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Esprit Model . Thunder Power RC . Mikado Modellhubschrauber

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e-Align T-REX 250-450-500-600 > T-REX 450 V3 tail issue
 
 
krashtagain
Key Veteran
Location: ohio

My Posts This: Topic  Forum		I have ran across a problem with my 450 pro . The tail holds well, not wagging in hover or fff but when put in a hard right hand corner the tail wags coming out of the turn . Doesn't do it in left hand turns . Anyone ever ran across this problem ?

Had the gain set at 80% backed it down to 72 % problem never went away .

401/9257 in control of her a$$

Boom mounted tail servo as well .

If you're not living on the edge you're just taking up space !
07-02-2009 03:30 AM
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TomRex
Elite Veteran
Location: West Palm Beach Join Date: 12-28-2005

My Posts This: Topic  Forum

You may want to try this trick, a piece of fuel tube about 3/32 long on the ball before the arm is installed ads just tension to push the slider up to the shaft relieving the slop. Twist the blades opposite each other and see if the slider rocks.

Ignorance is the absence of facts.Stupid is lacking the intellectual capacity to comprehend the fact
07-02-2009 04:23 AM
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Micro-Maniac
Elite Veteran
Location: Pasco,Washington Formerly: Captain Chaos

My Posts This: Topic  Forum		I tried up to 80% gain on my 401/3500 but had to drop it down to 60% to get rid of bounce and wag - Holds just fine at 60%
07-02-2009 08:01 AM
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bahamadude
Senior Heliman
Location: Nassau, Bahamas

My Posts This: Topic  Forum		V3 Tail issue

Can you verify that you are getting full range on the tail rotor ?
From end to end.

That happened to me because of not enough throw.
07-02-2009 09:47 AM
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krashtagain
Key Veteran
Location: ohio

My Posts This: Topic  Forum		What do you mean full range ? Full range on the pitch slider ? Yes I have full range of travel on the pitch slider without any binding.

If you're not living on the edge you're just taking up space !
07-02-2009 01:28 PM
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Funky Trex
Key Veteran
Location: Westerville, OH - USA

My Posts This: Topic  Forum		Sounds like your gain is too high. I had to run a pretty low gain on the 750 to keep it from wagging when loaded up. It still holds extremely well despite a lower than usual gain value. I ended up setting mine at 39 using the gear channel endpoints (not the gyro menu) in my JR radio.
07-02-2009 02:02 PM
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krashtagain
Key Veteran
Location: ohio

My Posts This: Topic  Forum		I'll back the gain down some more and try it. At some point the gyro will let go. At what point would that be ? 60 seems like out of hh range , yea ?

If you're not living on the edge you're just taking up space !
07-02-2009 02:06 PM
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bahamadude
Senior Heliman
Location: Nassau, Bahamas

My Posts This: Topic  Forum		V3 Tail Issue

It seems you may have a setup issue that manifests itself only in the air.


May I recommend for you to try the chinese modification.

The one with the ball bearings on both sides of the tail rotor hubs.

If you try it you wont look back.
Plus you will have to turn your gain way down cause the tail will be stronger.




I did this and dont experience tail blow out issues even in backwards flighttt
07-02-2009 02:30 PM
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e-Align T-REX 250-450-500-600 > T-REX 450 V3 tail issue
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