Micro high-speed servo for small electric RC models
The Futaba FUS3116 is presented as a micro-sized servo intended for small electric powered RC models. The description here focuses on practical fit, mounting considerations, and the role this servo plays in control and tuning rather than technical claims beyond its micro, high-speed designation.
Compatibility is centred on small electric RC platforms where space and weight are constrained. Before fitting, confirm the servo's physical envelope matches your model's bay or servo tray, and verify the receiver and BEC supply adequate rail power for servo operation. As with any micro servo, pay attention to available horn options and the mechanical interface to ensure clean linkage geometry and minimal binding.
Installation notes: plan for standard micro servo mounting patterns and secure the unit with appropriate screws and a small servo tray or adaptor if needed. Route servo leads away from moving parts and heat sources from the motor or ESC to maintain reliable connections during operation. For linkage attachment, select a horn and screw pattern that gives the control surface the desired throw while keeping travel within safe mechanical limits.
Tuning role: in small electric cars, boats, or light electric aircraft, a micro high-speed servo like this typically improves control responsiveness for steering or small control surfaces. Use endpoint adjustment and gentle expo in your transmitter to balance precision and control feel, and check for any unwanted oscillation after installation which may indicate the need for dampening or trim adjustments.
Specifications
- Item: FUTABA S3116 Hi-Speed Micro Servo
- Material: Not specified by manufacturer
- Model Number: FUS3116
- Compatibility: Small electric powered RC models
For projects where space and weight matter, the FUS3116 serves as a compact, high-speed option for steering and small control tasks; proper mechanical fit and transmitter tuning are essential to get the best control response.