All News

How to Design an RC Racing Boat Water-Cooled Power System

An RC racing-boat power system should be treated as four separately validated subsystems: propulsion, electrical power, water cooling, and steering and sealing. This guide explains how to match a water-cooled motor, propeller and ESC, how to design and test the cooling loop, how to size a rudder servo from rudder load and linkage geometry, and how to separate water cooling from whole-boat waterproofing. It uses the customer planning reference (3660/4074 water-cooled marine motor, 120A water-cooled ESC, 12V rudder servo for 1/8–1/5 boats) and the published XQ-POWER BLS8140H reference (40kg·cm, 0.07sec/60° at 12V, 1520µsec neutral) without inventing motor KV, propeller size, flow rate, boat speed or whole-boat waterproofing.

2026

How to Select a UAV Gimbal Actuator for Payload, Inertia and Cable Routing

A UAV gimbal actuator should be selected from the complete axis load envelope rather than camera mass alone. This guide explains how payload center of gravity, axis inertia, friction, backlash, cable routing, PWM control, mounting and duty cycle interact, using the published XQ-S9130D (210° limit angle; 8.4–12.8V; 76kg·cm at 8.4V; 102kg·cm at 12.8V; 15T-7.95mm spline; 188g) and XQ-S9150D (210° limit angle; 8.4–16.8V; 116/160/180kg·cm at 8.4/12.6/16.8V; 25T-5.94mm spline; 452g) actuator references for application evaluation.

2026

How to Size a High-Torque Robot Joint Actuator for Inertia and Load Path

A high-torque robot joint actuator must be sized from the complete joint load envelope, not a single peak-torque number. This guide explains how payload mass, center-of-gravity offset, link inertia, reflected inertia, acceleration, braking, transmission ratio and efficiency, holding duty, structure and thermal behavior interact, using the XQ-POWER S9750D (1000kg·cm-class; 850/920/980kg·cm peak stall at 24/28/30V; 0.25sec/60° at 30V; PWM configuration) as a published product reference, with joint torque, inertia-matching, mounting, testing and OEM/ODM checklists.

2026

How to Choose an AGV Steering Actuator for Torque, 360° Control and Serviceability

An AGV steering actuator must be sized from the complete wheel or joint load path, not from a single torque number. This guide covers vehicle and payload loading, wheel radius, floor friction, dynamic and shock cases, 360° control, RS485 Modbus integration, external bearing support, calibration, testing and service access, using the XQ-POWER RS460 (58kg·cm at 12V, RS485 Modbus, 360° absolute position) as a published product reference.

2026

Can High-Frequency Underwater Servo Rotation Cause Water Ingress?

High-frequency servo rotation moves the output shaft through a dynamic seal, which can affect water-ingress risk. This guide explains how pressure, salt water, sediment, load, alignment, cable routing and maintenance influence sealing, and how to validate an IP67 waterproof marine servo such as the XQ-POWER S8335DW before using it in a wet mechanism.

2026

CAN Bus vs TTL Serial Bus Servo for UAV and Multi-Node Actuators

CAN Bus and TTL Serial Bus servos are both digital actuator options for UAV, gimbal, robot and distributed actuator systems, but they are not interchangeable interfaces. This guide compares the published XQ-POWER BLS8135DC CAN Bus and BLS8135TTL Serial Bus 35kg servos, then explains what to verify for wiring, termination, addressing, baud rate, telemetry, voltage, node behavior, failsafe response and controller compatibility before integration.

2026