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Mats 101 guide to a sucesful first flight


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#61 AlPackin

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Posted 11 January 2012 - 12:39 AM

 midiman007, on 11 January 2012 - 12:21 AM, said:

Is this exclamation mark supposed to be here?

yeah, that's normal

#62 midiman007

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Posted 11 January 2012 - 12:49 AM

Would there be some simple thing I missed that would cause the quad to want to tip over before liftoff. I replaced one of the motors to see if that's what it was. I did the level cal and the joystick cal. I did the all at once throttle cal on the esc's, and also did the rolling arm, and each motor spun up, and the arm does work. It's probably the motors. I have several more so I guess I'll bit the bullet and set up my thrustmeter and laser balancer and spend some time sorting that out. Try to match the motors up, or something like that.

#63 midiman007

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Posted 11 January 2012 - 12:56 AM

COG ... something so simple that I overlooked it. I FLEW!!! ... Just for a few seconds.

#64 nukkenfutz

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Posted 11 January 2012 - 02:40 AM

 AlPackin, on 10 January 2012 - 11:51 PM, said:

well I'm guessing that the BEC that you have connected to CC is defective or it's a bad solder connection

Bingo! When I traced the wiring a power bullet connector from THAT bec had come apart and didn't notice before because on the KK board all 3 BECs were connected. It was well hidden as it was inside the aluminium tube in between 2 of the delrin levels.

Now that it powers ok hopefully I'll finish the config. and take her for a spin.
Many thanks for all the assistance.

#65 Waikawa

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Posted 22 January 2012 - 04:35 AM

I'm flying a tri using Turnigy Basic ESC, DT750 motors from HK.  It flies ok but every now and then there is a momentary power loss which causes the tri to drop out of the sky.  Not to bad hovering at 6 inches but not recommended higher up.  I was using a 35Mhz Receiver and thought it was some kind of interference, so I changed to a 2.4Ghz Rx and put ceramic rings on the ESC cables but that hasn't cured it.

Anybody seen power glitches?

#66 AlPackin

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Posted 22 January 2012 - 12:25 PM

usually caused by a bad solder connection or loose fitting bullet connector

#67 Waikawa

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Posted 25 January 2012 - 07:56 PM

I have tried restting the rate for the ESC's to 350 Mhz and that has cured the problem completely. Llooks like the Turnigy basic esc cannot handle 400 mhz.

#68 AlPackin

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Posted 25 January 2012 - 09:54 PM

good, I glad that you worked out your problem

#69 dompower

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Posted 01 February 2012 - 06:36 AM

I am suggesting a simple tip here..
Just add with permenant marker pen..number of dots or x to the ESC signal cable to indicate the motor  number while connecting to the appropriate channels.
This will be very handy ..in later stages...to track the motor  easily.
(however if you swap ESC then don't forget to change these dots accordingly!)


dompower
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#70 dacat

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Posted 01 February 2012 - 07:20 AM

 dompower, on 01 February 2012 - 06:36 AM, said:

I am suggesting a simple tip here..
Just add with permenant marker pen..number of dots or x to the ESC signal cable to indicate the motor  number while connecting to the appropriate channels.
This will be very handy ..in later stages...to track the motor  easily.
(however if you swap ESC then don't forget to change these dots accordingly!)


dompower
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same way i do it ... only i get the power from esc one..

xxx


#71 DanZ

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Posted 09 February 2012 - 07:50 PM

 dacat, on 01 February 2012 - 07:20 AM, said:

same way i do it ... only i get the power from esc one..

I also have my power on esc one however I still have all my grounds connected? Should I remove those too, I'm sure I read somewhere they all need to be common though?

#72 juz

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Posted 09 February 2012 - 10:44 PM

 DanZ, on 09 February 2012 - 07:50 PM, said:

I also have my power on esc one however I still have all my grounds connected? Should I remove those too, I'm sure I read somewhere they all need to be common though?

From the wiki

Posted Image In case CopterControl is powered through the servo connectors, then only connect the power from one ESC and remove the positive and negative wire from the other ESC's. Connecting multiple voltage regulators (built in to the ESC's) in parallel could cause problems. Connecting multiple black ground wires could cause ground loops which we want to avoid.

#73 fredz69

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Posted 10 February 2012 - 10:33 AM

 juz, on 09 February 2012 - 10:44 PM, said:

From the wiki

Posted Image In case CopterControl is powered through the servo connectors, then only connect the power from one ESC and remove the positive and negative wire from the other ESC's. Connecting multiple voltage regulators (built in to the ESC's) in parallel could cause problems. Connecting multiple black ground wires could cause ground loops which we want to avoid.

Hmmm interesting and also confusing. <_<

I set my quad up with only one red (positive) wire attached but all the blacks (negative) as per two videos Dankers has done and posted on the Wiki

Although I believe you Juz and what you have posted, can someone please confirm for all out there if you need to remove all but one black wire as per the Wiki or how Dave shows in his videos is ok

Thanks

#74 juz

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Posted 10 February 2012 - 11:33 AM

hey, don't believe me, I was just quoting the wiki. Its a valid question for sure. I have been lazy with my last  build and all three wires on my four escs are connected to my coptercontrol. LOL. Previous builds I have had just one power and one neg from #1 esc connected.

#75 DanZ

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Posted 10 February 2012 - 11:43 AM

 fredz69, on 10 February 2012 - 10:33 AM, said:

Hmmm interesting and also confusing. <_<

I set my quad up with only one red (positive) wire attached but all the blacks (negative) as per two videos Dankers has done and posted on the Wiki

Although I believe you Juz and what you have posted, can someone please confirm for all out there if you need to remove all but one black wire as per the Wiki or how Dave shows in his videos is ok

Thanks

I'm also confused, I got involved with CC from watching Warthox videos and I remember seeing this pic of his setup and I set mine up the same way, with the grounds still connected.

Posted Image

I know having them in parallel via the CC can cause ground loops apparently. None of this makes sense to me and probably never will, I can follow pictures lol.

#76 Andre

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Posted 26 February 2012 - 05:56 PM

all my wires is connected.

#77 chatch15117

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Posted 10 May 2012 - 03:52 PM

all your wires are belong to us

#78 juz

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Posted 11 May 2012 - 12:56 AM

View PostAndre, on 26 February 2012 - 05:56 PM, said:

all my wires is connected.

+1. every coptercontrol build of mine (except the first) have all 3 wires from all 4 escs connected, no problems.

#79 AlPackin

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Posted 11 May 2012 - 01:09 AM

View Postjuz, on 11 May 2012 - 12:56 AM, said:

+1. every coptercontrol build of mine (except the first) have all 3 wires from all 4 escs connected, no problems.

me too, all of them, no problem