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HelicopterThunder TigerRAPTOR X50 › X50 Initial Thoughts
10-25-2012 04:19 PM  5 years agoPost 41
Avi8tor

rrNovice

Charlotte, NC

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I got the wag mostly sorted but the heli still vibrates like hell. I now have tail drift.

The vibrations are so terrible that you cannot keep your hand on the boom when spooling it up. Continued operation in this condition will surely result in pieces flying off randomly. Driving it into the concrete at full nose down has been considered as an option.

I have also chased the vibration and replaced every part in this thing - including the engine. After 4 months, I have finally thrown in the towel.

Hobbico helicopter support wasn't very helpful. They offered one bit of advice and won't respond further.

Decided to go with another vendor which should be here any day now.

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10-27-2012 07:36 PM  5 years agoPost 42
BrianApp

rrVeteran

Grand Rapids, MI

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Have you thought about trying a belt drive on it? I would be curious to know if the problems are due to the TT.

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10-28-2012 03:13 AM  5 years agoPost 43
Avi8tor

rrNovice

Charlotte, NC

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I have but I'm not willing to buy any more parts.

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10-28-2012 04:21 AM  5 years agoPost 44
BrianApp

rrVeteran

Grand Rapids, MI

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I understand. It would be a shame to have tried all these things if it was all due to a bad production run of torque tubes. If you were anywhere nearby I would swap mine it to see what it did.

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10-28-2012 02:13 PM  5 years agoPost 45
Avi8tor

rrNovice

Charlotte, NC

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Thank you sir. I greatly appreciate the offer.
I have replaced the TT and added an additional bearing.

Didn't help much. I believe it may be engine alignment related. I may loosen all the bolts to ensure the frame is straight and give it one more go.

Again, thank you for the offer.

R/Avi

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11-06-2012 10:45 AM  5 years agoPost 46
Richardmid1

rrProfessor

Leeds, England

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Ok please don't hold the boom while spooling your heli up!!!

This is your first nitro, all nitro's are going to vibrate more than your Trex 450's and blades.

Did you try spooling the heli up without the main blades installed? Did you try it without the tail blades installed?

Did you try different tape and/or mounting location for your FBL unit?

All these things are quite normal practice when tuning a heli in.

Too late now I guess.

60% of the time, it works every time!

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11-06-2012 01:17 PM  5 years agoPost 47
Avi8tor

rrNovice

Charlotte, NC

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I got it fixed.

I ended up replacing the gears and bearings for the torque tube that run off of the auto rotation gear. I had about 5 to 6mm of play.

Took it completely apart and added the case, bearings, gears and bearings. It flies smooth now.

Still pissed that it took around $500 in parts to track down. I have a lot of spares now.

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HelicopterThunder TigerRAPTOR X50 › X50 Initial Thoughts
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