Futaba S-A500 Digital Coreless Metal Gear Airplane Servo


SKU: 01102331-3 Category:


The Futaba S-A500 Digital Coreless Metal Gear Airplane Servo is a high-performance servo designed specifically for demanding aircraft applications. Engineered with precision and reliability in mind, this servo features advanced digital technology, coreless motor design, and rugged metal gears to deliver exceptional performance, accuracy, and durability in the air.

Key Features:

  1. Digital Precision: Utilizing advanced digital control technology, the S-A500 servo provides precise and responsive control over your aircraft’s control surfaces. Its digital circuitry ensures accurate position holding, rapid response to input commands, and consistent performance throughout the flight envelope, allowing for smooth and predictable flight characteristics.
  2. Coreless Motor: Equipped with a coreless motor, this servo offers high-speed operation and efficient power delivery without sacrificing torque or reliability. The coreless design eliminates cogging and inertia effects, resulting in smoother movement and reduced wear on internal components, making it ideal for high-performance aerobatic maneuvers and precise control applications.
  3. Metal Gear Train: The S-A500 servo features a robust metal gear train that provides unmatched strength, durability, and resistance to wear and tear. The precision-machined metal gears ensure smooth and reliable operation, even under high loads and extreme flight conditions, making this servo suitable for a wide range of aircraft types, including sport, scale, and 3D aerobatics.
  4. High Torque Output: With its high torque output, this servo delivers ample power to actuate large control surfaces, retractable landing gear, or other high-load mechanisms with ease. Whether you’re flying large-scale models or high-speed jets, the S-A500 servo provides the torque needed for precise control authority and responsive maneuvering, enhancing your overall flying experience.
  5. Dual Ball Bearings: Equipped with dual ball bearings, the S-A500 servo ensures smooth and reliable operation, reducing friction and wear for long-lasting performance. The ball bearings support the servo’s output shaft, providing enhanced stability and precision during flight maneuvers, while minimizing backlash and slop for precise control response.
  6. Versatile Mounting Options: Designed for easy installation and compatibility with a variety of aircraft configurations, the S-A500 servo features a standard size and mounting pattern that allows for seamless integration into most airframes. Whether you’re retrofitting an existing model or building a new aircraft from scratch, this servo offers versatile mounting options to suit your needs.


  • Product Name: Futaba S-A500 Digital Coreless Metal Gear Airplane Servo
  • Operating Voltage: 4.8V – 7.4V
  • Torque:
    • @ 4.8V: XX kg-cm
    • @ 6.0V: XX kg-cm
    • @ 7.4V: XX kg-cm
  • Speed:
    • @ 4.8V: XX sec/60°
    • @ 6.0V: XX sec/60°
    • @ 7.4V: XX sec/60°
  • Dimensions: XXmm x XXmm x XXmm
  • Weight: XXg
  • Motor Type: Coreless
  • Gears: Metal
  • Bearings: Dual ball bearings
  • Connector Type: Futaba J-style connector


The Futaba S-A500 Digital Coreless Metal Gear Airplane Servo is a reliable and high-performance servo solution for RC aircraft enthusiasts seeking precision, reliability, and durability in their flight control systems. With its advanced digital technology, coreless motor design, rugged metal gears, high torque output, dual ball bearings, and versatile mounting options, the S-A500 servo delivers exceptional performance and responsiveness, making it an ideal choice for a wide range of aircraft applications, from sport flying to competition aerobatics.

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