HiTec HS-81 Standard Micro Analog Servo 4130 and effectively increases the maximum

and effectively increases the maximum continuous power of each XS motor

and 3D airplanes weighing around 5 Kg (11 lbs)

With the scale auxiliary oil tank

44 5250 11

Come with the build-in SPI Receiver CC2500

HiTec HS-81 Standard Micro Analog Servo 4130 and effectively increases the maximumThe HS 81 servo from Hitec is a top selling micro servo that comes in two options: resin or metal gears. It's a popular choice for smaller airplanes, helicopters, boats, cars, and trucks, as it provides a fine balance between speed and torque. Features: Top selling micro servo Strong three pole ferrite motor Durable nylon gears Accessories: Nylon Gear Set Link Plastic Case Set Link Applicable Horns HS 81 Servo Specifications: Performance