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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsSpartan Vortex › Terrible Shake With VX1n
09-06-2015 01:03 AM  3 years agoPost 1
Gator1

rrApprentice

Thonotosassa, Fl - Usa

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Had a terrible crash in Gaul NX7 and since rebuild as head speed increases the shake gets violent.
Iv'e replaced all shafts arms and so on and still have shake.
Lowered gains from 50 to 40 still shakes.
It was perfect before crash, could I have messed up the VXn?
Could it seem to be fine till head speed increases, then shakes badly?
Any Thoughts?

Mike G (Gator)

T.O.R.C.H.S. Orlando Member And T.R.A.C.S. Tampa Member

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09-06-2015 02:44 AM  3 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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Probably something else is bent, Main shaft, tail rotor shaft, Could be a number of things. Is there a log in the VX?

Bill Whittaker

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09-06-2015 03:13 AM  3 years agoPost 3
Gator1

rrApprentice

Thonotosassa, Fl - Usa

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All of that has been replaced. All shafts including clutch stack w/starter shaft, except clutch bell.

T.O.R.C.H.S. Orlando Member And T.R.A.C.S. Tampa Member

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09-06-2015 03:37 AM  3 years agoPost 4
FLYERCLD

rrVeteran

Proctor, Arkansas

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Terrible Shakes
Can you make a vid?

Charles

Old pilots never die they just fade away

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09-06-2015 02:37 PM  3 years agoPost 5
Gator1

rrApprentice

Thonotosassa, Fl - Usa

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Sorry No vid available. But it seems to be Aileron shake and from head but all parts in head are new and checked and rechecked.

I thinking about switching out vxn1 with another unit I have to see if I damaged unit in crash.

But I think it would shake at any speed not just at higher speeds.

T.O.R.C.H.S. Orlando Member And T.R.A.C.S. Tampa Member

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09-07-2015 01:19 AM  3 years agoPost 6
basmntdweller

rrKey Veteran

Indianapolis IN

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You mentioned replacing shafts but not the rest of the head. I had a vibe I fought for a long time on my Trex 550. It ended up being one of the blade grips. I also had an issue with my 6S Dominator 450. It ended up being a tweaked head block.

Matt


Stupid people have no idea how stupid they are!!!

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09-07-2015 11:08 AM  3 years agoPost 7
Gator1

rrApprentice

Thonotosassa, Fl - Usa

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Thanks Matt,
I'm trying one of my other Vortex units first to make sure I didn't mess the FBL unit up in the crash.
Then I try grips and head block, thanks for the ideas.

T.O.R.C.H.S. Orlando Member And T.R.A.C.S. Tampa Member

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09-08-2015 02:22 AM  3 years agoPost 8
PoncioPilot

rrApprentice

Queens

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All Nx7 are having Shaking problems right now..... 6 in my club, 5 shaking, 1 not because is not done with the bulding.

Robert R. ---> Paypal Credit Team Pilot - Mastercard Team Pilot - Half of my Salary field rep

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09-10-2015 08:41 AM  3 years agoPost 9
gouki

rrVeteran

philippines

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you can also try checking all bearings especially the bearings in the bearing blocks. i had trouble from those before and the latest was from bad bearings in the tail

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10-22-2015 04:06 PM  3 years agoPost 10
kenb

rrNovice

cloquet, minnesota carlton

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Terrible shake with microbeast
hello,
Did you ever figure out the shaking problem? I'm got the same problem with a century helicopter, can't seem to figure it out. Thanks, ken

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10-23-2015 11:25 AM  3 years agoPost 11
Richardmid1

rrProfessor

Leeds, England

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Blade grips bent or head block? Blades balanced?

60% of the time, it works every time!

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