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Scorpion Power Scorpion Power
HelicopterFlybarless Rotor Head SystemsFutaba CGY › 750 HELP !!! - Tail drifts ...!!!
04-29-2011 04:37 AM  6 years agoPost 21
joe1l

rrNovice

long valley, NJ

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One last thing...check your servo menu on your TX. I got to the field today and i took off with my X5 and suddenly the tail started to drift...i landed and before i did anything i went to my servo menu and saw my rudder channel was not zero and instead said -1. i did the stick calibration on the system menu and problem gone. For some strange reason my 8FG seems to need calibrating every few weeks as i'm pretty positive i did it a week or so ago.

Fusion 50 CGY750 YGE90HV
Outrage 550 BeastX Jive100
Gaui X5 Vbar 5.1
Gaui X5 CGY750

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04-29-2011 06:50 AM  6 years agoPost 22
shahar_lz

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Israel

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Did that already. I even took a new transmiter from a friend with no improvment.


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05-01-2011 07:30 PM  6 years agoPost 23
shahar_lz

rrNovice

Israel

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Just to let you all know, I just talked with a friend flying a Trex 700 with a new CGY-750 and having the exact same problem.

This is now 3 people (including me) that fly this system on a Trex 700 and having the exact same problem.

It would be realy interesting to here if there are any Trex 700 Nitro that fly well with the 750.

I just sent an email to Futaba with detailed information - I wonder if they have answers.

Please feel free to comment.


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05-01-2011 10:29 PM  6 years agoPost 24
Charlie R

rrApprentice

Lafayette Ca

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I am flying CGY 750 on a 700n and like it a lot ! Tail holds great ,no drifting .

Helicopters are a mass of rotating metal fatigue surrounding an oil leak !

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06-02-2011 04:57 AM  6 years agoPost 25
3D-ALEX

rrApprentice

Daytona Beach, FL

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Vibes, or faulty unit. I have one of the 750's in a velocity 50, and was having some slight drift during tic tocs. I then noticed my tail was vibrating ever so slightly. Replaced my tt and bearings and the problem went away. It doesnt matter how small the vibration, it WILL affect the unit, and this is especially noticeable on a nitro model.

Alex

Alex Morley
Logo 6003D

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03-31-2012 08:53 PM  5 years agoPost 26
Dutchdontdance

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Netherlands

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Problem solved?

Hi,

I have the same issue on my trex550: tail movement to the left with elevator tic-tocs and flips, also with pitch-pumps up and down. Also went at great length trying to find the cause. Otherwise, heli is rocksolid. Just wondered if this issue was resolved or whether the cgy unit was simple sent back to futaba.

Many thanks,
Jan

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03-31-2012 09:07 PM  5 years agoPost 27
shahar_lz

rrNovice

Israel

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I am no longer fly the CGY-750. I switched to v-Bar and never looked back. I even did not know that this post is still open.
I sent my Unit to Futaba but they did not find any thing wrong with it.
Some how, here in Israel I know of about 7 CGY-750 units on different helis with the same problem. I think it has something to do with the air or somthing like that we all changed to other brand of flybarless system.

There was an update of the firmware that supposed to fix it. As much as I can recall, the problem is not on the tail but on the aileron. It just lookes like a tail movement but it is the aileron.

Search for the mix in the 750 unit.

You might also try and ask Dr.Ben. He is a great guy how did his best to help me with my problem.


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04-12-2012 02:00 AM  5 years agoPost 28
petar770

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Conyers Ga USA

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tail drift

hi did you try lover your ael elev gain to 60% and head response to 2

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05-05-2012 04:17 AM  5 years agoPost 29
BlackWatch

rrNovice

China

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The tail goes to the left thing is a known issue, many here in the forum have experienced it and we are waiting Futaba to give us updates on their software.

This is unconfirmed but I think the problem is with the alerion, where in collective movements the heli would tilt slightly to the right making it look like a tail movement in flips.

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10-04-2012 06:59 PM  4 years agoPost 30
Dutchdontdance

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Netherlands

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To close this thread: after much tweaking, I decided to sell the cgy, which succeeded, and bought a v-bar , silverline, heli is rocksolid (period).

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 2 pages [ <<    <     1     ( 2 )    >    >> ] 4303 views TOPIC CLOSED
Scorpion Power Scorpion Power
HelicopterFlybarless Rotor Head SystemsFutaba CGY › 750 HELP !!! - Tail drifts ...!!!
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