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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › 9251 on 5.6 volts?
10-14-2005 05:00 AM  12 years agoPost 1
cdrking

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Seattle

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Can I fly this servo on 5.6 volts?

Jeff

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10-14-2005 05:02 AM  12 years agoPost 2
RobRoy

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Huntsville, Alabama

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Yes, I've been flying mine like that for about a month now. Many others have flown there as high as 6v with no problems.

Ignorance is curable, stupidity is for life.

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10-14-2005 05:09 AM  12 years agoPost 3
cdrking

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Seattle

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The reason I ask is that I have been experiencing some difting. It seems in tail slides that it's not holding as well as it has in the recent past.

Also I have been trying more and more inverted tail first autos and it doesn't seem to hold real good. This may have to do with headspeed management but like I said it seems to be drifting in other maneuvers also.

Thanks,

Jeff

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10-14-2005 05:15 AM  12 years agoPost 4
RobRoy

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Huntsville, Alabama

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Haven't had that problem, but only been running my setup for about a month now.

Ignorance is curable, stupidity is for life.

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10-14-2005 05:18 AM  12 years agoPost 5
fitenfyr

rrProfessor

Port Orchard, Washington

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Servo yes...gyro ???
Jeff,
The servo I am sure can take it, but the board is still out on the gyro itself.
I have heard both good and bad on the subject of 6v into the gyro.
You may be starting to see signs of a sensor going out. I am of the opinion that the potential or real heat buildup at 6v's is a killer for the gyros not the actual voltage itself.

That is the reason I just went with the Arizona reg and left it at that.
I can run 6v to the cyclics all day and get a clean regulated 5v to the gyro and tail servo. Heck you could even rig up 6v to the tail servo if you really wanted and keep the gyro on 5v with that setup, but IMO the GY series works great on 5v.
Not a bit of problems with my 401, 502 or 601.

Jason Stiffey
Fly Fast....Live Slow...

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10-14-2005 06:28 AM  12 years agoPost 6
vitek

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Corvallis, OR

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Jeff,

Could your 9251 be showing some signs of wear? I replaced one after I noticed that the tail wasn't holding quite as well as it had before. That fixed the problem...

Travis

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10-14-2005 07:39 AM  12 years agoPost 7
cdrking

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Seattle

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Could be a sign of wear BUT I just replaced this servo about 120 flights ago. That's why I'm wondering if the voltage is killing it.

I guess the next question would be is how long will a 9251 last?

Jason,

I've thought about the Arizona regulator but I really am trying to keep costs down but more importantly trying to keep it simple. Not that it doesn't work but I don't want the extra wiring and possibly more weight. I am sure they make a great product.

I'm running their "older" regulator and the 4400 mah Li-Ions. They have worked perfect for me.

I do have another complete GY601 with servo and I have a new servo that I could replace it with. I just want to make sure I'm replacing the problem child.

Jeff

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10-14-2005 05:14 PM  12 years agoPost 8
vitek

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Corvallis, OR

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Jeff,

Just FYI, I was not getting a drift problem when the servo was worn. It just didn't hold quite as good as it had in the past.

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10-14-2005 05:29 PM  12 years agoPost 9
Sparkhead

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Melbourne Australia

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I spoke to Futaba direct and they said the servo is the part of the GY601 that limits the voltage . The amp and sensor can take 6v without a problem but the servo is running at such high speeds that 6v will burn it out in a short time. They said they didn't see a problem with a voltage up to 5.6v.

I've been running mine on 5.5v because that's what my Helitron regulator is set to in the factory. Ive got 2 setups using a GY601's and 1 with a GY401/S9254 and all 3 are working great so far.


Mick.

Robbe & Futaba.

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10-14-2005 06:08 PM  12 years agoPost 10
fitenfyr

rrProfessor

Port Orchard, Washington

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Jeff,
They are less complicated than they look and really not heavy IMO.
All 3 of my ships are running them and so far I have not noticed a difference in performance (other than great cyclics on 6v. ).
I had on in my Fury and it didn't effect it one bit. It is probably the same weight or just a tad more than the current reg you have.
If I ever get a day off I will come by and show you.

Jason Stiffey
Fly Fast....Live Slow...

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10-14-2005 08:25 PM  12 years agoPost 11
rckrzy1

rrElite Veteran

Hurst Texas

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Could be a sign of wear BUT I just replaced this servo about 120 flights ago. That's why I'm wondering if the voltage is killing it.
That's 20 gallons of fuel for me and quite a bit of time to wear out.



Wildcat Fuels

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