The PowerHD HD-1900A 9g model servo is a compact and precise component, designed for lightweight aircraft applications. Its low weight and optimized parameters make it an ideal choice for situations where every gram counts, ensuring reliable control in RC model aircraft.
Key Features and Technical Specification
The HD-1900A 9g servo features technical specifications that ensure efficient performance in its weight class:
Torque: 1.7 kg/cm – Provides ample power for controlling aerodynamic surfaces in small and lightweight models.
Speed: 0.12 sec/60° – Offers quick response to control signals, which is crucial for precise piloting.
Dimensions: 22.8 x 20.6 x 11.8 mm – Its ultra-compact casing allows for easy integration even in tight fuselage or wing spaces.
Weight: 9 g – Low mass minimizes model load, positively impacting flight performance and battery run times.
Dead Band Width: ≤4 us – A narrow dead band ensures high precision and minimizes unnecessary vibrations, resulting in smooth and accurate servo movements.
Applications and Compatibility
The primary application for the PowerHD HD-1900A 9g servo is lightweight model aircraft. Its specifications are optimal for gliders, trainers, and small electric acrobatic models. It can be used to control various control surfaces, such as:
Ailerons
Elevators
Rudders
Smaller flaps
The servo is compatible with standard RC systems and most model receivers utilizing a PWM (Pulse Width Modulation) signal. The standard servo connector (Futaba/JR type) allows for easy connection to receivers, flight controllers, and signal splitters.
Construction and Materials
The casing of the PowerHD HD-1900A 9g servo is made from durable plastic, providing adequate protection for internal components while maintaining low weight. Internal components, including the motor and gear mechanism, are designed to ensure reliability and long lifespan, typical for servos in this class.
