![]() For instance, multirotor firmware such as SimonK is highly recommended by many for the best flight performance. Some ESC support programming, meaning you can reflash them with custom firmware. A fast ESC will enable the motors to adjust quickly improving throttle response, drastically increasing stability and providing a more locked in feeling. The frequency of the signals varies between manufacturers, but for a multirotor it is recommended to use an ESC that supports a high refresh rate. Each ESC is controlled independently by a PPM signal that ranges from 1ms (min speed=turn off) to 2ms (max speed) in pulse width. An ESC is basically a motor controller board that has a battery/signal input and a three phase output for the motor. As brushless motors are multi-phased, normally 3 phases, you can't just apply DC power to turn them on. A good ESC is paramount to stable flying. They provide a pulsating signal to the motors to drive a change in RPM and thus a resulting multicopter movement. What you need to know about ESCs: ESCs or Electronic Speed Controllers act as the messenger between your flight controller and motors. Slim Design for Fitting Inside Tubular Arms.Twisted Signal Cable Reducing the Crosstalk During Signal Transfer.Driving Efficiency Optimization (DEO) Technology Improves Throttle Linearity & Driving Efficiency.Auto Timing Adjustment and Preset Parameters for Easy Operation.Special Core Program for Rapid Throttle Response.The ESCs are sold as pairs in a dual pack. Finally, thanks to the design of the ESC's heat sink, it is possible to mount them within 25mm tube for a very neat installation. The ESCs come with long power and signal wires as standard, which means they can be installed without extensions on even the largest of frames. For this you can use a 5V UBEC, voltage regulator, or an extra battery. You will need an extra power source for your receiver. ![]() Note that the ESC is OPTO, therefore it doesn't have a built in 5V BEC. Furthermore, as all of the settings are pre-set for multirotor use, using the XRotor Pro series couldn't be simpler. Most flight controllers are compatible with the XRotor Pro series, which supports signal frequencies of up to 621Hz. The effect is increased manoeuvrability and stability of your multi-rotor, with the bonus of improved efficiency too. The high performance of the drive chip is enhanced further by the use of extra low-resistance MOSFETs that also allow high currents to be held stable for longer. ![]() This significantly improves throttle linearity and driving efficiency, by automatically braking and quickly reducing the motor speed when decreasing the throttle amount. A unique feature of the series is the Driving Efficiency Optimization (DEO) function. With their special core program tuned for multirotors, the ESCs have been optimised for compatibility with disc type outrunner brushless motors, which are commonly used on large multirotors. It's rated at 40amps (60amp burst) and supports 2S to 6S (11.1v - 22.2v) operation.Īs with all of the X-Rotor ESCs, the 40A Pro has been designed specifically for multirotor use. This particular 40A Pro version is suited to heavy lifting multirotors: hexacopters and octocopters. The Hobbywing X-Rotor Pro series ESC deliver class leading performance in terms of efficiency and reliability, making them our first choice ESC for professional applications. ![]()
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