Futaba HPS-AA702 – S.Bus2 High-Voltage Standard Airplane Servo
Extreme Speed, Power & Precision for Giant-Scale Aircraft
The Futaba HPS-AA702 is a high-performance, standard-size HV brushless servo engineered for demanding giant-scale aircraft applications. Combining an ultra-fast response with impressive torque and a rugged aluminum case, it delivers the speed, precision and reliability required for serious aerobatic flying.
At 7.4V, the HPS-AA702 delivers an outstanding 41 kg/cm of torque with an exceptional 0.075 sec/60° speed, making it an excellent choice for pilots who demand lightning-fast control response without compromising on power.
Featuring a custom high-power brushless motor, stainless-steel final gear and full aluminum housing, the HPS-AA702 is built to handle the demanding conditions of large-scale and high-performance RC aircraft.
The servo is fully programmable and compatible with Futaba S.Bus and S.Bus2 systems, with PC programming available via the CIU-2/CIU-3 USB adapter (sold separately).
It is also recommended as a high-performance upgrade for the BLS172SV, BLS177SV and HPS-AA700.
Key Features
- Designed for: All-purpose giant-scale aircraft
- Motor: Custom high-power brushless motor
- Technology: Programmable High-Voltage digital servo
- Compatibility: Futaba S.Bus & S.Bus2 systems
- PC Programmable: Compatible with CIU-2 / CIU-3 USB adapters (sold separately)
- Final Gear: Stainless steel
- Case: Aluminum upper, middle and bottom sections
- Recommended upgrade: BLS172SV / BLS177SV / HPS-AA700
Performance
- Speed @ 6.6V: 0.08 sec/60°
- Speed @ 7.4V: 0.075 sec/60°
- Torque @ 6.6V: 37 kg/cm
- Torque @ 7.4V: 41 kg/cm
Dimensions & Electrical Specifications
- Dimensions: 40.5 × 21 × 39.4 mm
- Weight: 80 g
- Rated Voltage: DC 6.0–7.4V
- Operating Voltage: DC 4.8–8.4V
The Aerobertics Touch
The HPS-AA702 is all about speed. With a response time of just 0.075 seconds at 7.4V, it is built for pilots who want immediate, precise and powerful control on demanding giant-scale aircraft.
At Aerobertics, we choose equipment for pilots who expect more — more speed, more precision and, above all, confidence when it matters.
