The HD-1800A is a great servo for tiny applications like foam planes. The lead is terminated with a standard “JR”-style connector, which is Futaba-compatible. Mounting screws and an assortment of servo horns is included with this servo. You can find more information about this servo in this  

Click to Download HD-1800A Data Sheet

Specifications:

• Torque:
  • 13.8 oz/in at 4.8v (1.0 kg/cm)
  • 18 oz/in at 6v (1.3 kg/cm)
     
• Speed:
  • .11 sec at 4.8V
  • .08 sec at 6V
     
• Voltage: 4.8v to 6v
• Weight: .28oz (8g)
• Size: .82 x .46 x 1.04 in (20.8 x 11.6 x 26.5 mm)
   
• Analog
• Free-run current at 6V: 140mA
• Stall current at 6v: 460 mA
• Lead Length: 6 in
• Hardware included
• Suitable for F3P/EPP/KT Airplanes