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Mikado Modellhubschrauber . Futaba-RC . Boca Bearings

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JR Heli Vibe - Airskipper - Sylphide - Venture > Waving the White Flag
 
 
gorn
Elite Veteran
Location: Western Australia

My Posts This: Topic  Forum

you say you set the Spartan up as per the manual right?
Did you set the tail up to have some pitch at center stick , or did you set the pitch slider so the blades have zero pitch at center stick?

I have alsways had zero pitch on the tail with my Spartans, no I dont have a Vibe, but they have been on everything from a 450 up to 90 without issue like this.

If you bling it, they will come :D
10-26-2009 03:01 AM
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Elgreco
Senior Heliman
Location: Montreal,QC-Canada

My Posts This: Topic  Forum		If you REALLY can't spot any vibrations, why don't you just change the servo just in case ?
If you have a spare or can get from someone, doing this, at least you eliminate that...

It could be that the servo is acting up.

Just a thought.

Trex450SE, Trex 500 ESP, Vibe 50, Trex 700 /X9303
10-26-2009 03:54 AM
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shady1475
New Heliman
Location: Wellington, KS - USA

My Posts This: Topic  Forum		Setup

To Gorn: I did set it up with a little bit of pitch at center stick. I did this in Rate mode during setup. Will this affect HH Mode?

To Elgreco: Well like I said a few posts ago, I can see a vibration in the canopy while in flight. You can see the sides vibrate and stop and vibrate and stop. Which now that I think about it, that could explain the "ticking" drift. I just wish I could figure out what's causing it.

I'm still learning, get off my back!!! ;)
10-26-2009 04:34 AM
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gorn
Elite Veteran
Location: Western Australia

My Posts This: Topic  Forum		try setting the gyro up only in HH mode, and have zero tail pitch at center stick.

If you bling it, they will come :D
10-26-2009 07:21 AM
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Turkana
Veteran
Location: Montreal,Quebec , Canada

My Posts This: Topic  Forum		If you see the Vibration comming in "waves" that means that something starts to resonate periodicaly wich will build up a vibe and drop off again and come back. That means that those "waves" will casue the Gyro to drift. I would check everything from the engine alignment, blade balance, tailhub balance and imo important also check your TT or just move the bearing on the TT back or forth. If the bearing is to far in the middle or in the middle the TT will start resonating!Check engine tuning or just change the HS a bit. Regards Pete
10-26-2009 01:26 PM
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r.s.m.
Senior Heliman
Location: sparta tn. us.

My Posts This: Topic  Forum		hey shady, i had a simular vibration in my vibe and i had it apart 3 times trying to find the mysterious vibration and on the last time before i trashed it i found that somehow the starter shaft was bent just slightly and after i replaced that, the viberation was gone, hope this helps

crashing is the secret of the best pilots(sim time)
10-26-2009 02:07 PM
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GScott
Key Veteran
Location: Lewis Center, OH

My Posts This: Topic  Forum		You probably shouldn't be running the metal plate with the zeal tape. It is possible to have too much dampening. I would recommend either trying just the zeal tape or remove everything and just go with a single layer of gyro tape.

You said the canopy vibrates in flight. Does it vibrate on the ground at idle? If so it's something in the drive train.
10-26-2009 02:44 PM
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Turkana
Veteran
Location: Montreal,Quebec , Canada

My Posts This: Topic  Forum		Another thing. Becasue the Gyromount is infront it depends how high the Gyro builds and becasue the Vibe canopy is so steep it could happen that if the canopy vibrates that it touches the gyro.So everytime the canopy starts vibrating it touches the Gyro wich will cause the heli to start drifting etc.Check that there surely is very little space infront and if you have zealtape gyrofoam and a metalplate your gyro will build high hence the chance of touching the canopy increases.

Regards Pete
10-26-2009 03:32 PM
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BrainDrain_dx
Senior Heliman
Location: Wichita KS

My Posts This: Topic  Forum		wait what.... I thought we fixed this thing.
is it still not holding?!?

dx4life
10-26-2009 03:41 PM
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shady1475
New Heliman
Location: Wellington, KS - USA

My Posts This: Topic  Forum		Nope

Dang thing is still drifting left.

I'm still learning, get off my back!!! ;)
10-27-2009 01:23 AM
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XHELI.COM . Autography FlightPower . Advantage Hobby

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JR Heli Vibe - Airskipper - Sylphide - Venture > Waving the White Flag
 
 
Votinh
Heliman
Location: Boston, MA

My Posts This: Topic  Forum		Check the transmitter as well. Make sure it doesn't give any rudder input when you move the throttle stick up/down. When I had the Airtronics RD8000 radio, I always had issue with the tail drifting by itself and would blame it on the engine, heli or the 401. I didn't know it was caused by the TX until I upgraded to the Logictech 6100T. The 6100T has an LCD that show the gain, voltage, as well as amount of rudder input. I then noticed when I move the stick up or down, depending on the stick positions, it would give about 1 or 2% of rudder input even though all revo mix were turned off.

I loved that radio though. If it wasn't for that issue, I wouldn't have bought the X9303.

I forgot to add that, if the Spartan works like a 401, you should be able to tell by looking at the HH LED. The HH LED should goes off if it see any rudder input.
10-27-2009 06:56 PM
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Mikado Modellhubschrauber . Futaba-RC . Boca Bearings

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JR Heli Vibe - Airskipper - Sylphide - Venture > Waving the White Flag
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