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Old Jan 23, 2013, 07:59 PM
PeterVRC is offline
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I am not a spider specialist... but, Funnel Web or Tarantula (no trap door opening, that I can see, so I guess a Tarantula!)??
Could be a bird eating spider I guess...... or the VERY rare, model plane eating spider.....
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Old Jan 23, 2013, 08:02 PM
goldsworthy is offline
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Funnel Web
Old Jan 23, 2013, 08:03 PM
PeterVRC is offline
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Hmm... coming out of the ground should probably have been the big clue! LOL
Old Jan 23, 2013, 08:11 PM
v8truckin is online now
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Should've, Would've, Could've
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Originally Posted by goldsworthy View Post
Sorry please excuse my ignorance! I guess I was just trying to contribute. I will keep my mouth shut! I will learn more that way. LOL
No ignorance at all. Don't take it to heart bro, your contributions are welcome. If you never said anything you would've thought otherwise.
Old Jan 23, 2013, 10:20 PM
av8ersteve is offline
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I did it...
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I try to just listen.
Old Jan 23, 2013, 10:30 PM
mw46mw46 is offline
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Hi, I am Michael from Taipei
Hi guys,

I recently maiden my Su-35, but failed. I found the thrust of left EDF is higher than the right at full throttle. All components are new except both of the ESC, which are used in different planes before. Could you pls suggest me how to adjust or synchronize them. BTW, I use JR DSX9II transmitter. Many thanks!


2012-0105 Su-35 Maiden Failed (0 min 47 sec)
Old Jan 23, 2013, 10:59 PM
jcdfrd is offline
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3DHOG
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see if your esc's support a throttle calibration function and if so perform the function, otherwise you could put the esc's on seperate channels and adjust them seperatly......assuming you dont have a problem with either of the edf units
Old Jan 23, 2013, 11:00 PM
PeterVRC is offline
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For one idea, at least Calibrate the ESC's.
1) Set TX Throttle to max
2) Power the plane - ESCs will NOT start the motors, they will go into programming mode.
3) Wait just a little bit (10secs) and then move to zero throttle. The ESC's will leave programming mode.

They will have learnt the throttle ranges, from max possible to min possible, during that.

Most ESCs are in that "auto throttle range" mode as they come. But they can also be in a manual mode where they don't "learn" like that, but just use a set value range - which usually would work ok too, but could be amiss from one ESC to the other.
I don't know if we, or anyone, knows the programming method on Freewings (but I think you said they were other types anyway - so you might have a manual for those)
Old Jan 24, 2013, 12:46 AM
mw46mw46 is offline
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Hi, I am Michael from Taipei
Quote:
Originally Posted by PeterVRC View Post
For one idea, at least Calibrate the ESC's.
1) Set TX Throttle to max
2) Power the plane - ESCs will NOT start the motors, they will go into programming mode.
3) Wait just a little bit (10secs) and then move to zero throttle. The ESC's will leave programming mode.

They will have learnt the throttle ranges, from max possible to min possible, during that.

Most ESCs are in that "auto throttle range" mode as they come. But they can also be in a manual mode where they don't "learn" like that, but just use a set value range - which usually would work ok too, but could be amiss from one ESC to the other.
I don't know if we, or anyone, knows the programming method on Freewings (but I think you said they were other types anyway - so you might have a manual for those)
JCD & Peter, thanks a lot.
Old Jan 24, 2013, 01:22 AM
IntheTubeDeep is online now
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ITTD you're Clear for Takeoff!
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Quote:
Originally Posted by mw46mw46 View Post
Hi guys,

I recently maiden my Su-35, but failed. I found the thrust of left EDF is higher than the right at full throttle. All components are new except both of the ESC, which are used in different planes before. Could you pls suggest me how to adjust or synchronize them. BTW, I use JR DSX9II transmitter. Many thanks!


http://youtu.be/0N2IJ5SO9bI
Ouchhhh, that sounded to me like a bad ESC, or terribly unbalanced fan blade, my grey camo Su35 had horribly unbalanced blades and spinners, go back in this thread and see my vid ;-)
Old Jan 24, 2013, 01:24 AM
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ITTD you're Clear for Takeoff!
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Quote:
Originally Posted by mw46mw46 View Post
Hi guys,

I recently maiden my Su-35, but failed. I found the thrust of left EDF is higher than the right at full throttle. All components are new except both of the ESC, which are used in different planes before. Could you pls suggest me how to adjust or synchronize them. BTW, I use JR DSX9II transmitter. Many thanks!


http://youtu.be/0N2IJ5SO9bI
Forgot to mention from the your first throttle up it sounded distressed, definitely was a MAJOR problem
Old Jan 24, 2013, 04:03 AM
PeterVRC is offline
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Yeah !! I couldn't watch the video earlier.
There was something badly wrong on that first spin up!
Possibly blade contact... but more sounded like an ESC/motor problem. Seemed to be just on one.
Maybe even something loose in one fan/motor.

So you would need to run them one at a time, and SLOW first... build up if things sound ok.... to work out what it really is.
Ideally, taken out and done on the bench test unit. Plus CHECK IT FIRST for clear rotation, feeling right, things tight etc.
That short burst in the video wasn't enough to isolate it.
Old Jan 24, 2013, 08:34 AM
SU-4ever is offline
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Flying Hazard
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Precisely the reason my Su is grounded.
Old Jan 24, 2013, 08:41 AM
goldsworthy is offline
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Watching that video depressed me! Such a great loss!. I also learned from it to take my time months if necessary to make sure everything is as close to 100% as humanly possible. I will check each and every componet and then check them again before taxi down the runway. Where do you get those motor bench test units?
Old Jan 24, 2013, 08:42 AM
Maxthrottle is offline
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You are a "go" for reentry
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Which one? ESC, Fan or Motor? I forgot what your current setup was.


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