Brushless power

[Nitronaut]

Can anyone explain to me the reprocussions (if there are any) of running an esc that has a higher amperage output than that of the motor it's controlling. Any help would be greatly appreciated.

---------- Post added at 11:38 AM ---------- Previous post was at 11:33 AM ----------

Also let me apologize for not searching, so to all you trolls out there who's pet peeve is repetetive topics I'm sorry.

 

[neobart]

That will not be a problem. The ESC will only supply what the motor asks for. A too low amp ESC on a high amp motor is bad news.

And the chain continues this way, a battery can not have a too high amp rating. It will only supply what the ESC asks for.

So The battery should have a higher rating than the ESC, which in turn should have a higher rating than the motor.


To my understanding that is.

 

[Nitronaut]

very helpful totally makes sense, thanks!

 

[hamz9561]

There is also a discharge rate which is listed as a "C" rating. Most ESCs and LiPo batteries have one. For example a Castle Creations Mamba Max requires a minimum C rating of 30 and the battery must be able to match this rating or damage could be done to the ESC (this info is from Castle Creations).

 

[neobart]

C rating must be combined with capacity to get a discharge rate. That's why I prefer using Amp rating, it's more accurate than C rating.

For example, for my 4s 1/8 e-buggy, I use lipos of minimum 120A continuous discharge rate. They are 4s 5000mah 30C turnigy.