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Old Oct 25, 2013, 01:35 PM
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Help!
CC BEC 10 amp, Handle 12 Servos ???

Will CC 10 amp BEC handle up to 12 Servos, some digital, some not.

http://www.castlecreations.com/suppo...user_guide.pdf

http://www.castlecreations.com/products/ccbec.html

Thanks, Paul.
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Old Oct 25, 2013, 07:32 PM
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Corner Ketch, DE
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Hey Paul,

There is no way I would recommend that set up
Use two Batteries in a redundant set up so if you lose one pack you still have enough current to fly
You lose the BEC and your done.

I love Castle and beta tested both for use in sport planes
Did burn up one of the 6 s due to a high capacity Lipo
Burnt a hole in it

Stick with the tried and true set ups
NOBS batteries has some nice a123 packs that I love

Charlie
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Old Oct 25, 2013, 07:45 PM
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Quote:
Originally Posted by creeve View Post
Hey Paul,

There is no way I would recommend that set up
Use two Batteries in a redundant set up so if you lose one pack you still have enough current to fly
You lose the BEC and your done.

I love Castle and beta tested both for use in sport planes
Did burn up one of the 6 s due to a high capacity Lipo
Burnt a hole in it

Stick with the tried and true set ups
NOBS batteries has some nice a123 packs that I love

Charlie
But don't I have to bring the voltage down to 5.5 V from the 6.6 V pack with a BEC?
Thanks, Paul.
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Old Oct 25, 2013, 08:01 PM
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Corner Ketch, DE
Joined Sep 2005
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Play it safe and use a Smart Fly or power box

Go over to RCAT there is lots of info there on set ups
Len will chime in here I'm sure

Charlie
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Old Oct 25, 2013, 08:25 PM
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Paul,
You did not mention what type of radio you are using, most newer systems from Futaba and JR can handle up to 7.2v without problems (check your specs to be certain), it's just the servos that limit voltages. There are other options to a BEC to reduce voltages, JR and Spektrum both sell regulators and many aftermarket companies also have them,

Tony
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Old Oct 25, 2013, 08:37 PM
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Quote:
Originally Posted by cooper998 View Post
Paul,
You did not mention what type of radio you are using, most newer systems from Futaba and JR can handle up to 7.2v without problems (check your specs to be certain), it's just the servos that limit voltages. There are other options to a BEC to reduce voltages, JR and Spektrum both sell regulators and many aftermarket companies also have them,

Tony
I have a Futaba 2.4 8FG 14 channel.
I use that BEC above to reduce voltage to the servos not the receiver on other F5J's I have.

Now I have 1/4 scale Ventus 2cx 4.5m with 12 servos.
I wanna run a large LiFe pack 6.6v 3500 mAh or larger for the servos, Or a Lipo 7.4v 5000 mAh and have to reduce voltage to the servos only.

Which options are best, with in $$ reasons ?
Thanks, Paul.
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Old Oct 25, 2013, 09:48 PM
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United States, CA, San Luis Obispo
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Paul, the voltron voltage regulator. We had a thread in the F3X forum where basically every voltage regulator on the market was stress tested by ChrisB. The Voltron was the clear winner. They are only $30 or so.

http://www.rcgroups.com/forums/showt...t=voltag+regul

With all of that said, there are plenty of servos that can handle 6.6V without a regulator.
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Old Oct 26, 2013, 12:36 AM
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Paul,

What is this set up for? I use 6V gel Lead Acid battery for my Blanik L-13 set up ( still need another 4 lb of lead to balance it!). 4.5 Amp, no regulator, just run it off the battery directly. Best yet, the gel battery is $13.00!!

Brian, an EAJ
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Old Oct 26, 2013, 10:57 PM
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I agree with A123 packs. You make a big investment in the airframe so it's worth it to have rock solid power for your good quality radio setup.

And remember to use large gauge wire for the batteries too.
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Old Oct 27, 2013, 12:44 PM
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With all of that said, there are plenty of servos that can handle 6.6V without a regulator.[/QUOTE]

Yup, use LiFePo instead of LiPo.
No self discharge and they don't mind a deep discharge.
Don't worry about the 6,6V, your servos will be able to handle that.
Remember, with older servos we have been using 5 cell niXXX for years.
A freshly charged 5 cell NiMH pack is well over 7 V.
I have never had a servo burn out on that ( nor on a 6,6V LiFePo pack without regulator)
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Old Oct 27, 2013, 04:40 PM
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Quote:
Originally Posted by MaartenX View Post
Yup, use LiFePo instead of LiPo.
No self discharge and they don't mind a deep discharge.
Don't worry about the 6,6V, your servos will be able to handle that.
Remember, with older servos we have been using 5 cell niXXX for years.
A freshly charged 5 cell NiMH pack is well over 7 V.
I have never had a servo burn out on that ( nor on a 6,6V LiFePo pack without regulator)
If you use MKS wing servos in your plane....DO NOT FOLLOW THIS ADVICE!
MKS limits voltage to 5.5v for their wing servos and some others.....if you power them with a LiFe back you will smoke all of your $90 servos.
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Old Oct 28, 2013, 12:16 PM
Aerotow and sloping Holland
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I stand corrected. Thank you Pete.
If you want to play it safe, use a regulator or powerbox.
Allways check the specs of your servos.
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Old Oct 28, 2013, 01:34 PM
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Thank You all.
I be using a (2) LiFe Batteries, 2600 mAh with a voltron regulator & Smart Fly BatShare.
thanks, Paul
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