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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Safe voltage for 9254 ?
04-24-2009 05:43 PM  10 years ago
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simon109

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Hampshire UK

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Safe voltage for 9254 ?
Hi,

I've just put a Arizona reg in my Rap50 and I'm running a 9255 on pitch, 9252's on cyclic and a 9254 on the throttle. What's a safe voltage to set the Arizona at for the 9254 ? I know the others will take 6v or should I swap the 9254 for 6v acceptable servo ?

Simon.
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04-24-2009 05:46 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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When you say 6v is that regulated
Remember look at the servos specs from Futaba
http://www.futaba-rc.com/servos/servos.html

Also remeber any battery when is charged and not going thru regulator
it has .2 to .5 higher voltage.

check the Chart
AMA 334000
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04-24-2009 05:50 PM  10 years ago
simon109

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Hampshire UK

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It will be regulated through the Arizona Regulator.

Simon.
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04-24-2009 05:53 PM  10 years ago
Dr Lodge

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Guildford, Surrey - UK

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I ran mine at 5.8 volts. 9254s do fail especially if they get oil in them from the fuel.Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200
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04-24-2009 05:54 PM  10 years ago
dasd

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Carol Stream, IL

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Technically, none of those servos are rated for 6V. With that said, I have an Evo 50 with a very similar setup. I run the Arizona at 5.4V and have never had a problem. I know people that run them at 5.8 and don't have an issue. So, there you go.
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04-24-2009 05:57 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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Check the Durralite SIte
I ve been using them for a long time, never failed me yet, Now they evevn have Redundent electronic swicthes that will prevent crashes due to switch malfunctions.

http://duralitebatteries.com/flight/accessories.php

AMA 334000
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04-24-2009 06:02 PM  10 years ago
Zaneman007

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Texas - USA

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It will be regulated through the Arizona Regulator
Unless your using the "kiwi", you'll be fine. The Arizona reg keeps the gyro and gyro servo voltage the same regardless of what you set the voltage to.
Old Guys Rule!
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04-24-2009 06:04 PM  10 years ago
simon109

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Hampshire UK

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I know the gyro connections on the Arizona is set at 5v but I'm runig a 9254 on the throttle.

I'll set the reg to about 5.3v to start with see how it goes.

Simon.
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04-24-2009 06:05 PM  10 years ago
tadawson

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Lewisville, TX

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Unless your using the "kiwi", you'll be fine. The Arizona reg keeps the gyro and gyro servo voltage the same regardless of what you set the voltage to.
Note that he is using it on *THROTTLE*, so your comment about voltage to the *GYRO* is not relevant . . . . .

- Tim
Friends don't let friends become electrotarded . . . .
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04-24-2009 06:05 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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04-24-2009 06:08 PM  10 years ago
Zaneman007

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Texas - USA

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Just learning to read.

9254 is good for.... Well 4.8 volts per Futaba. but I run mine at 5.3 with no problems (on the tail).

IMO - get a 3151 for the throttle and don't worry about the voltage.
Old Guys Rule!
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04-24-2009 06:40 PM  10 years ago
Dr Lodge

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Guildford, Surrey - UK

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9254 is rated at 4.8 volts, which means a 4 cell NiCd, which fully charged is up in the mid 5 volts. Therefore running it at 5.4 to 5.8 volts should be fine, even 6 volts regulated should be OK. A 6v servo is suitable for a 5 cell NiCd pack, which runs a higher voltage than 6v, nearer 7 volts fully charged, which will fry a 9254.Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200
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04-24-2009 06:56 PM  10 years ago
simon109

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Hampshire UK

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Right 5.28v thats as close as I can get to 5.3v That will do.

Simon.
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04-25-2009 12:03 AM  10 years ago
tchavei

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Portugal

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The 9254 will fail sooner or later on any computer controlled application at more than 5.8V

Computer controlled application = gyro and governor

I burned my share of them on both positions (tail and throttle).

Tony

--------------------
"Perfection and patience usually walk side by side..."
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04-25-2009 12:04 AM  10 years ago
TMoore

rrMaster

Cookeville, TN

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As long as the voltage is set to 6.0 volts or less, the 9253/54 will run fine on this voltage, especially on throttle which won't work the servo very hard like a tail gyro would. I ran 53's and 54's like this for years and still use them on throttle if I need to.

TM
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04-25-2009 12:11 AM  10 years ago
ZAC ATTACK

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Hamilton Ontario, CANADA

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Why run a 9254 on throttle? $$$$MAAC#77677 Medicated daily for your protection
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04-25-2009 01:28 AM  10 years ago
tchavei

rrProfessor

Portugal

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^^^

Lets not even go that route or we will have here a 10 page long discussion... he wants to use a 9254 and just asked about the safe voltage range.

Tony

PS - I'm pretty much against the use of high speed servos on throttle. Been there, done that and I learned my lesson.

--------------------
"Perfection and patience usually walk side by side..."
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04-25-2009 09:46 AM  10 years ago
simon109

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Hampshire UK

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Ok so whats a good throttle servo then, that I can run a higher voltage along with the 9252's and 9255 ? I'm using a TJ Pro if that makes any difference.

Simon.
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04-25-2009 02:17 PM  10 years ago
tchavei

rrProfessor

Portugal

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any servo will do as long as it can cope with the vibes and isn't too fast (anything between 0.1 and 0.2 is fine).

Personally, I choose the lightest servo I can get away with. I've used the mini futaba 3155 with good success (6V, metal gear). Lately Im also using hitecs mico 85HB with similar results. even a cheap 3152 will do althoug it develops some slop after some use

--------------------
"Perfection and patience usually walk side by side..."
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