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HomeAircraftHelicopterHelicopter Main Discussion › What to set voltage on Fromeco w/ 4.8 volt servos?
08-08-2007 05:58 AM  11 years agoPost 1
Shoego Heli

rrVeteran

San Diego, CA, USA

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I finally got my Fromeco Arizona regulator mounted on my heli, this heli is using servos that can be safely used only with 4.8 volts.

Do I have to set the regulator at 4.8 volts or can I go as high as, say 5.3 volts? I have a generic regulator that is rated at 5.3 volts.

And just to be sure do I need to disconnect the 4.8 rated servos from the receiver as I am adjusting the voltage on the regulator up and down from 4.something to around the 6 volt range?

On one heli I'm using JR8311's for cyclic, Futaba 9155 fir pitch and a Futaba 9254 for throttle. On the other heli I'm using Futaba 9252 for cyclic and pitch and a Futaba 9254 for throttle.

BTW those blue lights look really cool!

Having my heli: Cool, Having a working heli: Awesome, Having a day to fly: PRICELESS!

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08-08-2007 07:12 AM  11 years agoPost 2
legoman67

rrElite Veteran

Nanoose Bay B.C, Canada

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gyro should be at 4.8 i think servos are good at 5.6, equivilant to a full nicad charge

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HomeAircraftHelicopterHelicopter Main Discussion › What to set voltage on Fromeco w/ 4.8 volt servos?
08-08-2007 02:53 PM  11 years ago •• Post 3 ••
Chopper

rrKey Veteran

Stow,Oh- oops, I mean St Louis, nope Stow again,

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5.6 will work fine on all of the Futaba servos. It is what I use. Gyro too.

I can't speak about the other Junior servos...;-)

Paul Soha is a free agent now. Wow.

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08-08-2007 03:04 PM  11 years agoPost 4
BarracudaHockey

rrMaster

Jacksonville FL

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The gyro has no real limit in that range its the tail rotor servo, which I wouldnt run much higher than 5.3 but its safe up to there, thats what 4.8v packs run at for a while anyway when they are fresh.

Andy
AMA 77227
http://www.jaxrc.com

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08-08-2007 03:18 PM  11 years agoPost 5
colsy

rrElite Veteran

Cambridge, UK

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Other than the 9254 i can't comment on the 9 series Futaba's, but all my JR/Fromeco's Heli's are running @ 6v's with step-down's to the (Tail) 8900's and 9256's.

The 9254 does have History of dropped motor winding's and as stated i wouldn't want to go above 5.2 with those on board.

Colin.

Only Quote From Experience.

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08-08-2007 03:39 PM  11 years agoPost 6
BJames111

rrElite Veteran

San Diego, California

My Posts: All  Forum  Topic

The Arizona has a set voltage for the rudder, and adjustable for the rest. I have mine set at 5.5 volts. Most servos are fine at that voltage including futaba servos.

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