Hitec HS-40 Economical, Nano, Nylon Gear Servo
Hitec HS-40 Economical, Nano, Nylon Gear Servo
Hitec HS-40 Economical, Nano, Nylon Gear Servo
The Hitec HS-40 is a compact, economical nano servo featuring durable nylon gears designed for precision control in lightweight robotics, RC aircraft, and miniature automation projects. Professional engineers and hobbyists rely on this servo for applications requiring accurate angular positioning with minimal power consumption and reduced form factor constraints. This servo solves the critical challenge of integrating reliable motion control in space-constrained systems while maintaining cost-effectiveness for high-volume prototype and production deployments.
Product Overview
The Hitec HS-40 operates on the principle of closed-loop servo control using a potentiometer feedback mechanism that continuously monitors shaft position and adjusts motor drive accordingly. The servo accepts standard PWM control signals from microcontrollers or receiver units, translating pulse width modulation into precise angular displacement across its full range. The nylon gear train provides an optimal balance between durability and weight reduction, making it ideal for applications where servo mass directly impacts system performance and battery runtime.
What distinguishes the HS-40 is its nano-class form factor combined with genuine Hitec engineering standards. The compact housing measures approximately 23x12x22mm, enabling integration into confined spaces such as quadcopter control surfaces, miniature robotic limbs, and precision camera pan-tilt mechanisms. The nylon gear construction reduces inertial loading while maintaining sufficient torque output for typical nano-scale applications, and the economical pricing structure makes it accessible for educational projects, swarm robotics, and cost-sensitive commercial deployments without compromising reliability.
Key Specifications
| Specification | Details |
| Product Type | Nano Servo Motor with Nylon Gear Train |
| Brand | Hitec |
| Model | HS-40 |
| 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 | 1.6 kg-cm at 4.8V, 1.9 kg-cm at 6.0V |
| Speed | 0.12 seconds per 60 degrees at 4.8V |
| Weight | Approximately 9 grams |
| Dimensions | 23mm x 12mm x 22mm (L x W x H) |
| Control Signal | Standard PWM 1000-2000 microseconds |
| Gear Type | Nylon composite gears |
| Connector Type | Standard JR servo connector |
Key Features
- Ultra-compact nano form factor at 23x12x22mm enables integration into space-constrained UAV fuselages, robot joints, and miniature mechanical systems without significant volume penalties
- Nylon gear construction reduces servo mass to 9 grams while maintaining adequate torque output of 1.9 kg-cm, critical for extending flight time in battery-powered aerial platforms
- Economical pricing structure makes bulk procurement feasible for educational robotics programs, swarm robotics research, and high-volume commercial production without budget constraints
- Standard PWM control interface compatible with Arduino, Raspberry Pi, RC receivers, and flight controllers ensures seamless integration into existing control architectures
- Dual voltage operation from 4.8V to 6.0V provides flexibility in power system design and allows optimization based on available battery chemistry and voltage regulation
- Proven Hitec reliability with consistent performance across temperature ranges typical in indoor and outdoor robotic applications
Applications and Use Cases
- Quadcopter and hexacopter camera gimbal stabilization where servo mass directly impacts flight stability and battery endurance in multi-rotor platforms
- Miniature robotic arm actuation for educational STEM projects and research platforms requiring precise joint positioning with minimal power draw
- RC aircraft control surface actuation including aileron, elevator, and rudder control in foam and balsa airframes where weight reduction improves aerodynamic efficiency
- Pan-tilt camera mechanisms for surveillance drones and ground-based monitoring systems requiring smooth, controlled motion across dual axes
- Autonomous vehicle steering and throttle control in small-scale robotic cars and wheeled platforms for research and competition robotics
- Precision positioning in laboratory automation equipment and prototype testing rigs where compact servo integration is essential
How to Use
Begin by verifying power supply voltage compatibility with your servo operating range of 4.8V to 6.0V DC. Connect the servo to your control system using the standard JR connector, ensuring correct polarity with red wire to positive supply, black wire to ground, and white or yellow signal wire to your PWM output pin. Before full deployment, calibrate your control signal by sending neutral pulse width of 1500 microseconds to establish center position, then incrementally adjust pulse width between 1000 and 2000 microseconds to verify full range of motion without mechanical binding or grinding sounds indicating gear strain.
For optimal performance in continuous operation applications, implement software-based signal smoothing to prevent rapid pulse width oscillations that accelerate gear wear. Monitor servo temperature during extended use, particularly in high-load scenarios, and ensure adequate ventilation around the servo housing. When integrating multiple servos into a single system, distribute power supply load across independent battery packs or voltage regulators to prevent voltage sag that compromises control accuracy. Store servos in dry conditions at room temperature, and avoid exposing nylon gears to prolonged direct sunlight which can degrade material properties over extended periods.
Frequently Asked Questions
What is the maximum continuous torque output of the Hitec HS-40?
The HS-40 delivers 1.6 kg-cm torque at 4.8V supply voltage and 1.9 kg-cm at 6.0V supply voltage. This torque rating represents sustained output under typical operating conditions. Peak torque during rapid acceleration may briefly exceed these values, but continuous operation above rated torque will accelerate gear wear and reduce servo lifespan. For applications requiring higher torque, consider larger servo models in the Hitec lineup.
How does nylon gear construction compare to metal gears in servo applications?
Nylon gears offer significant weight reduction compared to metal counterparts, making them ideal for weight-sensitive applications like aerial platforms where every gram impacts flight performance. Nylon gears also provide inherent vibration damping and quieter operation. However, nylon gears have lower load capacity and durability compared to metal gears, making them suitable for light to moderate duty cycles. For high-load continuous operation, metal gear servos are recommended despite increased weight and cost.
Can the HS-40 servo operate at voltages outside the 4.8V to 6.0V range?
Operating the HS-40 outside its specified voltage range is not recommended. Voltages below 4.8V result in insufficient torque and sluggish response, while voltages above 6.0V can damage internal components, particularly the potentiometer feedback circuit and motor windings. Always use a properly regulated power supply within the specified range. If your system requires different voltage levels, employ a dedicated servo power regulator module to maintain stable output voltage.
What control signal format does the HS-40 accept?
The HS-40 accepts standard PWM servo control signals with pulse width between 1000 and 2000 microseconds at 50Hz frequency. A 1500 microsecond pulse corresponds to center position, 1000 microseconds to full counterclockwise rotation, and 2000 microseconds to full clockwise rotation. This standard format is compatible with virtually all RC receivers, flight controllers, and microcontroller platforms including Arduino and Raspberry Pi.
How much does the HS-40 weigh and what are its exact dimensions?
The Hitec HS-40 weighs approximately 9 grams and measures 23mm in length, 12mm in width, and 22mm in height. These compact dimensions and minimal weight make it ideal for nano-scale applications where every millimeter and milligram impacts system design and performance. The small form factor allows integration into confined spaces that would be inaccessible to standard-size servos.
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.
Why Buy from The Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Hitec HS-40 Economical, Nano, Nylon Gear Servo Online in India
Purchase the Hitec HS-40 Economical, Nano, Nylon Gear Servo online at The Tech Depot, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Hitec HS-40 Economical, Nano, Nylon Gear Servo with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.