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T-REX 450 › ESC problem with new 450?
04-03-2009 07:38 PM  9 years agoPost 1
mjm0505

rrNovice

San Antonio,TX

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I have the 450 pro kit with the stock esc, 35x. The initialization beeps from the motor will usually not occur when I plug the lipo in, but the receiver will linkup to my Tx and I have full control of my cyclic/rudder. If I give it full throttle the motor will twitch for about 4 seconds and then quit. I can wiggle the 3 leads going from the esc to the motor and it will fix the problem. It’s the strangest thing. I noticed that when I wiggle the leads coming from the esc (closest to the esc) it cures the problem. I believe it’s an esc issue, but I could be wrong. What do you guys think?

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04-03-2009 08:09 PM  9 years agoPost 2
Saint728

rrProfessor

Honolulu, Hawaii

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Maybe you have the throttle reversed? Change it over on your transmitter settings and see if it works. If it still doesn't work, switch it out to another ESC that you know works to make sure its the ESC and not something else.

Take Care,
Cheers, Patrick

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04-03-2009 11:21 PM  9 years agoPost 3
mjm0505

rrNovice

San Antonio,TX

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Thanks for the reply. I will have a replacement 35x here tomorrow so I will try that. I know its not the throttle because I had it hovering a few feet off the ground after I originally fixed the problem, but it came back. The good thing is that I still have control over the cyclic so I can auto down if happens during flight. After I hovered this morning, I brought it down (really smooth landing). When I tried to spool it back up, the same problem occurred. I will swap out the ESC tomorrow and see if that is in fact the culprit.

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