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HelicopterAlignOther › tail still wagging
08-12-2007 11:12 PM  10 years agoPost 21
micknick

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united kingdom​Rainham kent

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Cheers for the advice I will give it a go Steve.

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08-13-2007 08:05 PM  10 years agoPost 22
lightningrc

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UK

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Flew mine tonight , shes now well sorted flies exactly like my E version but has more power and smoke .

Done 5 tanks in a row , no hassle just flying !!!!!!

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08-15-2007 08:59 PM  10 years agoPost 23
micknick

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united kingdom​Rainham kent

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Thanks to all you guys who have responded, since i have added the extra bearings i have not had the opportunity to fly but all the input is much appreciated and will be taken on board.

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08-15-2007 09:05 PM  10 years agoPost 24
lightningrc

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UK

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Have you added carbon tube or fuel line to the front rod yet also ??

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08-15-2007 09:17 PM  10 years agoPost 25
micknick

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united kingdom​Rainham kent

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No i haven't yet but have to every intention of doing so, not been able to get down to my LHS as been very busy at work at the moment.
I am hoping to get there over the weekend when I will add the tubing and will let you know how it goes.
Thanks again for the advice.

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08-15-2007 09:24 PM  10 years agoPost 26
lightningrc

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UK

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No problem ,also check your engine temp if your running it in , if its cold lean her off some more , this also helps smooth out the vibes.

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08-15-2007 09:34 PM  10 years agoPost 27
micknick

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united kingdom​Rainham kent

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Cheers will do
Where abouts in the UK are you?
I am down in the sunny south east in kent.

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08-15-2007 11:20 PM  10 years agoPost 28
lightningrc

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UK

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South Wales in the rain

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08-16-2007 04:59 PM  10 years agoPost 29
matey

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Luton, Bedfordshire​UK

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Well I'm using a CSM720 with Futaba 9256 servo set to 760us on my 600N. I'm using the second hole in on the std Futaba arm.

I cant belive how locked in it is at any head speed. Its never had a wobble and this gyro/servo combination is the best I've ever used.

Oh and I glued the horizontal fin clamp with Slo-Zap as per BOBJ's reccomendation.

Mark

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08-22-2007 12:21 AM  10 years agoPost 30
micknick

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united kingdom​Rainham kent

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Thanks for all the advice guys got a really good response to this one but unfortunately still not been able to get out again yet since adding extra bearings and fuel tubing to the front rod connecting to rear servo, i'm sure I must be working far too hard, but will keep you posted.

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08-22-2007 01:26 AM  10 years agoPost 31
rcmarty

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Penticton , B.C.​CANADA

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Another thing to think about.

I had a bad wag on my 600e , i read several threads about the thrusted tail and how to fix it.

What i did was modded my tail to the dual radial bearings along with the thrust bearing. Same idea as the QUK tail.

Simple mod , need 2 15mm bolts , and 2 bearings (mr105zz) and about 10-20 min of your time.

My 600e wagged s bad i only hovered it for 10 seconds, after the mod it was perfect (same settings - gyro etc) and been so for 30 flights

http://www.heli-freak.com/showthread.php?t=38182
(loose the hypen )

Martin

What goes up will come down.... one way or another !

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08-22-2007 01:54 AM  10 years agoPost 32
shuttlepilot

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Mullins, South​Carolina

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I have experience the same type of wag on other brands of helis also. I also found that the problem was with the thrust bearings not being able to move properly.....or the outside bearing wasn't able to move as it should. A little sanding in the grip to free up the bearing and the problem went away.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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08-28-2007 03:55 AM  10 years agoPost 33
tchavei

rrProfessor

Portugal

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to micknick:

Please check your tail grips. I've just looked at the 600N pic you have in your gallery and the grips are reversed i.e. linkage control is lagging while it should be leading. That way your tail jesus bolts should be on the outside and the nuts on the inside.

Hope that fixes your wag

Tony


--------------------
"Perfection and patience usually walk side by side..."

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08-28-2007 11:45 AM  10 years agoPost 34
Barney

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Inverness Scotland

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Thats well spotted Tony ...not the best of pics either

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08-28-2007 03:49 PM  10 years agoPost 35
micknick

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united kingdom​Rainham kent

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Cheers Tony I will give it a try and let you know how I get on.
Many thanks and all the best.
Mick.

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08-28-2007 09:59 PM  10 years agoPost 36
mont_blanc

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UK

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Let us know what solves the problem, I've got a minor wabble on my tail which I suspect is done to only one bearing in the tube, but would be interested to see what fixes your problem.

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08-28-2007 10:05 PM  10 years agoPost 37
tchavei

rrProfessor

Portugal

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You welcome and while you're at it, lube the thrust bearings.

Not to hijack the thread but I went to test several mods I did to my bird (second bearing in the tail included) and I got rid of the vertical wag but the lateral wag (side to side) is still there eventhough much less noticable. I suspect there is something else to this than just a "TT bearing fix" or something else.

I'm now waiting for some zeal gel to mount the gyro better and if that fails too, I'm putting a new tail rotor in and moving the gyro to the front.

My gyro is currently at:

Limit A: 115, Limit B: 127
3D Mode
Smoothness 7%
Gain HH: 26%

Using 3rd hole in servo arm (12.50mm)

Tony


--------------------
"Perfection and patience usually walk side by side..."

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08-29-2007 10:49 AM  10 years agoPost 38
micknick

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united kingdom​Rainham kent

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Thanks for all the advice guys i will keep you all posted I have now added two extra bearings, turned the tail grips the right way round and added fuel tubing to the front rod that connects to the tail rod but still have not been able to get out with the heli yet, soon as i do I will let you all know how it goes.

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08-29-2007 12:30 PM  10 years agoPost 39
nukey

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United Kingdom

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I had the same problem , in the end I replaced both bearings in the os hyper and the wag has gone.

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08-29-2007 04:42 PM  10 years agoPost 40
micknick

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united kingdom​Rainham kent

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cheers nukey thanks for the info, the bearings should be ok though as the engine is brand new, only had about 3 tanks of fuel through it
but if all else fails the bearings will be getting changed.

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HelicopterAlignOther › tail still wagging
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