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All About ESCs or
Electronic Speed Controls
As you know the Electronic Speed Control (ESC) controls the speed of your electric vehicle - well, electronically.
Which just makes sense right?
Basically any esc is nothing more than the throttle or the equivalent of a gas pedal.
How it works is pretty simple. It varies the voltage going to the motor and in the process all but eliminates wasted power.
Most models have an electric brake. And some even come with reverse. (Which is great for bashing. But I'd suggest you avoid reverse laden models if you're going to be racing.)
Now youll find ESCs that are "turn limited" or those that are unlimited.
IMPORTANT: You MUST to pay attention to that turn limit.
You see, limited ESCs can only handle motors with so many turns. And its backwards from what you'd expect. In that it works inversely. Meaning a 14 turn ESC can handle any motor with 14 or MORE turns. Not less. See what I mean about it being backwards? (Knowing as you do now that the lower the number of turns the hotter the motor. Or the greater the power generated by the motor. Since fewer turns means more current is drawn through the speed control.)So as with most things with Electronic Speed Controls you get what you pay for.
Unlimited ESC's can handle any motor. Regardless of the number of turns.
While limited ESCs are cheaper, unlimited ESCs are better able to stand up to abuse, heat and such.
Finally, in case you're wondering, pretty much any ESC is superior to a MSC (mechanical speed control). Taht's because electronic speed controls provide smoother throttle and braking, are more efficient, generate less heat, and are simply all around more reliable.
Anyway hope that clears up ESCs. So what you waiting for. Get out there and start racing.
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