RunRyder RC Helicopter Topic - T-REX 450 Inverted hover ?

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e-Align T-REX 250-450-500-600 > T-REX 450 Inverted hover ?

504Rone
Senior Heliman
Location: New Orleans, LA.

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Is it normal for the heli to roll left when inverted nose in on punchouts?I also noticed that it pulls left when I punchout up right tail in.

11-06-2009 01:24 AM

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heli21
Veteran
Location: Leroy, NY --USA-- Upstate NY

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are you sure your not moving the sticks yourself and not noticing it?

Gaui 200, Furion 450, Trex 600e

11-06-2009 01:30 AM

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504Rone
Senior Heliman
Location: New Orleans, LA.

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I'm not touching the right stick. It's not a tail blowout it's a roll.

11-06-2009 02:06 AM

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drdot
Elite Veteran
Location: So. California, Orange County.

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fwiw..

Probably a bit of interaction...This can be tuned out with ATV on the pitch and aileron servo channels...Observe which way it rolls, then reduce atv on one side, increase it on the other in the appropriate direction,,,Go a couple % at a time...Really no other way to tune out interaction other than fly and test....

Good luck!!

John.

11-06-2009 04:29 AM

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knightofcarnage
Senior Heliman
Location: chicago

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What gyro are you using. Some gyros you can set a dead band (spartan) and on 520 you can set AVCS respose so you can eliminate minor center stick movments. But i would blame ccpm interaction

11-06-2009 05:55 AM

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itsjojo
Veteran
Location: North East Pennnsylvania

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I'm with drdot on this one..

a swash plate leveler would take care of this. Yes, I know not all of us use them but they are a better teaching too. I don't use mine much any more cause I just eyeball it up and it just works.

Check to see if your swash stays completely level thought its up and down travel. If your swash tilts than this is what is causing it. Your corrections will be through your end points at top and bottom and sub trim at center travel.
jojo

Trex 500esp 600N Pro & 700 Nitro Dx7

11-06-2009 08:33 AM

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Melnic
Key Veteran
Location: Columbia, MD,USA

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+1 on itsjojo.

I also use a swash leveling too.
Level Swash + good CG and it's usually pretty darn level in upright/inverted hover and punch outs.

If it's off at all after leveling, it's usually not enough for me to bother dealing with.

11-06-2009 08:14 PM

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504Rone
Senior Heliman
Location: New Orleans, LA.

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I have a swash leveling tool but never used it. I guess ill give it a try.

11-07-2009 03:48 AM

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itsjojo
Veteran
Location: North East Pennnsylvania

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With the Swash level tool I adjust subtrim at mid stick and end points at high and low stick to level the swash. After so many head removals to use the leveler I just using my eye and it still works great.
Jojo

Trex 500esp 600N Pro & 700 Nitro Dx7

11-07-2009 10:16 AM

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504Rone
Senior Heliman
Location: New Orleans, LA.

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Thanks everyone, it was travel adjust.

11-15-2009 05:49 PM

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e-Align T-REX 250-450-500-600 > T-REX 450 Inverted hover ?

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