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  • High Voltage Servo Combo with Advanced Features

    The KST HLS3008-12 Cyclic and HLS1535-12 Tail 12V Aluminum Standard Brushless Metal Gear Helicopter Servo Combo is built for RC helicopter pilots who demand precision, speed, and durability. Featuring three powerful cyclic servos and one high-speed tail servo, this combo is engineered to provide exceptional control in even the most demanding conditions. Each servo is designed for long life and reliable performance, making it a top choice for serious enthusiasts. Whether you’re flying for sport or competition, this set delivers consistent results and superior handling.

    About the Metal Gear Servo Combo

    Powerful Cyclic Performance

    The three HLS3008-12 cyclic servos offer remarkable torque and speed, ensuring your helicopter responds with unmatched precision. With 443.7 ounce-inches of torque at thirteen volts and a quick 0.07-second response time, these servos excel in high-demand maneuvers. The brushless motor and advanced engineering ensure consistent output, even under heavy load for smooth and accurate flight control.

    High-Speed Tail Control

    The HLS1535-12 tail servo is optimized for speed and agility, delivering 221.9 ounce-inches of torque with a lightning-fast 0.03-second response time. This ensures razor-sharp tail control for precise positioning and stable flight. Its robust construction and brushless design make it a reliable choice for aggressive flying styles.

    Durability & Engineering

    Every servo in the High Life Span (HLS) Combo set is crafted with a CNC aluminum case for strength and heat dissipation, hardened steel gears for long-lasting reliability, and six ball bearings for smooth, slop-free operation. Built to handle the rigors of demanding flights, these servos maintain peak performance over time, giving pilots confidence in every maneuver.

    Features:

    • High Life Span servo design for long-lasting durability
    • Set includes three cyclic servos and one tail servo
    • Six ball bearings per gearbox for smooth operation
    • Ultra-high torque and excellent speed performance
    • CNC-machined aluminum cases for strength and cooling
    • Hardened steel gears for maximum wear resistance
    • Brushless DC motors for efficiency and power
    • Compatible with 700 to 800 class RC helicopters

    Includes:

    • (3) HLS3008-12 High Life Span Brushless Metal Gear Cyclic Servos
    • (1) HLS1535-12 High Life Span Brushless Metal Gear Tail Servo
    • (4) Aluminum Servo Horns
    • (20) Composite Servo Horns
    • (16) Aluminum Grommets
    • Mounting Hardware

    Specifications:

    HLS3008-12 Cyclic Servos

    Application

    700-800 Helicopters
    Input Voltage

    8.0-13.0V
    Operating Speed @ 8.4V

    0.11sec/60°
    Operating Speed @ 12.0V

    0.08sec/60°
    Operating Speed @ 13.0V

    0.07sec/60°
    Dynamic Torque @ 8.4V

    347.2oz-in (25kg-cm)
    Dynamic Torque @ 12.0V

    416.6oz-in (30kg-cm)
    Dynamic Torque @ 13.0V

    444.5oz-in (32kg-cm)
    Pulse/Frequency

    560Hz
    Motor Type

    Brushless
    Output Shaft Spline

    25T
    Gear Material

    Hardened Steel
    Dimensions

    1.57×0.79×1.57in (40x20x40mm)
    Weight

    2.54oz (72g)
    HLS1535-12 Tail Servo

    Application

    700-800 Helicopters
    Input Voltage

    8.0-13.0V
    Operating Speed @ 8.4V

    0.050sec/60°
    Operating Speed @ 12.0V

    0.035sec/60°
    Operating Speed @ 13.0V

    0.030sec/60°
    Dynamic Torque @ 8.4V

    166.3oz-in (12kg-cm)
    Dynamic Torque @ 12.0V

    207.9oz-in (15kg-cm)
    Dynamic Torque @ 13.0V

    221oz-in (16kg-cm)
    Pulse/Frequency

    560Hz
    Motor Type

    Brushless
    Output Shaft Spline

    25T
    Gear Material

    Hardened Steel
    Dimensions

    1.57×0.79×1.57in (40x20x40mm)
    Weight

    2.54oz (72g)

    This product was added to our catalog on August 12, 2025

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