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04-07-2012, 09:05 PM | #1 |
Newbie Join Date: Mar 2011 Location: Red Rock
Posts: 21
| XR10 Front motor spins before rear
Hello everyone. I just finished building my XR10 and took it out on the rocks 2 different times with the same problem. If i pull on the trigger just so that the tires start to spin, the front always spins before the rear. Once I give it just a little more throttle the rear starts to spin. I have same pinion on both motors and I am using the 4PL radio. I cant figure this one out... Things I have tried: - Reset and programmed both fxr's to the same settings. One of the fxr's is older then the other(Maybe 1-3 years older) would this have any effect? (I am not using HOTWIRE) - Tried to get both pinions meshed the same on the gears so one is not tighter/looser then the other. - One last thing that could cause a problem maybe? I have two 45T Tekin motors, however the front motor is the older style and the rear is the new "Heavy Duty" edition, BUT yes both are 45T. Any help or suggestions would be most appreciated! Thanks |
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04-07-2012, 09:15 PM | #2 |
I wanna be Dave Join Date: Apr 2007 Location: Arlington, Washington
Posts: 2,303
| Re: XR10 Front motor spins before rear
Those are MUCH different motors.....the HD units use Fb9 magnets. I am not sure on the armature style they use, but the new machine wounds are a much better motor than the old ones. It's not surprising the front is out pulling the rear.... Later EddieO |
04-07-2012, 09:21 PM | #3 | |
Newbie Join Date: Mar 2011 Location: Red Rock
Posts: 21
| Re: XR10 Front motor spins before rear Quote:
I'll switch out the front motor and see how that goes. | |
04-08-2012, 06:26 AM | #4 |
Pebble Pounder Join Date: Apr 2012 Location: SWE
Posts: 113
| Re: XR10 Front motor spins before rear
with ur Futaba 4PL u can program overdrive and underdrive. so if ur front moves a bit faster try underdrive. until you buy a hd 45 for both axels |
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