Futaba
Futaba HPS-A704 For Airplanes (S.BUS)

Manufacturer: Futaba Corporation
Model: HPS-A704
HPS servo series for airborne use, recommended for F3A aircraft, offers a completely new piloting feel
The HPS series servo is ideal for F3A aircraft, delivering incredible torque with impressively low power consumption. It provides outstanding neutral accuracy and dependable torque while maintaining efficiency. In addition, it removes the usual compromise between speed, power, and energy use — achieving powerful performance with minimal energy draw. Moreover, its high-frequency control enables movements that feel exceptionally smooth, precise, and linear, giving pilots total confidence and control during every maneuver.
Features
F3A airplane recommended
Metal 1-3 gear
High strength metal final gear
New resin case
S.BUS method
HPS motor
New control board
High frequency control
Speed: 0.06sec/60°(7.4V) / 0.07sec/60°(6.6V)
Torque: 14kgf・cm (7.4V) / 12.5kgf・cm (6.6V)
Dimensions/Weight: 40.5 x 21.0 x 26.9mm / 48g