Futaba S9255 High-Torque Digital Servo for Helicopters  [S9255]

Futaba S9255 High-Torque Heli Digital Servo
Price:
£70.21
Brand:
Futaba
Model:
S9255
Condition:
Brand New
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High-Performance Control with Futaba S9255

The Futaba S9255 High-Torque Digital Servo has been engineered for helicopter use, offering steady torque and precise positioning for demanding flight tasks. Its construction targets durability and accurate control feel.

Features Tailored to Helicopter Use

  • Heavy Duty Wiring: Heavy gauge wiring supports stable current delivery to the motor under peak loads.
  • Ball Bearing Output Shaft: Delivers low-friction rotation for reliable cyclic and tail movements.
  • Metal Gears: Sturdy gear set designed to resist wear during high-torque operation.
  • Coreless Motor: Minimised armature mass for faster actuation and smoother control inputs.

Specifications

  • Speed: 0.16 sec/60° at 4.8V
  • Torque: 125 oz-in (9.0 kg/cm) at 4.8V
  • Weight: 1.9 oz (55g)
  • Dimensions: 1.6 x 0.8 x 1.4 inches (40 x 20 x 37mm)

For model helicopter pilots seeking a balance of torque and smooth response, the Futaba S9255 offers dependable performance and robust gearing to handle frequent flying and precise control needs.

At around 55g, the servo adds measurable mass, so consider its placement and overall weight balance when fitting to maintain desired centre of gravity and handling.
Upgrading to stronger horn materials or reinforced linkages can improve durability. Ensure any replacements are compatible with the S9255 spline pattern and mounting positions.

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