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Old Jul 25, 2001, 08:40 PM
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Indianapolis,IN USA
Joined May 2001
56 Posts
Great Planes C-10 speed controller

Will this controller handle 4 micro servos? The specs on the BEC say 5V/1A .

If not what is good for a speed 400 plane?
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Old Jul 25, 2001, 08:46 PM
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Dauntae's Avatar
New Bedford, Ma. USA
Joined May 2001
1,413 Posts
I was going to get the C30 for my s400 so I could use it with more sevoes, read a lot of good things about it, Unfortunately tower hobbies had it backordered and I didn't want to wait. and it would be a little cheaper if you decide to use a bigger prop or have a need to use more than a 10a speed control in the future.

Dauntae
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Old Jul 25, 2001, 08:55 PM
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Austin, Texas USA
Joined Mar 2001
848 Posts
The BEC circuit is a big load on the ESC circuits. Using 4 micro servos on an ESC designed for 1 AMP would probably be pushing it too much. Even micro servos can easily hit .5 amp a piece under load.
Look for a BEC circuit at least rated for 1.5 Amps, and go ahead and try to find an ESC that will handle 15 or more amps so that down the road you will not need to upgrade if you want to go with faster Speed 400 planes or motors. The 10 amps can easily be exceeded even with stock Speed 400 motors and 8 cell batteries.
The Kontronik Sun 1000 that we carry comes to mind for $25 - 18 amps continuous and a 2 Amp BEC rated for 4 full size servos up to 12 cells.
This is the brand that we carry - there are many other ESC manufacturers out there that make units designed for around 15 - 18 amps.

Shawn
<a href=http://www.eflightpower.com>Eflightpower.com</a>


[This message has been edited by sf_247 (edited 07-25-2001).]
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Old Jul 26, 2001, 08:27 AM
Dave Segal
Philadelphia PA USA
Joined Jun 2001
545 Posts
Check out www.castlerc.com/ for the specs on some very fine controllers.

Dave Segal
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Old Jul 28, 2001, 12:01 AM
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Arlington,VA USA
Joined Jan 2001
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I would suggest the GP C-20. I have all 3 (C-10, C-20, and C-30).
For slowflyers and lighter 400 duty, the C-10 is fine (I have used 3 servos w/no problem). For more ESC current draw, the C-20 is a fine package.
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Old Jul 29, 2001, 02:50 AM
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Joined Apr 2001
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You have to go up to the C-30 to get a 1.5 amp BEC. The C-20 has the same 1.0 amp BEC rating as the C-10. I wouldn't risk 4 servos on a 1.0 amp. BEC. Micro servos do not pull less current than sandard size. The tests I have seen and done have showed the opposite.
-fish
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