NX4 and Mini V Bar - Shut down - HeliFreak
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NX4 Discussion and support of the Gaui NX4 Nitro Helicopter


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Old 07-09-2017, 11:11 PM   #1 (permalink)
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Join Date: Jul 2017
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Default NX4 and Mini V Bar - Shut down

I have a weird one..... finishing my build and doing the wiring... when I cycle the control surfaces a few times the Rcvr will shutdown and the servos all run to extreme travel distances. The only way to reset and get anything to work again it to power down the rcvr. I am using a Futaba 617 and my T7C transmitter. Any ideas? For the first few cycles all works fine then... pow... crazy like
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Old 07-10-2017, 02:11 PM   #2 (permalink)
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what servos?

How are you feeding power to the vbar?
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Old 07-14-2017, 08:12 AM   #3 (permalink)
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Default NX4 and Mini V bar

I was feeding it from a std nmh pack but when I switched to my 2s LIFE pack it has not acted up. I and wondering if I just had a bad battery pack. Maybe my pack was browning out.
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Old 07-15-2017, 04:56 AM   #4 (permalink)
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You could try connect the vbar to PC via usb and watch the BEC voltage on the main panel while you wiggle the sticks crazy, you'll be able to see it sag if it's the packs not being able to keep up (most likely). If you don't see that then at least you know to look elsewhere.
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