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Skookum Robotics Skookum Robotics SK-360 SK-540 & SK-720 Digital Flybar


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Old 01-10-2013, 01:00 AM   #1 (permalink)
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Default The dreaded SK Elevator bobble. When will it be fixed!?

My SK540 is absolutely perfect on my 7HV.
But on my atom, it has the dreaded elevator bobble (tap the stick in elevator and watch it bobble back and forward a few times) and. Now my new warp does the same thing, not quite as bad, but if I can't fix it I'll be swapping these 2 helis to a ikon/brain.

This is not a thread about how to fix it. There is NO way without unacceptable compromise, like reducing the overall roll/flip rates by reducing cyclic travel.
Change head speed, servos, etc.
It is undeniably a problem with skookum units.

Other than this I love skookum and plan to stick with them.
But id like to know if they are working on the problem and when we are likely to see a fix with some new firmware?



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Old 01-10-2013, 03:30 AM   #2 (permalink)
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I have three units, all pretty much standard basic 3d settings , how can one recreate this behaviour?
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Old 01-10-2013, 03:38 AM   #3 (permalink)
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I can not recreate it on my 7hv.

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Old 01-10-2013, 07:02 AM   #4 (permalink)
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I had the same issue with my atom 500 when i put in new dampeners in the head (kbdd).

They were more ridgid than the stock ones.

I dropped my cyclic gain numbers down and it solved it for me.
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Old 01-10-2013, 07:03 AM   #5 (permalink)
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I have this problem too on my Trex 500, but not on my Fusion 50. Common denominator seems to be small helis.

I'm still trying to dial it out. Any ideas to mitigate it?
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Old 01-10-2013, 07:05 AM   #6 (permalink)
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my 700E still does it to some degree, swapped around FBL units, the others dont do it...
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