Futaba S3101 Micro Servo Lightweight Precision Unit  [S3101]

Futaba S3101 Servo Micro Precision
Price:
AUD$66.53
Brand:
Futaba
Model:
S3101
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Precision packed into a small form

The Futaba S3101 is designed for RC enthusiasts who need precise servo action in a minimal footprint. Perfect for light aircraft and small models where space and weight are at a premium, it gives controlled, repeatable movements.

Build features and motion specs

Nylon gear trains combined with a 3-pole motor provide smooth operation and respectable longevity. The oilite bushing helps reduce friction, and the J type connector with a 5-inch cable makes for tidy installs. Speed figures are 0.18 sec/60 degrees at 4.8V and 0.14 sec/60 degrees at 6V for prompt control inputs.

Specifications

  • Speed: 0.18 sec/60° @ 4.8V, 0.14 sec/60° @ 6V
  • Torque: 35 oz/in @ 4.8V, 43 oz/in @ 6V
  • Dimensions: 28mm (L) x 13mm (W) x 30mm (H)
  • Weight: 17 grams
  • Connector Type: J type

An effective, compact servo suited to hobbyists building lightweight or space-constrained RC models.

How do I mount the servo in a confined cavity?

Measure the cavity against the servo dimensions and allow clearance for the 5-inch lead. Use low-profile mounting screws and secure the servo with foam or tape if space prevents standard mounts.

Is the torque sufficient for small electric models?

For light control surfaces and trims, the listed torque is generally adequate. For heavy or high-load surfaces, choose a higher torque servo to avoid strain on the nylon gears.

What connector care should I take?

Ensure the J type connector is seated correctly and that wires are routed to prevent snagging. Check connectors for corrosion and replace if contacts look worn.

Can this servo handle aerobatic control inputs?

The S3101 is good for lightweight models and light aerobatic work, but heavy or high-speed aerobatics that demand high torque may require a metal-geared, higher-spec servo.

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