RCCrawler Forums

scouperacer · 03-14-2010, 03:52 PM

On my mostly stock AX-10 RTR I'm running a Skyion G82122 and I constanlty have to ajust the servo horn. It seems that the center changes. I hope that makes sense. I'm running stock electronincs except the servo, and it will have to stay that way for a while till the budget allows.

Thanks in advance.

scouperacer · 03-14-2010, 03:53 PM

Also every once in a while the motor surges under light throttle while crawling.

JeremyH · 03-14-2010, 04:39 PM

In regard to your servo question....are you sure that you're not accidentally adjusting the steering sub-trim? I havent used the stock axial RTR radio, but I imagine that it is a knob on the outside of the radio that can easily be hit and the center position changed...

scouperacer · 03-14-2010, 05:07 PM

No, thats not it, I even tried another radio (FM) it does the same thing. I also thought that maybe the horn splines were stripped but thats not the case either.

Terranaut · 03-15-2010, 08:31 AM

If you are running the original servo arm that came with the kit, it might be worth looking closer. You mention that you are running a different servo than stock, you should know that servos don't all have the same spline count. Is it possible that the Skyion has different spline tooth count than the stock servo? Sometimes the wrong servo horn will fit but it will be a bad fit and can slip a little! Also, the stock servo horn is made of very soft plastic, I have seen them spin on the servo output shaft without actually damaging the splines.

You have removed the servo saver I hope?

I would suggest install a new, good quality servo horn with the correct spline count, and then see if your problem is fixed.

Cheers.

scouperacer · 03-16-2010, 08:54 PM

I just replaced the junk Skyion servo, that was it. Must have been a problem with the POT.

scouperacer · 03-20-2010, 11:41 AM

Now I replaced my Skyion servo with a Tower pro. It was working great alot stronger than I expected. I turned it off yesterday and everything was fine, and when I turned it on today there was no steering.

So, I put the Skyion back on and it worked so it must be the new servo. Is there any way I can troubleshoot this tower pro servo?

03-14-2010, 03:52 PM	#1
scouperacer Newbie Join Date: Feb 2010 Location: Chicago Posts: 33	Servo trouble On my mostly stock AX-10 RTR I'm running a Skyion G82122 and I constanlty have to ajust the servo horn. It seems that the center changes. I hope that makes sense. I'm running stock electronincs except the servo, and it will have to stay that way for a while till the budget allows. Thanks in advance.

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03-14-2010, 03:53 PM	#2
scouperacer Newbie Join Date: Feb 2010 Location: Chicago Posts: 33	Also every once in a while the motor surges under light throttle while crawling.

03-14-2010, 04:39 PM	#3
JeremyH I wanna be Dave Join Date: Sep 2005 Location: Houston, TX Posts: 16,952	In regard to your servo question....are you sure that you're not accidentally adjusting the steering sub-trim? I havent used the stock axial RTR radio, but I imagine that it is a knob on the outside of the radio that can easily be hit and the center position changed...

03-14-2010, 05:07 PM	#4
scouperacer Newbie Join Date: Feb 2010 Location: Chicago Posts: 33	No, thats not it, I even tried another radio (FM) it does the same thing. I also thought that maybe the horn splines were stripped but thats not the case either.

03-15-2010, 08:31 AM	#5
Terranaut Quarry Creeper Join Date: Sep 2008 Location: Kuala Lumpur, Malaysia Posts: 372	If you are running the original servo arm that came with the kit, it might be worth looking closer. You mention that you are running a different servo than stock, you should know that servos don't all have the same spline count. Is it possible that the Skyion has different spline tooth count than the stock servo? Sometimes the wrong servo horn will fit but it will be a bad fit and can slip a little! Also, the stock servo horn is made of very soft plastic, I have seen them spin on the servo output shaft without actually damaging the splines. You have removed the servo saver I hope? I would suggest install a new, good quality servo horn with the correct spline count, and then see if your problem is fixed. Cheers.

03-16-2010, 08:54 PM	#6
scouperacer Newbie Join Date: Feb 2010 Location: Chicago Posts: 33	I just replaced the junk Skyion servo, that was it. Must have been a problem with the POT.

03-20-2010, 11:41 AM	#7
scouperacer Newbie Join Date: Feb 2010 Location: Chicago Posts: 33	Now I replaced my Skyion servo with a Tower pro. It was working great alot stronger than I expected. I turned it off yesterday and everything was fine, and when I turned it on today there was no steering. So, I put the Skyion back on and it worked so it must be the new servo. Is there any way I can troubleshoot this tower pro servo?

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