This new standard case 55kg servo A81BMWP is a PRO version A81BHMW, keep the same size but with superb powerful motor, suitable for the professional competition drivers who pursue the ultimate and extreme, or for the project engineer with limit budget but with high quality request.

Full aluminum case and structure, hardened steel gears and the advanced motor, excellent linearity and precision control. All these optimized to allow the servo produce 55KG 0.087Sec spec at 8.4V regular voltage. The servo is particularly suitable for large rc cars and giant aircraft and other demanding applications with an emphasis on high thrust and accuracy. Super fast response of the control electronics and high long-term durability.

Withstands immersion in water to a depth of 1 m for a 30-minute test run), it is suitable for off-road models of cars, ships and submarines - simply for places exposed to the effects of dust and moisture, with high demands on the tensile strength and overall mechanical resistance of the servo.

Feature
Smooth Three Ball Bearings
Fine Machining Aluminum Shell
Steel Gear and Structure
High Efficiency Long Life Brushless Motor
IP67 Waterproof & Dust-proof

Specification

Model Name: A81BMWP

Operating Voltage: 4.8-8.4V

Operating speed: 0.125sec/60° @ 6.0V

Operating speed: 0.100sec/60° @ 7.4V 

Operating speed: 0.087sec/60° @ 8.4V 

Stall Torque: 39 kg-cm (542 oz-in) @ 6.0V

Stall Torque: 48 kg-cm (667 oz-in) @ 7.4V

Stall Torque: 55 kg-cm (764 oz-in) @ 8.4V

Gear: Steel

Motor: BLS

Size: 40*20*37.5mm (1.57 x 0.78 x 1.46 in)

Weight: 83g 

Connector Wire: TYU 300mm