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Old Apr 24, 2012, 09:06 AM
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Joined Apr 2012
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Help!
Nine Eagles Bravo SX

I need your help!
I am a newbie with RC Heli, my Bravo SX would not go up even if I am at full throttle.
I thought it was my battery, since it is puffed. I ordered turnigy, but after trying one batt, still it would only fly /go up approximately 3 feet and unstable. Then would go down eventually in less than 1-2minutes.

Any help is highly appreciated to troubleshoot my problem.

THANKS A LOT!!
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Old Apr 24, 2012, 04:08 PM
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Joined Jul 2010
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Quote:
Originally Posted by irvinrhey View Post
I need your help!
I am a newbie with RC Heli, my Bravo SX would not go up even if I am at full throttle.
I thought it was my battery, since it is puffed. I ordered turnigy, but after trying one batt, still it would only fly /go up approximately 3 feet and unstable. Then would go down eventually in less than 1-2minutes.

Any help is highly appreciated to troubleshoot my problem.

THANKS A LOT!!
Either something is binding somewhere, which can be checked if you manually rotate the blades, and carefully feel if you meet any sudden added resistance. Or your SX has a bad main motor, tends to happen once in a while. Often this shows as short flight times.
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Old Apr 24, 2012, 11:56 PM
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I did dis-assemble the parts, cleaned the main shaft. Even clean the bearing set and swash plate with alcohol (I just don't know if this is ok..=D). Though I could feel some still some resistance, when rotating the main blade, the SX now flies, even at half throttle..!=).
Another problem however, there's (heavy) shuddering when I go left.. But at least I am back on flying this heli..=) Thanks for your help!
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Old Apr 25, 2012, 02:01 AM
Did you check the FAQ already?
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Glad you got the heli back in the air. Perhaps something was poorly lubricated, or some dust had settled in a wrong spot. As for the shudder, it's also a common thing on the SX. Some solutions are discussed in this sticky: http://www.rcgroups.com/forums/showthread.php?t=1337008
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Old Apr 28, 2012, 02:13 AM
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Quote:
Originally Posted by SoloProFan View Post
Glad you got the heli back in the air. Perhaps something was poorly lubricated, or some dust had settled in a wrong spot. As for the shudder, it's also a common thing on the SX. Some solutions are discussed in this sticky: http://www.rcgroups.com/forums/showthread.php?t=1337008
Thanks!
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Old Apr 28, 2012, 09:03 AM
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Check on this forum under the main heli section and there is an extensive thread on this heli. I have one of these too and it'll do the shudder thing. The thread says this is normal for this heli.

Mike
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