HKS-9257 High Speed Servo 4.5kg/ 25g/ 0.07sec (USA Warehouse)

HKS-9257 is a high speed, high torque digital servo, Suitable for HK500/Align Trex-500 size Helis.

Spec.
Dead band: 0.002ms (Default)
Control System: +Pulse Width Control
Working frequence: 1520μs / 80hz Digital mode/Analogy mode
(RX) Required Pulse: 3.0~5.0 Volt Peak to Peak Square Wave
Operating Voltage: 4.8~6.0 Volts DC
Operating Temperature Range: -10 to + 60 Degree C
Operating Speed (4.8V): 0.08 sec/60° degrees at no load
Operating Speed (6.0V): 0.07 sec/60° degrees at no load
Stall Torque (4.8V): 3.8 kg.cm
Stall Torque (6.0V): 4.2 kg.cm
360° Modifiable: NO
Motor Type: Coreless Motor
Potentiometer Drive: Indirect Drive
Driver Type: FET
Bearing Type: Dual Ball Bearings
Gear Type: Plastic gear
Programmable: YES
Connector Wire Length: 18.0 
Dimensions: 36x15.3x21.8 mm
Weight: 25 g

Equipped with two ball bearings.
For use with the Futaba GY401 (FUTM0807, FUTM0808) and the GY502 gyros.

Does not work with these Futaba radios (4FG, 5FG/K, 6FG, 6FG/K, 7FG/K New Terratop, 3EGX, 3PGE, 2NL, 2LGX, 2FR, 2PK series) These radios have a servo neutral signal of 1310us not compatible with this servo.
Do not use with AM radios.