BK servo BK Micro Size Cyclic Servo Model DS-3001HV
Are you looking for the ultimate micro servo? A servo that is not only high voltage compatible, but that can be used on ANY small helicopter, using blades ranging from 325mm to 380mm? Then look no further, the new DS-3001HV micro servo has more torque than any other servo in its class, it is very fast and fits on any "450 Class" helicopter.
 Features: - Weight: 20g (0.71oz)
 - Dimensions: 12x23x27 mm
 - Frequency: 1520us/333hz
 - Gear Type: Metal
 - Motor Type:  Coreless
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Speed: 
 - 0.09 sec/60 @5V
 - 0.07 sec/60 @6V
 - 0.06 sec/60 @7.4V
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Torque:
 - 3.68 kg/cm (51.1 oz/in) @5V
 - 4.7 kg/cm (65.3 oz/in) @6V
 - 5.8 kg/cm (80.5 oz/in) @7.4V
Goblin 380 Flight with BK Servos