Hitec HS-322HD Standard Heavy Duty Servo
Hitec HS-322HD Standard Heavy Duty Servo
The Hitec HS-322HD is a standard heavy-duty servo motor engineered for demanding robotics, RC aircraft, and industrial automation applications requiring sustained torque and reliability. Professional engineers and hobbyists utilize this servo for precise angular positioning in systems where continuous operation and load-bearing capacity are critical. This servo solves the challenge of achieving accurate, repeatable motion control in weight-sensitive applications while maintaining exceptional durability under extended operational stress.
Product Overview
The Hitec HS-322HD operates on a brushless DC motor architecture with integrated feedback circuitry that delivers precise position control across its full range of motion. The servo utilizes a potentiometer-based feedback system to continuously monitor shaft position and compare it against the incoming PWM signal, enabling closed-loop control that maintains accuracy even under varying load conditions. The metal gear train construction provides superior torque transmission and longevity compared to plastic alternatives, making this servo ideal for applications experiencing frequent acceleration and deceleration cycles.
This heavy-duty servo features a reinforced bearing assembly that minimizes lateral play and extends operational lifespan in high-cycle applications. The HS-322HD incorporates advanced circuitry that optimizes power consumption while delivering consistent torque output, making it suitable for battery-powered systems where efficiency directly impacts flight time or operational duration. The servo's robust construction withstands shock loads and vibration environments common in aerial platforms and mechanical systems, while its standard form factor ensures compatibility with existing mounting infrastructure across multiple platform architectures.
Key Specifications
| Specification | Details |
| Product Type | Standard Heavy-Duty Servo Motor |
| Brand | Hitec |
| Model | HS-322HD |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Operating Voltage | 4.8V to 6.0V DC |
| Torque Output | 3.0 kg-cm at 4.8V / 3.7 kg-cm at 6.0V |
| Speed | 0.19 seconds per 60 degrees at 4.8V |
| Weight | 42 grams |
| Dimensions | 40.6 x 20.2 x 37.0 mm |
| Connector Type | Standard JR connector |
Key Features
- Metal gear construction delivers sustained torque output with minimal backlash, ensuring precise positioning in load-bearing applications
- Dual ball bearing design minimizes lateral play and extends operational lifespan through reduced friction and wear
- Potentiometer feedback system enables closed-loop position control with automatic load compensation
- Compact form factor at 42 grams allows integration into weight-critical aerial and robotic platforms without compromising performance
- Wide voltage compatibility from 4.8V to 6.0V accommodates diverse power system architectures
- Standard JR connector ensures seamless integration with existing receiver systems and control electronics
Applications and Use Cases
- RC Aircraft Control Surfaces: Precise aileron, elevator, and rudder actuation in fixed-wing aircraft where reliability and rapid response are essential for stable flight
- Robotic Arm Joints: Multi-axis robotic manipulators requiring repeatable positioning and sustained torque for pick-and-place operations in industrial automation
- Camera Pan-Tilt Systems: Smooth panoramic motion control for surveillance and aerial photography platforms demanding stable, jitter-free movement
- Mechanical Automation: Valve actuation, gate control, and mechanical switching applications in industrial systems requiring durable, maintenance-free operation
How to Use
Begin by connecting the servo to your receiver or control system using the standard JR connector, ensuring correct polarity alignment to prevent damage. Apply power within the specified voltage range of 4.8V to 6.0V through your battery or power distribution system. Center the servo by sending a 1.5 millisecond pulse width signal, which positions the shaft at neutral. Use your transmitter or microcontroller to send PWM signals between 1.0 and 2.0 milliseconds to command full range motion across 180 degrees.
For mechanical mounting, utilize the servo's mounting tabs with appropriate fasteners that allow slight play to prevent binding. Ensure the servo operates within ambient temperature ranges of 0 to 60 degrees Celsius for optimal performance and longevity. Avoid stalling the servo continuously under maximum load, as this generates excessive heat and reduces component lifespan. Periodically inspect the connector for corrosion and the gear train for debris accumulation, particularly in outdoor or dusty environments.
Frequently Asked Questions
What is the maximum continuous torque rating of the HS-322HD?
The Hitec HS-322HD delivers 3.0 kg-cm of torque at 4.8V and 3.7 kg-cm at 6.0V supply voltage. These ratings represent continuous torque under normal operating conditions. Peak torque during brief acceleration phases may exceed these values, but sustained operation beyond rated torque generates excessive heat and accelerates wear on internal components.
Can the HS-322HD be used in marine or high-humidity environments?
While the HS-322HD features sealed bearings and corrosion-resistant components, extended exposure to saltwater or high-humidity conditions requires additional protective measures. Consider applying conformal coating to circuit boards and using waterproof connector covers. For permanent marine installations, specialized waterproof servo models are recommended instead.
What PWM signal frequency and pulse width range does this servo require?
The HS-322HD operates with standard servo control signals at 50 Hz frequency. Pulse width ranges from 1.0 milliseconds for full counterclockwise rotation to 2.0 milliseconds for full clockwise rotation, with 1.5 milliseconds representing center position. Most RC receivers and microcontroller servo libraries output compatible signals automatically.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
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- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
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- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Hitec HS-322HD Standard Heavy Duty Servo Online in India
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