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Apr 24, 2012, 09:06 AM
Registered User
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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Apr 24, 2012, 04:08 PM
Fan of just about anything RC
SoloProFan's Avatar
Quote:
Originally Posted by irvinrhey
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.
Apr 24, 2012, 11:56 PM
Registered User
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!
Apr 25, 2012, 02:01 AM
Fan of just about anything RC
SoloProFan's Avatar
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: https://www.rcgroups.com/forums/show....php?t=1337008
Apr 28, 2012, 02:13 AM
Registered User
Quote:
Originally Posted by SoloProFan
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: https://www.rcgroups.com/forums/show....php?t=1337008
Thanks!
Apr 28, 2012, 09:03 AM
Registered User
ferret dad's Avatar
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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