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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsV-Bar › Vbar Neo and nitro rpm sensors
12-09-2019 08:17 PM  40 days ago
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NQNA

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USA

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Vbar Neo and nitro rpm sensors
I’ve never used a vbar on a nitro helicopter. Is there an additional rpm sensor that needs to be purchased or do you just re-pin the Align sensor to fit the vbar input?
Thanks
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12-09-2019 09:05 PM  40 days ago
cudaboy_71

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sacramento, ca, u.s.

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I use the align sensor but you need to change the pinout. Notice the label says signal-pos-neg but my wire is signal-neg-pos

if it ain't broke, break it.
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12-10-2019 12:11 AM  40 days ago
NQNA

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Great.. That’s what I figured.
Thx for the info!
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12-10-2019 12:14 AM  40 days ago
NQNA

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One follow up. Does the polarity need to be changed or did you just do yours that way?
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12-10-2019 12:45 AM  40 days ago
cudaboy_71

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I believe it requires being reversed. No harm if you don’t. It just won’t work LOL

This is different than the hall sensors working on a negative pulse like the old gv-1——which in incidentally will work.

It’s not much of a hassle anyway since the align connector is the wrong type—gonna need to cut and solder anyway. If you want the wires to match the label, shuffle the pins in the servo connector. I was just lazy and shuffled my solders.
if it ain't broke, break it.
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12-10-2019 06:46 PM  39 days ago
NQNA

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Ok Cuda. I will just wire it the way you’ve shown it. Thanks again!
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