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HelicopterMain Discussion › Regulator help
09-11-2007 10:27 PM  10 years agoPost 1
mdgyro

rrApprentice

Hawkinsville,GA

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I am going to go from 4.8v nicad to 7.4v lipo I run a Futaba 601 gyro. Do I need to run it on 5.1v or 5.3v?

Also I fly a knight 50 just sport flying no hard 3d. Will a battery that has an output of 4 amps constant be enough?

50% of flying helis is 90% mental

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09-11-2007 10:37 PM  10 years agoPost 2
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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yes, you NEED a regulator. MOST of the electronics cant handle that voltage, esspecially the tail servo (max 5v)

you need some sort of regulator (5 to 6 volts). if running more then 5 volts, you need a step down for the tail servo.

there are many to choose from. one fo the best is a Fromenco. a lot of poeple use Duralites. i use a german one called the VS5S. there are also new ones out with a switch thats activated with a magnet. a lot of other people also use the ALIGN regulators with great success.

Shawn
Team Leisure-Tech
Team HelixRC

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09-11-2007 10:48 PM  10 years agoPost 3
MarshallB

rrVeteran

Middle Arkansas

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You can get the Align 5 volt step down reg for 5 bucks for the tail servo. Then you could run a duralite or fromeco 6.0 volt reg for the rest of the servos. Depends on the servos you are running as well. Fromeco has the airplane reg that is a bit lighter than the heli version. I'm running the step down and the Fromeco airplane 6 volt reg on a Trex600n.

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09-12-2007 02:00 AM  10 years agoPost 4
mdgyro

rrApprentice

Hawkinsville,GA

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my servos are Futaba 9252's and you are not supposed to run them on 6v. I need a regulator for the entire system not just a step down for the tail. Duralight makes regulators in 5.1v and 5.3v, and some others. My question is do I need the 5.1v or the 5.3v or, does it make any difference with the 601 and the 9252's?

50% of flying helis is 90% mental

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09-12-2007 02:32 AM  10 years agoPost 5
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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everywhere i read says that the 9252 can handle 6 volts. my friends run their on 6 volts with absolutly no issues.

like i said, you can get anything between 5 to 6 volts, but over 5 volts, and you need a step down for the tail servo.

the higher voltage will help give the servo's more speed and torque for some very quick moves.

im personally running 5.4 volts with a stepdown for the tail servo.

Shawn
Team Leisure-Tech
Team HelixRC

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09-12-2007 03:46 AM  10 years agoPost 6
MarshallB

rrVeteran

Middle Arkansas

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9252's are fine on 6 volts. If you run the step down on the tail servo, you can run higher towards 6 volts on the rest of the servos. Best combination IMHO!

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09-12-2007 08:14 AM  10 years agoPost 7
Xircom

rrVeteran

Kuala Lumpur - Malaysia

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if running more then 5 volts, you need a step down for the tail servo.
Is that really so ? I run 5.5 regulated for the whole system, including gyro and tail-servo ... no problems so far, a fully charged NiCD also shows as much, but should I worry ?

thanks.\,

*** fly more ***

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09-12-2007 02:40 PM  10 years agoPost 8
MarshallB

rrVeteran

Middle Arkansas

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I would stay as close to 5 volts as I could on the tail servos. Especially if they are Futaba 9256 or 9251's. Just to be on the safe side. They may tolerate 5.5 but are really designed for 4.8v. I realize that a typical NiCd will be more than 4.8 volts though..

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09-12-2007 03:21 PM  10 years agoPost 9
BarracudaHockey

rrMaster

Jacksonville FL

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Get a 5.3 volt regulator and dont worry about stepping down the tail servo it will be fine.

Duralite and RadioSouth are made by the same folks, http://www.radiosouth.com the switch safe reg's that Tony sells are the same thing only cheaper.

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

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09-12-2007 03:44 PM  10 years agoPost 10
pphil611

rrApprentice

South Dakota

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Regulator

electrodynamics.com
I've been running a 3300 Ma 7.3 LiPo through there EDR1181 5.3 regulator, and EDR 111 power bus pro to all servos for two years now and love it. Amazing how many flights you can get using the higher voltage battery.
I have a 600 Ma NiCad feeding just the Rx. All servos and gyro feed from the LiPo. You will need two switches, one for the NiCad, and a Heavy duty one for the LiPo.

I believe there regulator is good for aabout ten amps, plenty for all the servos.

Spectra-G, MAH, CSM

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09-13-2007 02:48 AM  10 years agoPost 11
tlankford01

rrApprentice

Amarillo, TX 79110

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I use a generator that runs my entire system at 5.4 volts. Get a JR 8700G and you will never have issues. That is the first time I have heard that you needed 5 volts for a tail servo. I have several helis and they all run at higher than 5 volts. I have heard of lower end gyros that can not handle 6v systems. I do not have issues and my helis are all daily fliers.

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09-14-2007 02:44 AM  10 years agoPost 12
The Dude II

rrVeteran

IN - USA

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The Fromeco Arizona has two regulator circuits...one "fixed" for 5.2V for the Gyro & tail servo...the other regulator is adjustable from 4.9 to 6.0.

I'm running two GY-611s and 2 Arizona regs this season...trouble free with Fromeco's ReLion 7.4VDC 2600mAh Li-Ion.

I to use 9252s on my #1 CCPM bird running at 6VDC...for 60+ flights and no problems. 9252s definitely run quicker @ 6 vs. 4.8.

My second ship is configured with 9155s (yup...190oz of torque @ 6VDC) ...this machine (both are Pantera 50s, 600mm vBlades) has better "feel" and more precise control than the first "identical" bird.

One of the great advantages of the regulator is the consistency in the "feel" of the heli from flight to flight.

lotta ins, lotta outs

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09-14-2007 03:22 AM  10 years agoPost 13
irocu88

rrApprentice

norfolk,va

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I have a few that run the entire system on 5.3 and 6.0 volts REGULATED. the reason they say not recommended on 6v is because a 6v battery comming off the charger is above 6v which will cook the tail servo but regulated 5-6v is fine, been running them foe a while with no issues on 401/502/601/611.

Caliber 90 FT os91 c-spec
Caliber 50, OS50 hyper
Caliber 30 OS37

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