DJI Naza FC - First Page Has Links and Tips - Page 1190 - RC Groups
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Jan 29, 2013, 07:40 AM
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mauromassari's Avatar
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Jan 29, 2013, 07:47 AM
Custom quad builder
tech69x's Avatar
Quote:
Originally Posted by mauromassari
...
Who was flying it
Jan 29, 2013, 09:08 AM
Registered User
v00d0o's Avatar
Quote:
Originally Posted by jetstuff
Have you recharged your batteries ? after all the messing around, they could be low.....having a 'rest' gives them time to recover a bit.
I have a 3 cell and its still around 11V.
Its still charged up, I think.

Quote:
Originally Posted by mark_q
Couple more cents?
The video looks like a synch problem which would indicate an incompatibility between the ESC's and the motors or a bad connection. I've had the synch issue using Rimfire motors and Plush 60 ESC's and I actually cooked one of the Plush 60's on my bench tester when this occurred. The motor would occasionally start and run OK but then the jitters would start and finally...smoke. I bought a Scorpion ESC for , the Rimfire and no problems, ran like a champ.

So to add to what TJ said, I too have never had an HK motor fail (SK2 in my case) but I have had a Plush ESC fail.

On the HK returns, I have had no issues. I have returned several items including a Blue Series ESC that was DOA and a Compact Lipo that would not balance. I emailed them, got an RMA and was able to return these two to the USA warehouse even though they were purchased from China. Total turn around was about five days.

BTW - a very experienced friend bought 6 Turnigy Type TY-P1 and 4 of them smoked within 30 seconds of start up. Don't buy them!

Good luck!
Quote:
Originally Posted by T J Gilbert
It sounds like you have a bad connection of some kind.
MCrites ruled out a bad power distribution board when you told him one motor was working.
I don't know exactly what you meant by a "power spider".
If it's what I suspect, you butt-soldered several wires together to form a "spokes on a wheel" type thing.
I'm not questioning your soldering skills, but since you were going to do this anyway...
Desolder your ESCs from the "power spider" and set then up to test and run the motors and ESCs separately.
See what you get...


Another point of advice from someone old enough to be your grandfather....
You've been at this all day.
Your nerves (even though they are young) are probably frazzled.
Give this thing a rest.
It will be waiting on you tomorrow, and things might look much different in the light of a new day...
Thank you for that advice! My parents told me to stop too... give it a break and come at it again. One tip I've seen on this forum is "know when to walk away!"

I've just tested taking out a working motor without one of the bullet connectors attached, and I had the same issue. I'm positive now that somewhere between my ESCs and my Motors, there are quite a few bad connections. I plan on just getting rid of all these bullet connectors and splicing the wires directly to the ESCs
Jan 29, 2013, 09:18 AM
I never finish anyth
Nice work v00d0o! Regardless of the outcome, think of everything you have learned in the process!
Jan 29, 2013, 09:30 AM
Registered User
v00d0o's Avatar
Quote:
Originally Posted by MCrites
Nice work v00d0o! Regardless of the outcome, think of everything you have learned in the process!
Thank you!

You guys have been great help! I wish I could return the favor.

I'll be sure to help noobs when I become more familiar with the RC world
Jan 29, 2013, 09:35 AM
I never finish anyth
Video your flights... we like crash videos
Jan 29, 2013, 09:41 AM
Registered User
v00d0o's Avatar
Quote:
Originally Posted by MCrites
Video your flights... we like crash videos


Will do!
Jan 29, 2013, 10:46 AM
Registered User
SeniorSpan's Avatar
G;day all,

very interesting last page of posts, especially T.J.'s comments on motors.

Having read completely through this thread twice I'm under the impression the DJI NAZA is somewhat selective on what aftermarket ESC's are used, but almost does not care what aftermarket motors are used, is that a correct assumption, or did I miss it completely?

Thanks
Jan 29, 2013, 10:46 AM
Registered User
Quote:
Originally Posted by v00d0o


Will do!
One issue I ran into with my first quad build: The wire going into the bullet connector from the motor sometimes breaks off!
You wont know it because of the shrink wrap.
You can test this with a multi testor and wiggle the wire or just feel it around the base of the bullet connector. The same can happen with a cold solder joint you made.
Those are the cheapest and fasted ways to test.

I had 3 of them (all on different motors) happen during the build processes and it was easy to fix. Just remember to re-shrink tube it.
Jan 29, 2013, 10:50 AM
Suspended Account
Just buy the DJI stuff the first time and have fun flying instead of fixin!
Jan 29, 2013, 10:55 AM
I never finish anyth
Quote:
Originally Posted by SeniorSpan
Having read completely through this thread twice I'm under the impression the DJI NAZA is somewhat selective on what aftermarket ESC's are used, but almost does not care what aftermarket motors are used, is that a correct assumption, or did I miss it completely?
Naza talks to the ESCs, the ESCs talks to the motors. The Naza doesn't really know what is spinning the propeller... it just tells the ESC to make it spin faster or slower to keep level.

Naza needs fast ESCs but doesnt care about the motors.
Jan 29, 2013, 11:38 AM
Registered User
v00d0o's Avatar
Quote:
Originally Posted by goldsworthy
Just buy the DJI stuff the first time and have fun flying instead of fixin!
Fixing is where you learn though.

If everything came too easy, it wouldn't be fun
Jan 29, 2013, 12:05 PM
Empire Support
T J Gilbert's Avatar

I Still Like Your Attitude!


Quote:
Originally Posted by v00d0o
Fixing is where you learn though.

If everything came too easy, it wouldn't be fun
If you don't lose your mindset, you are going to be very successful with this hobby.
(And, probably, life...)
Jan 29, 2013, 05:51 PM
Registered User
BerndM's Avatar
Quote:
Originally Posted by Old guy1
Bernd
How do you like the Gemfan 10x4 woodies? I just got some for my F450, but the weather is so bad, I have only been able to hover in the house (only while the wife is gone, flying something that big in the house would freak her out)
Gary
Hey Gary
I really like them a lot. They draw about 4 more amps than my 10x5 Graupners but they do provide some noticeable extra thrust. They are stiff like the groupners so nice steady video with my GoPros.

Regards
Bernd

Witespy-DJI NAZA F450 Flamewheel
2212/920kv DJI motors and Opto 30A ESC's
10x4 Gemfan Woodies Props / GoPro Hero HD2
Fat Shark Predator V2 FPV
AUW 3S-4000mah = 1585g
Spektrum TX DX-7 (original) / Spektrum RX AR6200
Jan 29, 2013, 05:53 PM
Suspended Account
This RC hobby seems to stress most wifes out! I cant understand it?.


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