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HomeAircraftHelicopterAlignT-REX 600N › I need a little help please
01-19-2010 06:17 PM  8 years agoPost 1
hrosee

rrApprentice

Richardson, Texas

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a while back I built a TREX 600N. The first time I flew it I hear some racket coming from it but since it flew good I didn't worry about it. I have since flown it about 6 more time and the racket has stopped but it has developed a problem that I am sure is related but I can't figure it out.

What happens is sometimes when I start it at idle it just about jerks the blades out of my hand. Them it quits and it flys just fine. It doesn't feel like the clutch is engaging because it's just at idle. It feels more like a bad bearing or something. I have studied the manual and just can't figure it out.

Has anyone else had this problem? Can you tell me what is going on and what I can do to fix it.

Thanks,

Harold

2 - Raptor 50's V2

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01-19-2010 06:39 PM  8 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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The first time I flew it I hear some racket coming from it but since it flew good I didn't worry about it.
Good way to ensure a short life for your helicopters

Drop the motor and see if the clutch threw a shoe.

Andy
AMA 77227
http://www.jaxrc.com

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01-19-2010 06:48 PM  8 years agoPost 3
30636086

rrKey Veteran

Tacoma, WA

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I hear some racket coming from it but since it flew good I didn't worry about it. I have since flown it about 6 more time and the racket has stopped but it has developed a problem that I am sure is related but I can't figure it out.
A lil advise, EVERY TIME that something doesn't feel, sound or look good, don't take any chances, don't flight it. For your safety and the other around you also it will save you $ too.

Take your time and go over the heli, you said you went over the manual; that's good, make the habit of going over the heli too! That way you will find when things are not the way they should be and prevent further damages. In your case I will drop the engine and inspect the clutch, bell and bearings, and go from there.

I dont suffer from mental iIlness, I actually enjoy mine!

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01-19-2010 07:10 PM  8 years agoPost 4
hrosee

rrApprentice

Richardson, Texas

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Thanks for the advice. I will drop the engine and see what gives.

Other that the clutch shoe I can't imagine it being anything else. The racket only happed on the initial flight and sounded like a bearing. I guess I can oil everything good just in case.

Is there anything else other that the clutch show that would do what I describe?

2 - Raptor 50's V2

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01-19-2010 07:15 PM  8 years agoPost 5
DustinB

rrNovice

Houston, TX

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Something from the motor had to grab in order to torque the head. It doesn't just jerk on it's own. As the others said. Check your clutch and make sure everything is lined up right. If the heli is making noises there is a problem. Keep in mind if this thing goes down and it doesn't hurt someone it IS going to cost you a few hundred $.

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01-19-2010 08:01 PM  8 years agoPost 6
hrosee

rrApprentice

Richardson, Texas

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I sure don't want to crash but it wouldn't be the first time.

I am going to drop the engine tonight and check the clutch. I really don't see how it could be anything else. Either the shoe it blown or maybe the lining is coming off. I guess with the poor quality of align parts it could be just about anything.

2 - Raptor 50's V2

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01-20-2010 01:33 AM  8 years agoPost 7
hrosee

rrApprentice

Richardson, Texas

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OK, I think I found my problem but it leads me to another question.

The top of the clutch shoe was hitting the clutch bell. I cleaned up a little expoxy from inside the bell where I had put in a new clutch lining when I built the TREX.

I adjust everything all the was down on the engine mounts, etc and I think I have it fixed.

My question is on an OS Hyper 50 do you guys leave the washer in place between the fan and the engine? It that was left out or a thinner washer that would also give it more space.

Thanks,

Harold

2 - Raptor 50's V2

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01-20-2010 01:46 AM  8 years agoPost 8
wifeorheli

rrElite Veteran

reno, nevada usa

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manual says use it i have it installed but i have a tt53 i dont think there would be a difference

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