Futaba S3305 Standard-Size Metal-Gear Servo, High Torque  [S3305]

Futaba S3305 High-Torque Standard Servo w/Metal Gears
Price:
£33.57
Brand:
Futaba
Model:
S3305
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S3305 Servo Highlights

The Futaba S3305 is a compact standard servo fitted with metal gears and a 3-pole motor to provide dependable torque for steering and other control surfaces in hobby cars and boats. It connects via the Futaba J-style connector and includes a one-year warranty from the manufacturer.

Futaba designates NiCd battery packs as the recommended power source for this model and advises caution when using NiMH or LiPo since these chemistries can raise current draw. If using alternative packs, make sure your battery, BEC and receiver wiring can handle the servo's peak current to avoid voltage instability.

The S3305 adopts the standard mounting footprint used across many models and includes two ball bearings to reduce shaft play. Metal gears increase load tolerance and the supplied horn options support common linkage geometries. Mounting hardware is provided in the box to aid installation.

Packing includes

  • One Futaba S3305 High Torque Metal Gear Servo with 1.5" (39mm) diameter horn
  • 1.2" (32mm) 6 point horn
  • 4 eyelets
  • 4 rubber grommets
  • 4 mounting screws

Specifications

  • Item Futaba S3305 High-Torque Standard Servo
  • Model Number S3305
  • Material Metal gears
  • Dimensions 40 x 20 x 38 mm
  • Weight 47 g
  • Speed 0.25 sec/60° @ 4.8V, 0.20 sec/60° @ 6.0V
  • Torque 99 oz-in (7.1 kg-cm) @ 4.8V, 124 oz-in (8.9 kg-cm) @ 6.0V
  • Bearings Two ball bearings
  • Motor 3-pole motor
  • Connector Standard Futaba J style connector
  • Includes Horns, eyelets, rubber grommets, mounting screws
  • Warranty One year

When fitting the S3305 in your model, select the horn that matches your linkage geometry and verify your power delivery and mounting arrangement to ensure reliable operation under peak load conditions.

How do I confirm the S3305 will fit my servo bay?

Compare the servo body dimensions and hole spacing to your chassis or mount before installing; the S3305 uses the common standard form-factor but checking measurements avoids any last-minute fit issues.

What power precautions should I take when upgrading servos?

When using higher-performance servos like the S3305, ensure your power wiring, BEC capacity and receiver connections are sized for peak current so other electronics do not experience voltage sag during heavy servo loads.

Which horn suits rapid steering input?

For faster steering response you may prefer the shorter 1.2" (32mm) 6-point horn which reduces throw and speeds up endpoint movement; the larger 1.5" horn gives more leverage but slower angular speed.

Does the unit ship with all required mounting hardware?

Yes, the unit includes four eyelets, four rubber grommets and four mounting screws along with two horn choices so you have the standard items needed for mounting in most standard bays.

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