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An electronic speed control (ESC) is an electronic circuit that controls and regulates the speed of an electric motor. It may also provide reversing of the motor and dynamic braking . Miniature electronic speed controls are used in electrically powered radio controlled models .
Radio-controlled cars, or RC cars for short, [1] are miniature vehicles (cars, vans, buses, buggies, etc.) controlled via radio. Nitro powered models use glow plug engines, small internal combustion engines fuelled by a special mixture of nitromethane , methanol , and oil (in most cases a blend of castor oil and synthetic oil ).
This produced a significant reduction in crashes, and the number of vehicles with ESC rose. The availability of ESC in small cars like the A-Class ignited a market trend; thus, ESC became available for all models (whether standard or as an option). Ford's version of ESC, called AdvanceTrac, was launched in the year 2000.
A BEC-equipped ESC meant for airplane use often incorporates a low-voltage-cutoff (LVC) circuit which can sense the voltage drop caused when the battery has little charge left. It then cuts the power to the 'drive' motor in order to provide the 'steering' servo (s) with enough power to be able to bring the model safely back to the operator.
Servo and receiver connections A diagram showing typical PWM timing for a servomotor. Servo control is a method of controlling many types of RC/hobbyist servos by sending the servo a PWM (pulse-width modulation) signal, a series of repeating pulses of variable width where either the width of the pulse (most common modern hobby servos) or the duty cycle of a pulse train (less common today ...
In October 2008, RadioShack relaunched the ZipZaps line – this time, as XMODS Micro RC. Only the name was changed; all parts were backwards and forwards-compatible between ZipZaps (except the light features of the SE line) and XMODS Micro RC lines, and used the same chassis and controller of the regular ZipZaps line (as opposed to the more advanced features of the SE line).
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