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Old 2010.03.20, 06:37 PM   #1
kwsmith29
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MR-03 Servo Gears

I need help.

I have a new 03 LM. The servo gear was broke when I took it out of the package. I have installed two more since. They break right away. I use a Futaba 3PK. I have the stearing end points turned down to 42 as KO suggests. Has anyone else had this problem? Does anyone know of a fix for this problem?

Thanks,
Wade
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Old 2010.03.20, 06:47 PM   #2
chad508
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wade when i used the 3pk i had my steering down to 35. i believe the ko setting are only fo the ko radios. hope this helps
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Old 2010.03.20, 08:45 PM   #3
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I'll give it a try. 45 is the setting for the 3PK according to the manuel for the 2.4 module. I dunno, I'll try anything at this point....


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Old 2010.03.20, 10:22 PM   #4
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i never saw a setting specifically for the 3pk. i dunno. what i normally do is flip the car over and listen to the servo motor as i adjust the end point. i found on both the 02 and 03 it was around 32-35. but even if it was to high the servo saver should keep you from breaking gears.
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Old 2010.03.20, 10:56 PM   #5
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Quote:
Originally Posted by chad508 View Post
...but even if it was to high the servo saver should keep you from breaking gears.
The servo-saver works the other way right? To protect the gears from shocks to the steering linkage??? But would it also protect the gears in case the servo itself is misbehaving (over-travel)?
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Old 2010.03.21, 08:15 AM   #6
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The servo saver will not protect the gears from over travel from the servo motor. The last gear with the arm that connects to the saver has positive end stops. The small extended nose gear that drives this last gear has little material at the gear root. This is the gear that I have seen broken in the two cases I have seen and I would suspect all the failures happen at this gear. It is very important to set the radio end stops correctly on the 03. I wouldn't just trust any recommended settings, set the end points to your chassis.
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Old 2010.03.21, 11:25 AM   #7
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Thanks Pedro...
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Old 2010.03.21, 07:54 PM   #8
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Wade, where did you buy your 03? If the servo gears were broken out of the box, Kyosho should replace them. If you bought it from shop.tinyrc.com, open a Support Ticket and we'll make sure you get taken care of!
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Old 2010.03.21, 08:31 PM   #9
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Wade, perhaps you should post some pictures with an arrow or something pointing to what is breaking so we can make sure that your setup looks right, maybe something if a bit off kilter or installed upside-down.
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Old 2010.03.28, 08:26 AM   #10
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Ok, I took some advise and reset my Radio(Futaba 3PK). I turned the dual rate to 100% and backed the end points off to zero. I then turned the car to full lock right and raised the end point to full lock, then back it up two clicks so I wasn't full lock. Did the same for the left side. Went to the track set the car down backed my dual rate down to about 86% and still broke the front gear in the servo assembly. To top it off I have purschased another new 03 and had the same thing happen. This gear breaks with in three laps. I know you might be thinking this guys must really bounce off the walls, but this is not the case. I consider myself a seasoned racer and this is not the case.

Does anyone have any other suggestions?

There are three racers here at HSH that are having this same problem. All three of us are using the Futaba 3PK. Could this be a radio problem? Maybe a setting we are missing.

Has anyone else had this problem.

Thanks,
Wade

Last edited by kwsmith29; 2010.03.28 at 08:27 AM. Reason: added signature
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Old 2010.03.28, 09:46 AM   #11
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its for sure odd. i ran my 3pk on my 03's with no problem. and i can not think of anything else in the radio settings that would cause this to happen. are you getting the steering glitch were it will twitch to one side at full speed. mine would do this from time to time with a 70 turn only, it may be twitching the same you turning and stripping the gears, other than that, thats all i got. good luck
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Old 2010.03.28, 10:40 AM   #12
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http://www.kopropo.com/america/index...109&Itemid=153

it is true that this is related to KO's transmitters, but have a moment checking this settings out cuz mini-z's boards are KO's design aswell.
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Old 2010.03.28, 12:26 PM   #13
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I guy at my local track has been experiencing the same thing with his 03 he has went through a ton of servo gears and he is using the stock kt-18 remote. I believe he picked up a 03 LM set as well maybee this is specific to the LM chassis sets?
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Old 2010.03.28, 12:46 PM   #14
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Not just LM, My new stock car has the same problem.
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Old 2010.03.28, 05:21 PM   #15
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I think it is a radio issue. The racer that was having the same problem at the local track LogicBytes was talking about, borrowed an EX1-UR last race and didnt have any problems all night last night. Before he would be able to get maybe 5 laps before he had to switch out the gears.

Are you using any steering functions at all? Maybe there is something you could do with the ICS adapter with the Futaba radio to make it work correctly...

There were no issues with the ASF MR02... just the MR03.
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