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. This particular XRotor Pro 25 Amp Circular Multi-Rotor Brushless ESC / motor mount is a great option for 450 to 600 class drones with 16mm arm tubes.
As with all of the X-Rotor ESCs, the 25A Pro has been designed specifically for multirotor use. 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 multirotors. A unique feature of the series is the Driving Efficiency Optimization (DEO) function. This significantly improves throttle linearity and driving efficiency, by automatically braking and quickly reducing the motor speed when decreasing the throttle amount. 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.
Most flight controllers are compatible with the XRotor Pro series, which supports signal frequencies of up to 621Hz. Furthermore, as all of the settings are pre-set for multirotor use, using the XRotor Pro series couldn’t be simpler. Note that the ESC is OPTO, therefore it doesn’t have a built in 5V BEC. You will need an extra power source for your receiver. For this you can use a 5V UBEC, voltage regulator, or an extra battery.
Unique to the XRotor Pro 25A Circular ESC is that is comes housed in its own motor mount. The mount suits 16mm carbon tube arms, which is commonly used by multirotors for example the Tarot 680 Pro. By having the ESC integrated into the motor mount, it greatly simplifies the wiring and makes for a very tidy installation. Furthermore, on the base of the ESC motor mount is a bright LED so you don’t need to worry about wiring navigational lighting when using these mounts.
The ESCs are sold as pairs in a dual pack, including one CW ESC and one CCW ESC. There is a option for Red body mounts which feature in built red LEDs and black body mounts which feature in built green LEDS.
Features:
Easy installation integrated ESC housed in a 16mm motor mount simplifies wiring and protects electronics.
Special core program for multi-rotor controllers greatly improves throttle response.
Auto Timing Adjustment and Pre-set Parameters for easy operation.
Compatible with most flight-control systems and supports a throttle signal frequency of up to 621Hz.
DEO (Driving Efficiency Optimisation) technology significantly improves throttle linearity and driving efficiency.
The twisted-pair design of the throttle signal cable effectively reduces the crosstalk produced in signal transmission.
In-built LED’s in the base of the ESC helps with orientation and safer night flights.
Specification
Output: Continuous 25A, Burst 40A up to 10 seconds
Input Voltage: 3-6S LiPo
BEC: NO BEC
Refresh rate of the throttle signal: up to 621Hz
Timing: High or Intermediate
Red Black cable length: 250mm (coming out from plastic shell)
Signal cable length: 320mm
Size: 89.3 x 44.5 x 20.9mm
Weight: 50.5g
Includes:
1 x CCW ESC and 1 x CW ESC Hobbywing XRotor 25A Pro Circular ESC
10 x Screws for securing the plastic shell (NO motor screws included)
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Advice
Here at Flying Tech we have a wide choice of electronic speed controllers (ESCs).
There are two main types of ESCs: 4-in-1 ESCs and single ESCs. A 4-in-1 ESC integrates four individual ESCs onto a single circuit board, each controlling a separate motor. A single ESC controls only one motor.
This 4-in-1 ESC is a more popular choice for racing quads, while single motor aircraft such as fixed wings would use a single ESC. Single ESCs are still used by some drone racers though, as after a crash or a burnt up ESC, they only have to replace one, not an entire 4-in-1 or stack which is a lot more costly. Single ESCs are also available which much greater current ratings (80amp +) so they are also used by power hungry multi-rotors, for example X-Class racing quads, professional camera flying “Cinelifters”.
When using individual ESCs, they typically need to be connected to a single power distribution board (PDB) or an “AIO flight controller” (a type of flight controller with integrated PDB) for power supply.
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