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Old Aug 05, 2015, 12:23 PM
samwize77 is offline
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Joined Aug 2015
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Question
HK 560 Alien

Hi guys. I have a HK 560 Alien all set up and have been attempting to get it off the ground. Whats happening is when I give it throttle it wants to flip over from front to back. Its not just a small little lifting on the front. Its extreme to the point of the back legs not even trying to lift. I flipped it over the first attempt thinking it was just prop wash from the ground. Broke a motor mount doing this. I repaired the mount and checked everything. Re -adjusted the gps location cal and attempted again. Same thing. I'm using Naza M lite.
Is it possible this is in the gain settings? Any other things I can check?
my gains are:
Basic: Pitch 145 Roll 145 Yaw 130 Vert 140
Attitude/Pitch 140 Roll 140
I'm going to take it the local hobby shop this weekend to a tech but with help I'll be flying the weekend
Any thoughts?
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Old Aug 19, 2015, 03:49 PM
iiapoxii is offline
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I was having the same thing happen to me. What I found was that my motors werent arranged correctly. its as follows:

2 1
3 4
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Old Aug 19, 2015, 05:46 PM
ukbren is offline
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United Kingdom, Derbyshire
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also, double check that the motors are spinning in the correct directions and that the relevant props are on each motor (i.e. direction)
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