All SI Series servos all feature brushless motors and 4096 steps of resolution giving ultra precise control and low current draw. The SI Series servos feature a machined outer case which locates directly on the brushless motor to provide cooling, increasing efficiency and strength. Also features O Ring seals between case sections and even on the retaining screws. High Voltage are auitable for between 6.0v and 8.4v Direct lipo.
XP-SI-4401 HV Brushless Servo 16.56kg 0.090 Sec 7.4v Alloy Case 6.0-8.4v
XP-SI-4601-HV Brushless Servo 15.79kg 0.130 Sec 7.4v Alloy Case 6.0-8.4v
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