RCX S9257 is a high speed, high torque digital servo suitable for 450 & 500 series helicopters. It is an excellent tail locking servo for 3D flight. It could also be used as a Swashplate Servo for larger helicopters (eg. 500 / 600 size helicopters).

Equipped with two ball bearings.

For use with the Futaba GY401 (FUTM0807, FUTM0808) and the GY502 gyros.

• Dead band: 0.002ms (Default)
  
• Control System: +Pulse Width Control
  
• Working Frequence: 1520μs / 80hz Digital mode/Analogy mode
  
• (RX) Required Pulse: 3.0~5.0 Volt Peak to Peak Square Wave
  
• Operating Voltage: 4.8~6.0 Volts DC
  
• Operating Temperature Range: -10 to + 60 Degree C
  
• Operating Speed (4.8V): 0.08 sec/60° degrees at no load
  
• Operating Speed (6.0V): 0.07 sec/60° degrees at no load
  
• Stall Torque (4.8V): 4.0 kg.cm
  
• Stall Torque (6.0V): 4.5 kg.cm
  
• 360° Modifiable: NO
  
• Motor Type: Coreless Motor
  
• Potentiometer Drive: Indirect Drive
  
• Driver Type: FET
  
• Bearing Type: Dual Ball Bearings
  
• Gear Type: Plastic Gear
  
• Programmable: YES
  
• Connector Wire Length: 18.0
  
• Dimensions: 35.5mm x 15.0 x 28.6mm
• Gear: 25T
• Weight: 25g

• 1 X RCX S9257 High Speed Digital Servo (4.5kg / 0.07sec / Tail & Swashplate Servo)
  
• 1 X Set of Servo Arm