Model 820 Rotary Servo Actuator

The Model 820 is one of our most versatile actuators, offering integral servo electronics and multiple communication interfaces.

Operating Temperature	-40° to +71° C
Storage Temperature	-65° to +85° C
Operating Altitude Range	Up to 50,000 ft
Weight	1.2 lb max
No Load Speed @ 28 VDC	180° / sec

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Product Specifications

The Model 820 is a high performance rotary servo electromechanical actuator designed for extreme conditions and utilizes a brushless DC motor as its prime mover within the product. This actuator is used for surface positioning, throttle control and other utility functions on UAV and aerospace platforms. The actuator has been chosen to support new and existing programs.

FEATURES

Small size and weight
Power compatibility - 28 VDC buss
Power point - up to 230 deg/sec at 60 in-lbs
Torque output - up to 150 in-lbs
Brushless permanent magnet motor design
Position and torque limiting
High accuracy film transducer
Position output signal / feedback
Operates with various command inputs
Low backlash design
Stroke or displacement up to ±45 degrees, Moog will evaluate higher angular performance requirements as needed
High efficiency steel gearing

BENEFITS

Robust structural design
Mechanical stops
Low weight to power performance
Customizable

TYPICAL APPLICATIONS

Unmanned air vehicles — Unmanned air vehicles — tactical, medium altitude, long endurance (MALE), and high altitude long endurance (HALE) vehicles
- Flight control surface actuation
Optionally piloted air vehicles (OPV)
Utility actuation — throttle control, doors, spoilers
Electric aircraft, eVTOL, eSTOL, air taxis and urban air mobility vehicles — tilting mechanism, flight control, landing gear