The coupler trip pin is adjusted at the factory for correct center line height

The ball bearing supported output shaft and sturdy gear trains are preferred for smaller glow and electric airplanes

Includes: Two Shock Bodies

Futaba R2004GF 2

Weight grams: 7

Hitec HS-81 Standard Micro Servo 31081S Drill Bits The coupler trip pin isHitec HS 81 Standard Micro Servo Description: You get two choices with Hitecs most popular servo the HS 81, resin or metal gears. A popular servo for smaller airplanes, helis, boats, cars and trucks, the HS 81 offers a fine balance between speed and torque. Specifications: Motor Type: 3 Pole Bearing Type: None Speed (4. 8V 6. 0V): 0. 11 0. 09 sec @ 60 deg. Torque oz. in. (4. 8V 6. 0V): 36 42 Torque kg. cm. (4. 8V 6. 0V): 2. 6 3. 0 Size in Inches: 1.