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180CFX Blade 180CFX Helicopters Information and Help


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Old 08-17-2019, 08:24 PM   #1 (permalink)
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Join Date: Nov 2012
Default One Cyclic Servo Reversed

Just came back to heli after a few years and revived my 180 CFX. Really glad to see there's still an active 180 CFX discussion and hopefully mine could still go strong for a few years.

I've done a few flights (mostly just hovering around) and no issue. However today after the DX6 timer's up, I landed it, kept the battery connected and used the balance connector to check the battery voltage. It showed about 3.8 for all cells and so I decided to hover it for another minute. However, once it's up again the aileron control was not right and it crashed pretty hard where the main rotor touched the ground first.

While I'm working on the repair, I soon realized one of the 3 cyclic servos is now reversed. e.g., while I move the aileron to the right, both front servos move up. Also if I try to increase the pitch, the 2 good servos move up as expected but the reversed one moves down.Also because the 1 servo is moving reverse when I tilt the heli, now the swashplate doesn't tilt accordingly to compensate the tilt.

I bought the heli used and it still has the Spektrum H2060 nanolite servos on. It's been working well until today. I'm really scratching my head but can't think of how one servo can be reversed after I simply checked the battery voltage. The battery was not even disconnected... Is there anything I could've touched to cause this? Now the bigger problem for me is I don't know how to reverse it back. Done some research on Google and the forum but it seems it's not possible to reverse one servo as it's all controlled by the AR6335 receiver?

Any suggestion is really appreciated. Thanks for reading.

Last edited by acb_ye; 08-17-2019 at 09:08 PM.. Reason: Correction
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Old 09-04-2019, 06:59 AM   #2 (permalink)
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Did you figure out what caused this? I recently had this happen with the tail servo reversing out of no where....
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Old 09-05-2019, 02:43 PM   #3 (permalink)
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Not really... Been busy with some other projects. I'll ask HH and keep you updated.
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