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HomeAircraftHelicopterAlignT-REX 600N › Arizona regulator voltage monitor.
10-26-2009 12:10 AM  8 years agoPost 1
jasonrusso

rrApprentice

Haverhill, Massachusetts

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I just replaced my 2 in 1 with a Fromeco Arizona regulator. I now have no way of knowing what the batteries voltage is. There is a black plug on the regulator to monitor the voltage, but I don't have anything to put in there. Can I use the monitor from the 2 in 1? What wires should I hook up? What have you guys done/seen?

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10-26-2009 12:18 AM  8 years agoPost 2
kaotik

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upper darby pa

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which regulator the kiwi

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10-26-2009 01:18 AM  8 years agoPost 3
BlakeMcBrayer

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Georgetown, Ky

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The wire with the black plug on it is a battery charge/check lead. This is where you would check your battery voltage. The battery indicator on your old 2 in 1 is a nice feature, but it's not the most reliable way to check your battery voltage. Most battery will give you their truest reading under a 1 amp load. You need a battery checker such as the Fromeco 8-Ball, Futaba BR-2000 or any checker that can apply a 1 amp load to the battery.

There are some other variables, such as the type of Rx battery your using?

Don't come off the throttle untill you see your GOD!

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10-26-2009 01:24 AM  8 years agoPost 4
jasonrusso

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Haverhill, Massachusetts

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So I would need to check it after every flight? What would be the lowest reading before I cannot safely get another flight in. I am using a 2000mAh 7.4v lipo. The battery leads are the same size as the 2 in 1, so I assume that they will be sufficient. How much current can the leads handle? They are the standard leads, not the upgraded ones.

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10-26-2009 01:26 AM  8 years agoPost 5
kaotik

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upper darby pa

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well imho i would check battery voltage before every flight regardless its just for peace of mind better safe than sorry

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10-26-2009 01:36 AM  8 years agoPost 6
jasonrusso

rrApprentice

Haverhill, Massachusetts

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which regulator the kiwi
It is the Fromenco Arizona helicopter regulator

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10-26-2009 03:22 AM  8 years agoPost 7
crashagain

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Redding

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You should be ok for at least3 to 4 flights before you have to charge the battery.
I am using a Hyperion 2500mah on my Arizona regulator. I fly sport and lame 3D (still learning) and my heli uses about 250mah to 300mah per flight.
If you have a charger that tells you how much you are putting back in the battery, fly it for a tank then put the battery on the charger to see how many mah's you put back in. It will give you an idea of your consumption.

Velocity 50 FBL, Trex 600 FBL, Frenzy V2 FBL

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10-26-2009 03:37 AM  8 years agoPost 8
QuantumPSI

rrElite Veteran

Atlanta, GA

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Fromeco recommends (from the 8ball checker) that you don't fly the pack when the voltage drops below 7v under a 1A load.

...now where was I, dh/dt = BS-dx/dt
I will fly you forever... till earth do us part

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10-26-2009 04:48 AM  8 years agoPost 9
red_z06

rrProfessor

Dumont, NJ

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I use the Whatt'sup watt meter to check the lipo voltage by plugging into the charge port.

Not all 2s lipos will result in the same voltage for the same amount of discharge. It is a good idea to jot down your pack voltage after each flight for the first couple of flights. Also record how much is charged back at what voltage to determeine safe cutoff.

For a typical 2s <20c pack, you will be safe down to 7.6v before the flight. But, as the C rating of the pack go up, so does the voltage. 30c packs will have nothing left at the nominal 7.4v

Again, for the first few flights, do not take more than 3 flights until you develop a good relationship between voltage and charge status.

Is is also a good idea to cycle your pack at 1/2c to about 3.5v per cell and back up to see the actual capacity. If the full cycle capacy is about 80% or below of the rated capacity, discard the pack.

www.JustinJee.com

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