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05-29-2016 01:13 AM  3 years ago
Topic Vote0Post 1
ICUR1-2

rrElite Veteran

Ottawa, Ontario

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Bad vibes 600N
I have this bad head wobble I have tried balancing the blades even tried different and new blades.
when I spin it up with the blades everything spins true until it leave the ground, then it's gets hairy.

could the clutch cause this ?
spending time, paying attention
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05-29-2016 01:48 AM  3 years ago
JuanRodriguez

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The Villages, Florida

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What FBL unit ?Been there, done that and old enough to know better.....
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05-29-2016 01:54 AM  3 years ago
artimus

rrKey Veteran

Buckley WA

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Head dampners would be my first guess or too low head speed maybeFly Hard......Team Viagra
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05-29-2016 02:06 AM  3 years ago
ICUR1-2

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Ottawa, Ontario

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sk540
headspeed 1900 2000
governor wasn't working today so it defaulted to 75%

but for the short time it was bad

pulled the clutch just now to find the grub screws > start shaft came loose again
spending time, paying attention
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05-29-2016 02:21 AM  3 years ago
MattJen

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UK

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thrust races on correct way round?All The Best
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05-29-2016 02:26 AM  3 years ago
ICUR1-2

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Ottawa, Ontario

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clutch bearing is shot

I will take head apart next

clutch bearing is same size as main shaft bearings good to know
spending time, paying attention
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06-01-2016 05:45 AM  3 years ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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loose blades cause mines to wobble slight chicken dance before take offInsha Allah made in america
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06-01-2016 05:59 AM  3 years ago
ICUR1-2

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Ottawa, Ontario

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I have been finding a bunch of little things that added up to a near rebuild of the clutch assembly and same for the head, being a modified FBL
I am pretty sure it will work out now.

I just find it a bit odd that all of a sudden the heli started shaking when the weekend before it was fine
spending time, paying attention
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06-01-2016 09:32 PM  3 years ago
whiskylima

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Manchester UK

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I had a similar problem, turned out the main shaft bearings had failed. Worth a strip down to check.
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06-01-2016 11:15 PM  3 years ago
ICUR1-2

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Ottawa, Ontario

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I ended up rebuilding the drive train and head. can't to try itspending time, paying attention
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06-08-2016 05:19 PM  3 years ago
Simmer

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Massachusetts

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when / IF you still have issues, check the dampers. There is also a head stiffner in that head that makes it too stiff (for me) and I just left that part out. (was somewhat of an upgrade to stiffen the head)
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