000 and not Lower or Higher.
A little inside this range is safer and works fine. So get the throttle End Points adjusted in the TX so you see 1010 to 1990 and try just the RX to ESCs, without the FC.
2- are to try a different ESC and/or FLASH the ESCs you have with good code.

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