Etronix Twisted Servo Wire - Futaba - ET0749
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Product Information
Full details
The Etronix 30cm 22AWG Futaba Twisted Servo Wire (ET0749) is designed for hobbyists and model builders working with radio control systems, particularly those using Futaba connectors. Its primary benefit is reducing radio frequency interference (RFI) through its twisted pair design, ensuring cleaner signal transmission for servos. A potential caveat is its specific length and connector type, which may not suit all custom builds without adapters or extensions.
All features
| Series | Futaba |
|---|---|
| Model Part Number | ET0749 |
| Brand | Etronix |
Extended Product Information
FAQs
What does '22AWG' mean?
22AWG refers to the American Wire Gauge standard. A lower gauge number indicates a thicker wire, and 22AWG is a common and robust size suitable for most servo applications.
Why are the wires twisted?
Twisting the signal and ground wires together helps to cancel out electromagnetic interference (EMI) and radio frequency interference (RFI) that can degrade the signal quality, leading to more stable and precise servo operation.
Can I use this with JR or Hitec servos?
The connector is designed for Futaba systems. While the physical pin layout is often similar, it's best to use adapters designed for servo connectors if connecting to JR or Hitec systems to ensure proper fit and function.
How long is the wire?
The wire is 30cm (approximately 12 inches) in length.
Will this work for high-torque servos?
22AWG wire is generally sufficient for most standard and many high-torque servos. However, for very high-demand applications, check the servo manufacturer's recommendations for wire gauge.
Does the twisting affect flexibility?
The twisting adds a slight amount of stiffness compared to unshielded, non-twisted wires, but it remains flexible enough for typical RC installations.
Troubleshooting
Servo not responding or twitching intermittently
Ensure the Futaba connector is fully seated and correctly oriented on both the servo and the receiver. Check for any damage to the wire or connectors. If using with non-Futaba components, verify adapter compatibility.
Reduced range or control issues when multiple electronics are active
Confirm the twisted pair design is utilized effectively and not straightened out. Ensure other electronics (e.g., ESC, motor) are properly shielded and routed away from signal wires where possible. The twisted pair is designed to mitigate this, but best practice cable management is still important.
Wire feels stiff or brittle
This may indicate exposure to extreme temperatures. Store the wire in a moderate environment. Avoid prolonged exposure to direct sunlight or extreme cold.
Pros and Cons
Pros
- Reduces signal interference for improved control precision.
- Durable construction suitable for demanding hobby applications.
- Standard length is convenient for many RC projects.
- Direct compatibility with Futaba systems simplifies installation.
Cons
- Fixed 30cm length may require extensions for larger models.
- Futaba specific connector limits direct use with other brands without adapters.
- Twisted pair design adds minimal bulk compared to standard wires.
Setup, Compatibility & Care
Setup:
This servo wire is designed for plug-and-play use within compatible systems. Simply connect the Futaba-style male connector to your servo and the female connector to the corresponding servo port on your receiver or control board. Ensure the connection is secure and oriented correctly to avoid damage.
Compatibility:
- Primary Compatibility: Futaba servo systems and receivers.
- Adapters: While designed for Futaba, adapters can be used to connect to other brands' servo ports, though this may negate some of the interference reduction benefits if the adapter is not shielded.
- Wire Gauge: 22AWG is suitable for most standard servos. For high-demand, high-torque servos, ensure they do not exceed the current handling capacity of 22AWG wire over the given length.
Care:
- Avoid sharp bends or kinks in the wire, which can damage the internal conductors.
- Protect the wire from excessive heat, moisture, and abrasive materials.
- When routing wires, use zip ties or clips to secure them and prevent them from snagging or fraying.