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Old May 02, 2001, 12:19 AM
Just an average RC'er
Jim McPherson's Avatar
Laurel, Maryland USA
Joined Aug 2000
4,291 Posts
Micro ESC that can handle 10 cells???

I have a new robin heli, and during this learning process I'm going through quite a few battery charges. Unfortunatly, I'm using tadirans on the Robin and my charger takes 10 hours to recharge them. So I purchased 3 12 volt 4aH batteries to run my Robin teathered to. However my ESC is only rated at 8 cells, but 12 volts equates to 10 cells. What can I do? I need a 5-7 amp controller with 12 volt operation with BEC.

-Jim
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Old May 02, 2001, 12:56 AM
Make Haste Slowly
realdeal's Avatar
USA, KY, Lexington
Joined Nov 1999
966 Posts
How many servos do you need to run? Since you're eliminating the weight of the power batteries it may be easier, safer and a more realistic practice to just put a receiver pack onboard for tethered flights.

There are a few ESCs like the Castle Creations Pixie 14 and the Jeti 110 that are fairly small and handle 10-cells with BEC, but they are limited to 2 or 3 servos when operating on BEC. This is even more critical when talking about a helicopter as the servos are in constant motion.

Keith
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Old May 02, 2001, 01:52 AM
Registered User
Chilliwack, Canada
Joined Sep 2000
710 Posts
This esc is kinda large for your heli but the great planes c 30 can handle 30 amps , 10 cells 4 servos and weighs .7 ounces.
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Old May 02, 2001, 02:48 AM
Registered User
Austin, Texas USA
Joined Mar 2001
848 Posts
And the C-30 is cheap. I have heard good things about it, especially for the price.
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Old May 02, 2001, 06:44 AM
Let's Fly
gbagley's Avatar
Metairie, Louisiana
Joined Apr 2001
460 Posts
http://www.officeshops.com/esc.htm

Hi jim,

I have some speed controllers that handle 6-10 cells. both 15 and 30 amp. However, i do not know how many servos they can handle. Does anyone reading this know if these will work for him?

-gerald
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Old May 02, 2001, 07:11 AM
Just an average RC'er
Jim McPherson's Avatar
Laurel, Maryland USA
Joined Aug 2000
4,291 Posts
Quote:
Originally posted by gbagley:
http://www.officeshops.com/esc.htm

Does anyone reading this know if these will work for him?

-gerald
Thanks, those ESC's are a bit big, and have a brake. A brake is about the worst thing you can do to a heli.


What are you guys with 10 cell IFO's and Tiny's flying with?

-Jim
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Old May 02, 2001, 11:11 AM
Strange Plane Central
frankenfoamy's Avatar
Poway (near San Diego), CA US
Joined Dec 2000
1,883 Posts
The SIRIUS GFS will handle 16 cells and up to 10 amps (unofficially 14 amps)
It has a 1.5 amp BEC and weighs 1 gram without wires.
Not good for tail rotor control though as the filter software was the trade off for less throttle steps.
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Old May 02, 2001, 11:12 AM
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niek's Avatar
Almere, Netherlands
Joined Mar 1999
572 Posts
Schulze has a new one, the shulze slim10.
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Old May 03, 2001, 12:10 AM
Just an average RC'er
Jim McPherson's Avatar
Laurel, Maryland USA
Joined Aug 2000
4,291 Posts
That Sirius GFS looks perfect! I've already got the tail rotor ESC, it doesn't have to have BEC so I'm using a GWS 2 amp control. Thanks for the suggestions.

-Jim
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