FAQ: Tell me about Futaba S-U400 Digital Standard High Voltage S.Bus2 Servo 0.13s/7.9Kg

Q: Tell me about Futaba S-U400 Digital Standard High Voltage S.Bus2 Servo 0.13s/7.9Kg

A: # Unveiling the Power of Precision: Futaba S-U400 Digital Standard High Voltage S.Bus2 Servo 0.13s/7.9Kg

When it comes to building high-performance RC models, the choice of components can make or break your experience. One such critical component is the servo, responsible for translating your commands into precise movements. Enter the **Futaba S-U400 Digital Standard High Voltage S.Bus2 Servo** — a standout choice for hobbyists and professionals alike. In this blog, we will delve deep into the features, benefits, and applications of this powerhouse servo to help you understand why it’s a must-have for your RC setup.

## What Makes the Futaba S-U400 Servo Stand Out?

### 1. Advanced High Voltage Capability

One of the defining features of the Futaba S-U400 is its high voltage capability. Operating efficiently at voltages ranging from 6.0V to 7.4V, this servo promises improved performance and longevity.

– **Increased Torque and Speed:** At 7.4V, the S-U400 delivers an impressive torque of 7.9Kg.cm and a speed of 0.13s/60°, making it ideal for demanding applications.
– **Enhanced Efficiency:** Running at higher voltages reduces current draw and improves overall efficiency, ensuring longer run times for your models.

### 2. Digital Precision

Digital servos like the S-U400 are known for their precision and reliability. The microprocessor-driven control ensures that each movement is exact, providing a smoother and more responsive control experience.

– **Accurate Positioning:** With its advanced electronics, the S-U400 offers precise control, crucial for applications requiring finesse and accuracy.
– **Reduced Deadband:** Digital circuitry minimizes the deadband, resulting in quicker response times and more precise maneuvers.

### 3. S.Bus2 Compatibility

The S-U400 is equipped with S.Bus2 technology, which allows for simplified wiring and enhanced functionality.

– **Simplified Setup:** S.Bus2 allows multiple servos to be connected in series, reducing the complexity and weight of the wiring.
– **Programmable Features:** With S.Bus2, you can program the servo for custom settings, such as direction, speed, and fail-safe options, using a compatible Futaba transmitter or programmer.

## Key Specifications

– **Speed:** 0.13 seconds per 60 degrees at 7.4V
– **Torque:** 7.9 kg.cm at 7.4V
– **Dimensions:** 40.0 x 20.0 x 37.2 mm
– **Weight:** 44 grams
– **Connector:** S.Bus2
– **Operating Voltage:** 6.0V to 7.4V

## Applications: Where Can You Use the Futaba S-U400?

The versatility of the Futaba S-U400 makes it suitable for a wide range of applications across different RC models:

– **Aircraft:** Use in aircraft models for precise control of ailerons, elevators, or rudders. The high voltage capability ensures it can handle the demands of larger planes.
– **Helicopters:** Ideal for swashplate control, providing the precision required for 3D aerobatics.
– **Cars and Trucks:** Perfect for steering or throttle applications in high-performance RC cars, where speed and precision are crucial.
– **Boats:** Excellent for rudder control, ensuring smooth and responsive navigation on water.

## Why Choose Futaba S-U400?

### Durability and Reliability

Built to withstand the rigors of RC applications, the S-U400 is designed with high-quality materials and engineering excellence. Its robust construction ensures it can handle the stresses of high-speed maneuvers and rough terrains.

### Ease of Use

With its plug-and-play design, the S-U400 is user-friendly, even for beginners. The S.Bus2 compatibility simplifies installation and allows for easy customization.

### Futaba Reputation

Futaba is a name synonymous with quality and innovation in the RC industry. Choosing the S-U400 means you’re investing in a product backed by decades of expertise and customer satisfaction.

## FAQs

### How do I program the S-U400 Servo?
You can program the Futaba S-U400 using a compatible Futaba transmitter with S.Bus2 capabilities or through a dedicated Futaba programming device.

### Can the S-U400 be used in low-voltage applications?
While it’s optimized for high voltage, the S-U400 can operate at 6.0V, though performance in terms of speed and torque will be reduced compared to 7.4V.

### Is the Futaba S-U400 waterproof?
The S-U400 isn’t specifically marketed as waterproof. For water-based applications, additional waterproofing measures may be necessary.

## Conclusion

The **Futaba S-U400 Digital Standard High Voltage S.Bus2 Servo** is an exemplary choice for RC enthusiasts seeking precision, power, and reliability. Whether you’re upgrading your current setup or building a new model, the S-U400 provides the performance edge needed to elevate your RC experience.

Ready to take your RC models to the next level? Explore the Futaba S-U400 and more at TamiyaModel.com, your trusted source for quality RC components.

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