HS-5985MG
The HS-5985MG (replaces the HS-5945MG) offers the same technology as the HS-5965MG servo but with a lower gear ratio. As you can see from the specifications listed, the servo gains up to 53 oz-in. of torque yet still maintains a very fast transit time of .13 seconds to 60°. Coreless motors lack the iron core that standard motors use. The standard iron core is replaced with an epoxy resin that does not have a core at all. Coreless motors are much lighter and offer greater power which is one reason for the HS-5985MG's amazing 172 oz-in. of torque. Combining this technology with digital circuitry makes for one extremely fast and powerful servo. Special alloy gears called "Alumite" offer tremendous strength yet are lightweight as well.
172 oz/in
*Digital servos do not need to be programmed to operate. They work great right out of the box and purchasing a programmer is not necessary.
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$89.99 each
Control System: +Pulse Width Control 1500usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.16sec/60° at no load
Operating Speed (6.0V): 0.13sec/60° at no load
Stall Torque (4.8V): 144 oz/in. (9.6kg.cm)
Stall Torque (6.0V): 172 oz/in. (12.4kg.cm)
Operating Angle: 45 Deg. one side pulse traveling 400usec
360 Modifiable: Yes
Direction: Clockwise/Pulse Traveling 1500 to 1900usec
Current Drain (4.8V): 5.3mA/idle and 400mA no load operating
Current Drain (6.0V): 6.6mA/idle and 500mA no load operating
Dead Band Width: 4usec
Motor Type: Coreless
Potentiometer Drive: Indirect Drive
Bearing Type: Dual Ball Bearing
Gear Type: 3 Metal Gears and 1 Resin Metal Gear
Connector Wire Length: 11.81" (300mm)
Dimensions: 1.55" x 0.78"x 1.48" (39.4 x 20 x 37.8mm)
Weight: 2.18oz. (62g)