car does donutes HELP!
I got a duratrax evader. Put the mamba max pro esc and a castle 6900KV motor. I get going runs perfect once i start to reach around half throttle the car just starts doing donutes. I took apart the gear box cleaned it all, lubbed it up. I did realize something that shocked me, If i sit it up, hold 1 tire and run it full throttle 1 tire balloons pretty good. If i hold the other tire and run full throttle the other tire balloons pretty good if i hold no tires neither of them balloon really any. any information about this be very helpful!
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Originally Posted by ridinloudprod
(Post 10078641)
I got a duratrax evader. Put the mamba max pro esc and a castle 6900KV motor. I get going runs perfect once i start to reach around half throttle the car just starts doing donutes. I took apart the gear box cleaned it all, lubbed it up. I did realize something that shocked me, If i sit it up, hold 1 tire and run it full throttle 1 tire balloons pretty good. If i hold the other tire and run full throttle the other tire balloons pretty good if i hold no tires neither of them balloon really any. any information about this be very helpful!
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You might want to check the differential, or the bearings. More info here.
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what should I check with the differential. that was my first thought. everything seemed fine to my untrained eyes.
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Get some coffee to help balance it out :D. But in all seriousness, also check your rear drive shafts. Make sure you're not missing one or both are balanced. Goodluck.
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Thank you. I know im not missing 1 as for them being balanced im not for sure
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Fill the diff with thick grease, that should help.
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its not your normal diff. its pretty much 2 of ya standard slipper clutches with a single gear n the middle
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Then tighten it up if you can. If it's a ball diff you should be able to.
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It is pretty tight now. Ill go even tighter and try that.
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Sounds like the diff is loose on it. Try just tightening it little by little and see how it reacts
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when I first put it back together, i tried to go and the car just sat there, so I tighted it up alot and I can drive it up against my foot go full throttle and spin the tires leaving a nice black mark on the driveway. both tires spinning so I am pretty sure its tight enough. ill mess with the tightness of it though and see if i can get anything to change.
if i just go full throttle i can have the front tires straight and the car just does circles all i got to do is old the gas. so it has to be something in the rear end. |
Learn how to build and adjust your diff properly. This thread will help http://www.rctech.net/forum/electric...er-clutch.html
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thanks for the video, now I sorta have a good idea of how its suppose to be.
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Take it to your local track they will help you.
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