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Old Mar 26, 2015, 11:37 AM
Registered User
Poland, Masovian Voivodeship, Warsaw
Joined Mar 2006
146 Posts
Hello all!
My PNF version (no stabiliser) arrived today. I've got strange 5 -wire connectors on servos named HK-02B. Tried to connect simply first 3 wires (black, red & white in standard order), but after connecting battery (TX-RX binded, TX switched on), both servos goes extreme positions and after trying to move the Ail/Ele stick, the ESC starts strange loude noise, while throttle stick works fine.
Anybody had similar problem ? I've tried to look for it but cannot find proper keywords
Update:
Tried to connect both other remaining wires as signal (yellow and brown, one at a time ), with just the same result. What's going on with these servos ?!?

Edit:
It looks like this servos can be operated by original stabiliser ONLY. They are probably "toy servos" without electronics, to be operated by AIO receiver/stabiliser/servo-controler boards, so selling this kind of PNF set w/out stabiliser makes no sense at all. Servos need immediate exchange to normal ones...
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Last edited by kinemax; Mar 27, 2015 at 07:50 AM. Reason: new info
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Old Yesterday, 03:29 AM
Registered User
Poland, Masovian Voivodeship, Warsaw
Joined Mar 2006
146 Posts
Now I know That's manufacturers mistake, so if you have same story, you shall replace servos with normal ones (HK 3,7g works fine in my case) and ask for servo value refund (which I received within 2 days).
Generally plane flies very nicely with stabiliser (I've put Lemon stabilised RX), but is difficult to manage without it.
When I changed the prop to stiff 4,75x4,75, model is faster and quieter (!!!), but looks like original ESC haven't survivied bigger prop
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