HS-81 is a popular Hitec servo for power planes, heli’s, sail or boats, cars and trucks. The HS81 gives a good balance of speed and torque.HS-81 Servo SpecificationsPerformance SpecificationsOperating Voltage Range (Volts DC) 4.8V ~ 6.0VSpeed (Second @ 60°) 0.11 ~ 0.09Maximum Torque Range oz. / in. ..
The Hitec HS-815BB Mega sail arm servo has up to 140 degrees of travel and comes with a Heavy Duty 4.5 inch arm. With its dual ball bearing supported output shaft the HS815BB will provide years of reliable service in larger sailboat applications.FeaturesPowerful 4.9 inch Sail Arm with 140* MovementT..
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