The BLS915 is a powerful 20m servo that is often used on the swashplate of 550-800 size helicopters. However, it can of course also be used in fixed-wing models.

Technical Details:
Operating Voltage [V]: 6.0 - 8.4

Torque [kgf.cm]@6.0V: 18.0
Torque [kgf.cm]@7.4V: 22.0
Torque [kgf.cm]@8.4V: 25.0

Response Time [s/60°]@6.0V: 0.09
Response Time [s/60°]@7.4V: 0.08
Response Time [s/60°]@8.4V: 0.07

Width [mm]: 20.0
Length [mm]: 40.5
Height [mm]: 38.0
Weight [g]: 70.0

Motor Type: Brushless
Frequency Range: 1520µs/333Hz, 1000µs-2000µs
Gear Type: Steel
Bearing Type: 2BB
Gear Ratio: 25T-6
Servo Type: Standard
Electronics: Digital
Position Sensor: Potentiometer
Waterproof: No
Soft start: Programmable.
Programmable: Yes.
Manufacturer: KST.
Programmable with KST Tool #3 and KST Tool #5.