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HelicopterRadio - Servo - Gyro - Gov - Batt › Unregulated 2s A123 with Rutaba R149DP rx
10-24-2009 08:52 AM  8 years agoPost 1
Andriyka

rrNovice

Kyiv, Ukraine

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Anybody running A123's without a regulator on Futaba R149DP (or similar) receivers ?

Futaba R149DP power Requirements: 4.8 to 6.0V.

I don't see the BIG difference in a 6 volt A123 vs a 6 volt Nimh. Both initially charge over 6 volts.

Andriy.

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10-24-2009 03:38 PM  8 years agoPost 2
smallplanes

rrElite Veteran

S.C. ,SSA

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You will have to put a reg on it so it does not go over 6v fully charged or your looking for trouble with futaba servos.


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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10-24-2009 05:20 PM  8 years agoPost 3
Andriyka

rrNovice

Kyiv, Ukraine

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.. or your looking for trouble with futaba servos
I plan to use Futaba S9254 with stepdown on rudder, and Align DS610 on swash and throttle.

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10-24-2009 05:24 PM  8 years agoPost 4
smallplanes

rrElite Veteran

S.C. ,SSA

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Well then that should be ok.


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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10-28-2009 01:46 AM  8 years agoPost 5
jschenck

rrProfessor

La Vista, NE.

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Measure the voltage on the two packs - 5C NiMh vs A123 - there is little difference. I run A123 style on my Trex-700 with 610's on swash, no regulator. I actually run the tail servo and throttle servo straight voltage also, they are Hitec's.

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11-23-2009 08:51 AM  8 years agoPost 6
Andriyka

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Kyiv, Ukraine

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Works perfectly

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HelicopterRadio - Servo - Gyro - Gov - Batt › Unregulated 2s A123 with Rutaba R149DP rx
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