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› Proper way of using an ESC
06-03-2009 03:40 AM  9 years agoPost 1
duceduc

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Saitama-Ken, Japan

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When you guys are setting up the heli on a bench, do you use the esc for powering the servoes are straight 4.8nihm source? I was told that it is bad to use the esc to power the servoes AND to not have the motor connected while the esc is on.

I have been doing this ever since I started flying eletrics and nothing had happened to the esc as far as frying it. Thoughts?

Duc S
Do It! Do It!™
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RCK:24005615-01

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06-03-2009 04:27 AM  9 years agoPost 2
RCHSF

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NC

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No it's fine to power the servos with the esc, just unplug the motor wires, at least two of them.

If you cant unplug the motor, just remove the pinion, or move the motor back away from the main gear, to be safe.

Also you can remove the mainblades, if not working on setting up pitch.

Never race the motor without a load, with no pinion on it, bad for for the motor.

Or you can use a 4.8v rx battery.

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06-03-2009 04:29 AM  9 years agoPost 3
uk2bx

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Bronx , NY

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+1 for using 4.8v pack

www.flysrw.com

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06-03-2009 04:32 AM  9 years agoPost 4
duceduc

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Saitama-Ken, Japan

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I was told that it is bad to use the esc to power the servoes AND to not have the motor connected while the esc is on.
This was from tech support of a common used ESC.

Duc S
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06-03-2009 01:58 PM  9 years agoPost 5
Heli Bob

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Puerto Rico,Carolina

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dude thank's for the info i have a pack like that i will try it.

Beam E4(md-500e),Gaui 200,T-Rex 500,E-flight MCX.

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06-25-2009 04:20 AM  9 years agoPost 6
DKNguyen

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N/A

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Nothing I know about ESCs says it would be bad to only use the linear BEC without a motor connected unless they are talking about the main motor moving air over the ESC to cool it.

There's something that could come up if the ESC has a switching BEC, but if it happens then it means the BEC was not designed properly to begin with and the reliability of the entire ESC is suspect.

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06-25-2009 04:43 AM  9 years agoPost 7
duceduc

rrKey Veteran

Saitama-Ken, Japan

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How are we suppose to know that we can't use it for testing the servoes and not have the motor disconnected. Nothing in the manual says that.

Well, the esc was sent in and return repaired free of charge.

Duc S
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07-04-2009 05:45 AM  9 years agoPost 8
rogeroverout

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DFW area, TX

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Never race the motor without a load, with no pinion on it, bad for for the motor.
Really? Then what does the KV (or RPM per V if you prefer) rating of a motor mean?

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