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Home✈️Aircraft🚁Helicoptere-AlignOther › TREX 600 TAIL WAG- Please Read- PROBLEM SOLVED !!!!
01-26-2007 01:37 AM  12 years ago
SandyEM16

rrApprentice

Enid, OK

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Well, I thought I had the waggles fixed but they returned in this cold weather..I have been following this thread and had some input along with many others and have done all the suggestions..Today I tightened the belt and it all went away..Could all this been related to some tension variances and harmonics on the belt? Would a standing wave on the belt change the rotational speed of the tail shaft? I would like to know if tightening the belt has worked for anybody else..
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01-26-2007 01:51 AM  12 years ago
smartguy

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Corona, CA

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i have another t600 with a 401, i also changed it to the new tail grips and it works great, are some bad and some good?( the new tail grips)
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01-26-2007 01:52 AM  12 years ago
ArtK

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Temecula, Ca

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Belt
I think that is just one more reason that may cause the tail to wag.

My belt is tight. It has been from the very beginning and the tail wag did go away in two ways...
Orininal T/R
This latest solution of griding the outer retaining washer or ring.

I don't think everyone is going to have the exact same set of problems for every tail rotor condition.

As I mentioned earlier my raptor tail was wagging due to a sloppy control lever.
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01-26-2007 02:22 AM  12 years ago
SandyEM16

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Enid, OK

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ArtK

How did you control the outter bearing race to grind it circumferentially?
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01-26-2007 02:28 AM  12 years ago
ArtK

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Temecula, Ca

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I used a vice at one corner then rotated it to the oppisite corner.-Used a dremel
2. If you are very careful (ware safety glasses) Use vice grip needle nose and hold it that way then rotate. It does not need to be perfect.
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01-26-2007 06:23 AM  12 years ago
wolfcbr2003

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Washington

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Problem Fixed
Thanks Art for the Credit. I am glad it worked. Yes I have built many trex600 for customers and I have put many new tail mods on also and on every one of them I have had to mod the outside diameter of the Thrust bearing race that has the smaller inside diameter(furtherst from the hub). Now go enjoy your new tail mod.

Good luck everyone.

Any ? just PM for details to the Fix.

Marcus
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01-26-2007 03:50 PM  12 years ago
MrMel

rrProfessor

Gotland

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Agree,

Thanks ArtK, that did the trick for me too.
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01-27-2007 09:01 PM  12 years ago
ArtK

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Temecula, Ca

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Glad it worked out for you.
Finally flew my TREX 600 today.

What a ship!!!
Great Helicopter. Super stable and flips on a dime!!!
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01-28-2007 11:39 PM  12 years ago
SandyEM16

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Enid, OK

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The grinding worked for me too.. Thanks all..
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01-28-2007 11:50 PM  12 years ago
ArtK

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Temecula, Ca

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Thats great!!!
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01-29-2007 12:26 AM  12 years ago
chiu

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HK

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It works for me too. Many thanks for the solution.

CHIU
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01-29-2007 03:05 AM  12 years ago
wolfcbr2003

rrApprentice

Washington

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Your Welcome Guys
Let me know if you guys have any other problems. I have been through it most more than likely. Glad the fix is working for everyone. You might want to give ANDY a call at assurance to let him know what the fix was and what then problem was. This way it is documented more than once.

Glad I could help!!!

Marcus
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02-03-2007 11:37 PM  12 years ago
caseyjholmes

rrElite Veteran

Portland, Oregon

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I opened the new tail up for inspection today just for the heck of it.
It wasn't wagging but I thought I'd see what all the fuss was about anyways. Sure enough, the thrust cup washer is rubbing in the plastic grip.
Dremeled it down really quick and slipped everything back together.

Also note that align installed the inner bearing race cage with the opening facing outward. If you fill it with grease and turn the opening inward, it will retain more grease

Only took 5 minutes and it's all back together now.
Just a bit smoother than before it seems mechanically.
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04-03-2007 05:24 AM  12 years ago
dhotamis

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Los Angeles, Ca, United States

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Did any of you tried putting a different brand TAIL HOLDER????
Can anyone recommend any other tail holder than aligns? Did any of you tried putting a different brand on the T600

Thanks

Deniz
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09-13-2017 03:36 AM  26 months ago
pdooley

rrNovice

Tampa

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and 10 years later the bearing grinding worked for me.
I detailed the fix of my HK600 on RC Groups. Since then I've checked other helis in my fleet and found most of the clones have outer thrust races too large.
Grinding the races 0.2mm undersize has made a lot of my helis fly much smoother and fixed the bad tail wag on my EXI/HK600.

I was actually shocked not more info was discussed on this. seems this is one of the only threads I found on the subject.
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Home✈️Aircraft🚁Helicoptere-AlignOther › TREX 600 TAIL WAG- Please Read- PROBLEM SOLVED !!!!
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