Rotary Servo Actuators • Linear Actuators • Ampliers • Transducers
A complete product line of actuator solutions for
the most demanding applications.
• Military and Commercial Aircraft
• Target Drones
• Unmanned Vehicles
• Military Land and Sea Vehicles
• Military Security Applications
Rotary Servo Actuators
Moog Components Group has been
designing and producing specialized high
technology and utility electromechanical
actuators for over 20 years. Total in-house
design, engineering and manufacturing
expertise for these products.
Rotary Servo Actuators
Rotary brush motor se rvo actua tors
utilize brush-type DC motors using both
Alnico and rare earth magnets. These
units have been designed with separate
or imbedded analog or digital ampliers,
spur gearing and pot entio meters as
feedback devices. Typical applications
include UAV, RPV, target drones and utility
aircraft applications.
Model 808
The 808 Rotary
Servo Actuator is
used to position
the control surfaces and utility functions
of a reconnaissance unmanned air vehicle
and is designed to operate under extreme
environmental conditions.
• Size: 1.1 x 2.7 x 4.0 inches
• Power: 28 VDC
• Peak torque: 100 in-lbs max
• Lightweight
• Robust structural design
• High efciency steel gearing
• Mechanical stops
• Environmental seal
• Embedded controller
• Internal mechanical slip clutch to prevent
gear damage when impacting the stops
• Hybrid output stage
• Internal torque limiting
• Surface mount implementation
• RS-422/RS-485 command options
• ±10 VDC analog command
• R/C command option
• 3 gear ratios available
• No load speed: 150-510 deg/sec
depending on gear ratio
• Rated load and speed: consult factory
for motor and gear ratios
• Stroke: ±51.5° and others available
Moog Components Group • www.moog.com/components
Model 813
The Model 813
Rotary Brushless
Actuator is an
antenna azimuth
drive servo actuator
used for airborne radar applications
including scan and sector modes.
• Size: 4.33 diameter x 7.76 inches long
from back of brake to front of mounting
ange
• Power: 28 VDC
• Rated Power Point: 320 in-lbs @ 25 rpm
• Weight: 12.5 lbs
• Rare earth brushless DC resolver
commutated motor
• Fail-safe electromagnetic brake with
manual disengage
• Robust structural design
• Low endplay
• Harmonic Drive™ gearbox
• Front ange mount
• Stroke: continuous rotation
• No-load speed: 45 rpm
• Low temperature operation to -94º F
with heat blanket
The Model 817
The Model 817 Rotary Servo Actuator is
used to position the control surfaces of a
target drone or unmanned air vehicle and
is designed to meet the extreme operating
and environmental conditions including
submersion in water.
• Size: 1.60 x 4.51 x 5.00 inches from front
of mounting ange to rear of housing
• Power: 28 VDC
• Rated Power Point: 80 in lbs @ 125 deg/sec
• Weight: 2.8 lbs
• Stall torque: 300 in-lbs
• NFeB brushless DC motor with Hall
sensor commutation
• ±10 VDC or ±15 VDC command signal
input
• Electronic position and torque limiting
• Position output command
• Current output signal option
• Film position transducer
• Robust structural design
• Low endplay
• High efciency steel gearing
• Front mount
• Stroke: ±30° 0r ±90° electrical stroke
• No-load speed: 137 deg/sec
• Bandwidth to 10 Hz
• Non-jamming mechanical stops
• Sealed to withstand submersion to 10
feet of water
Model 819 and 820
The 819 and 820
Rotary Servo
Actuators are used
to position the throttle and control surfaces
of a Remotely Piloted Vehicle (RPV).
These actuators are designed to operate
under extreme environmental conditions.
• Size: 1.5 x 3.2 x 4.5 inches
• Power: 28 VDC
• Power point:
819 - 4.4 deg/sec @70 in-lbs
820 - 160 deg/sec @80 in-lbs
• Weight: 1.2 lbs
• Peak torque: 150 in-lbs*
• Brushless DC motor
• Electronic position and torque limiting
• Film position transducer
• Position output signal
• RS-422/RS-485 command options
• ±10 VDC input command signal
• R/C command option
• Low backlash
• Robust structural design
• Mechanical stops
• High efciency steel gearing
• No load speed:
819 - 6.0 deg/sec*
820 - 190 deg/sec*
• Stroke: ±45°, plus others
*Typical values. Contact factory
for available gear ratios.
Model 865-66
The Model 865-66
Rotary Servo Actuator is
used to position the control
surfaces of a reconnaissance
unmanned air vehicle, and is designed
to operate under extreme environmental
conditions.
• Size: 2.3 x 4.75 x 5.0 Inches
• Power: 28 VDC and ±15 VDC
Rotary Servo Actuators
Rotary Servo Actuators
• Weight: 3 lbs
• Peak torque: 300 in-lb
• SmCo permanent magnet DC motor
• Electronic position and torque limiting
• Film position transducer
• Position output signal
• ±10 VDC input command signal
• Current output signal
• Low backlash
• Robust structural design
• Mechanical stops
• High efciency steel gearing
• No load speed: 160-220 deg/sec
• Stroke: ±46°
Model 905-01/-04
The Model 905 Rotary Servo Actuator
is used to position the control surfaces
of the AQM-37D target drone and is
designed to operate under extreme
environmental conditions.
• Size: 2.3 x 4.9 x 5.4 inches
• Power: 28 VDC and ±15 VDC
• Power point: 150 in-lbs @ 175 deg/sec
• Weight: 3 lbs
• Peak torque: 300 in-lbs
• Analog command input
• SmCo permanent magnet DC motor
• Electronic position and torque limiting
• Film position transducer
• Fail-safe brake (-01 only)
• ±10 VDC input command signal
• Low backlash
• Robust structural design
• High efciency steel gearing
• Mechanical stops
• Position output signal
• No load speed: 250 deg/sec
• Stroke: ±33°
Model 915
The Model 915
Rotary Servo
Actuator is used to
position the control
surfaces of the QF-4
unmanned air vehicle and is designed
to operate under extreme environmental
conditions.
• Size: 4.95 x 4.5 x 6.2 inches
• Power: 28 VDC
• Weight: 7 lbs
• Peak torque: 300 in-lbs
• Analog command input
• Electronic position and torque limiting
• Film position transducer
• Output shaft disconnect clutch
• Low backlash
• ±10 VDC input command signal
• Robust structural design
• High efciency steel gearing
• Position output signal
• No load speed: 250 deg/sec
• Stroke: ±46°
Model 935
The Model 935 Rotary
Servo Actuator is used
to position the control
surfaces plus utility
ap plic atio ns un mann ed ai r ve hicles.
This unit is design to oper ate unde r
demanding environmental requirements
seen worldwide.
• Size: 2.33 x 4.80 x 5.60 inches
• Power: 28 VDC
• Rated Power Point: 350 in lbs @ 120 deg/sec
• Weight: 3.2 lbs
• Stall torque: 600 in lbs
• SMCO permanent magnet DC brush
motor or rare earth brushless DC motor
• ±10 VDC analog input command
• R/C command option
• RS-422/RS-485 command options
• Robust structural design
• Low endplay
• High efciency steel gearing
• Position and current output signal
• Electronic position and torque limiting
• Non-jamming mechanical stops
• Film position transducer
• Front ange mount
• Stroke: ±46º electrical stroke
• No-load speed: 180 deg/sec
• Bandwidth to 8 Hz
• MTBF: 5000 hr
Model 940
The Model 940 Rotary
Brushless Actuator is
qu alif ied for air born e
applications to control the
rotational function of the
aircraft’s targeting system.
Th e act uato r ope rat es as a
position servo with an external controller.
• Size: 3.188 x 3.15 x 4.69 inches long from
back of brake to rear of mounting ange
• Power: 270 VDC
• Rated Power Point: 165 in lb @ 231 rpm
• Weight: 2.8 lbs
• Rare earth brushless DC resolver
commutated motor with thermister
• Fail-safe electromagnetic brake
• Robust structural design
• Low endplay
• High efciency planetary steel gearing
• Front ange mount (rear surface)
• Stroke: continuous rotation
• Stall torque: 190 in lbs minimum
• No-load speed 312 rpm
• 1 & 5 speed position resolvers
Model 946-01
(not for new designs)
The Model 946
Servo System
which is
qualied for use
on the AQM-37C target is congured
with three components: a servo amplier
Model 94610000, a Rotary Aileron Actuator
Model 94620000 and a Rotary Canard
Actuator Model 94630000. The servo
accepts an analog command signal to
control the actuators output position.
• Size: 2.33 x 4.8 x 4.54 inches
• Voltage: 28 VDC and 28 VDC regulated
• Weight: 4 lbs
• Analog command input
• SmCo permanent magnet DC motor
• Electronic position and torque limiting
Moog Components Group • www.moog.com/components
Rotary Servo Actuators
• Film position transducer
• Canard E.M. brake
• Low backlash
• Robust structural design
• High efciency steel gearing
• Position output signal
• Stroke: ±36.5° Aileron
43.8° CW Canard / 29.2° CCW Canard
Model 980-10 and 980-20
The Model 980 Rotary Brushless Actuator
System is an antenna azimuth drive servo
actuator system consisting of the actuator
motor/gearhead, separate controller and
interconnecting cables. The system is used
for ground vehicle radar applications in full
and sector scan modes.
• Size: 4.06 x 4.06 (over mounting ange)
x 14.00 inches from rear of motor
assembly to front of mounting
ange (Model 98000000-10 Actuator)
• Size:11.0 x11.0 mounting base x 7.00
inches high (Model 98000000-20 Drive
Controller)
• Rated Power Point: 168 in lb @ 183 rpm
• Weight: 17.3 lbs actuator only
• Input Power: 3 Phase 120/208 400 Hz
• Rare earth brushless DC Hall sensor
commutated motor with thermistors
• Encoder rate feedback
• Robust structural design
• Low endplay
• High efciency planetary steel gearing
• Front ange mount
• Stroke: continuous rotation
• Stall point: 1,650 in lbs
• No-load speed: 230 rpm (limited by
controller)
• Scan, sector and stare modes
• Bit test outputs
• Separately package drive controller
that accepts RS-232 commands
Moog Components Group • www.moog.com/components
Model 873
The Model 873 Rotary Brushless Actuator
is used to control
the rotational
function of the
aircraft’s night
vision targeting
system.
• Size: 1.6 x 3.5 x 5.8 inches
• Power: 150 VDC and ±15 VDC
• Power point: 40 in-lb @ 621 rpm
• Weight: 3.9 lbs
• Peak torque: 135 in-lbs
• ±10 VDC analog command input
• SmCo permanent magnet DC
brushless motor
• 1 & 16 speed resolver
• Fail safe brake
• Very low backlash
• Robust structural design
• High efciency steel gearing
• No load speed: 660 rpm
Model 874
The Model 874 Rotary
Brushless Actuator is
us ed to con trol the
derotational function
of the aircraft’s night
vision targeting system.
• Size: 1.25 x 2.35 x 4.0 inches
• Power: 150 VDC and ±15 VDC
• Power point: 12 in-lb @ 660 rpm
• Weight: 1.4 lbs
• Peak torque: 30 in-lbs
• ±10 VDC analog command input
• SmCo permanent magnet DC
brushless motor
• 1 speed resolver
• Tachometer
• Very low backlash
• Robust structural design
• High efciency steel gearing
• No load speed: 790 rpm
Model 875
The Model
875 Rotary
Brushless Actuator is used to control the
shroud function of the aircraft’s night vision
targeting system.
• Size: 2.2 x 2.6 x 6.8 inches
• Power: 150 VDC and ±15 VDC
• Power point: 21 in-lb @ 230 rpm
• Weight: 3.0 lbs
• Peak torque: 46 in-lbs
• ±10 VDC analog command input
• SmCo permanent magnet DC brushless
motor
• 1 speed resolver
• Tachometer
• Fail-safe brake
• Very low backlash
• Robust structural design
• High efciency steel gearing
• No load speed: 320 rpm
Model 905-30
The Model 905-30
Rotary Servo
Actuator is used
to position the
control surfaces of a
reconnaissance unmanned
air vehicle and is designed to operate
under extreme environmental conditions.
• Size: 2.3 x 4.9 inch foot print and 5.4
inches long
• Power: 28 VDC
• Power point: 150 in-lb @ 25 rpm
• Weight: 3.0 lbs
• Peak torque: 300 in-lbs
• ±10 VDC analog command input
• Brushless permanent magnet DC motor
• Electronic position and torque limiting
• Film position transducer
• Position output signal
• Current output signal
• Low backlash
• Robust structural design
• High efciency steel gearing
• Mechanical stops
• Bandwidth to 10 Hz
• No load speed: 35 rpm
• Stroke: ±46°
Model 917
Our military
qualied Model
917 Rotary
Brushless
Actuator is an azimuth drive servo for an
airborne rate and position antenna
Rotary Servo Actuators
system. The Model 918 Servo Actuator
provides the pitch roll-yaw functioning for
this system.
• Size: 11.30 x 4.59 x 6.53 inches
• Power: 115 VRMs, 400 Hz
• Weight: 11 lbs
• Command: ±10 VDC
• Position feedback: resolver
• High efciency steel gearing
• Rate feedback: brushless DC tachometer
• Fail-safe brake: optional
• Inertial loads: to 4200 lbs-in
• Scan Modes: 48, 91, 96, 153, 160, 320
480 and 960 rpm
• Sector Mode : ±48°
• Bit test outputs
• Robust structural design
• MTBF: 5000 hrs
Model 918
Our military
qualied Model
918 Rotary Brushless
Stepper Actuator controls
the pitch-roll-yaw function of an antenna
system in conjunction with the Model 917
azimuth drives.
• Size: 4.06 x 2.50 x 4.35 inches
• Power: 20 VDC
• Weight: 2 lbs
• Command: ±10 VDC
• No-load speed: 300 rpm
• Fail-safe brake: none
• Inertial loads: 3 lb-in
• Position accuracy: ±0.5°
• Backlash: 30 arc-minutes
• MTBF: 5000 hrs
• Stroke: ±3600°
• Robust structural design
• High efciency steel gearing
Model 961 and 962
Our Model 961 Rotary Actuator in conjunction
with the Model 962 Transconductance
Amplier may be used for the antenna’s
azimuth and elevation rotary function, or
similar high torque applications.
2
2
• Size: 3.055 x 3.055 x 8.24 (961 only)
• Power point: 750 in-lb @ 30 rpm
• Weight: 13.6 lbs
• Peak torque: 1100 in-lbs
• Qualied design
• Rugged construction
• Brushless permanent magnet DC motor
• Broad operating temperature range
• E.M. brake with manual operation
• 150 VDC system
• ±10 VDC position command signal
• No load speed: 40 rpm
Model 965
The Model 965 Rotary
Servo Ac t u a t o r i s
used to position the
control surfaces plus
utility applications in
unmanned air vehicles.
This unit is designed to operate under the
demanding environmental requirements
seen worldwide.
• Size: 3.50 x 7.10 x 8.90 inches long from
front of mounting ange to rear of housing
• Power: 28 VDC
• Rated Power Point: 2200 in lbs @ 35
deg/sec
• Weight: 10.7 lbs
• Peak torque: 2500 in lbs
• SMCO permanent magnet DC brush motor
• ±10 VDC analog input command
• Robust structural design
• Low endplay
• High efciency steel gearing
• Position output signal
• Electronic position and torque limiting
• Non-jamming mechanical stops
• Film position transducer
• Front ange mount
• Stroke: ±45º electrical stroke
• Bandwidth to 8 Hz
• No-load speed: 87 deg/sec
• MTBF: 5000 hr
Model 971
Our military qualied Model 971 Rotary,
Brushless, Stepper
Motor. Limited
Rotation Trim
Actuator for the
military helicopter.
• Size: 3.0 x 3.48 x 6.56 inches
• Power: 28 VDC
• Weight: 3.2 lbs
• Holding torque: 200 in-lbs
• Command: four phase stepper motor
control from an external amplier
• Stroke: ±30°
• Step rate: 1 rpm
• Step size: 0.1°
• Load rate: 15 in-lbs @ 0.6 rpm
• Eddy current damper
• Backlash: 0.15°
• MTBF: 5000 hrs
Model 993
Our Model
993 Rotary
Servo Actuator
provides mechanical
valve control of the
aircraft’s hydraulic ight control surfaces.
• Size: 4.10 inch diameter x 7.9 inches
• Power: 28 VDC
• Power point: 200 in-lb @ 96 deg/sec
• Weight: 7.4 lbs
• Peak torque: 205 in-lb
• Brushless motor with Hall sensor
electronic commutation
• Brushless RVDT position transducer
• Derived tach signal
• BIT logic outputs
• Robust structural design
• Clutched output
• High efciency spur gearing
• Pulse width modulated motor power
• Tach signal output
• ±10 VDC input command signal to
position signal output
• Torque output limit electronics
• Position or rate servo operation
• Low backlash
• High reliability - 60,000 hour MTBF
• No load speed: 110 deg/sec
• Stroke: ±120°
Moog Components Group • www.moog.com/components
Rotary Servo Actuators / Linear Actuators
6
Rotary Servo Actuators / Linear Actuators
Model 995
Our 995 Rotary
Servo Actuator
provides mechanical
control of the
aircraft’s rudder yaw
dampening function
during autopilot engagement.
• Size: 4.50 x 5.70 x 2.70 inches
• Power: 28 VDC
• Power point: 60 in-lb @ 60 deg/sec
• Weight: 3.96 lbs
• Peak torque: 70 in-lb
• Brushless motor with Hall sensor
electronic commutation
• Brushless RVDT position transducer
• Derived tach signal
• BIT logic outputs
• Robust structural design
• Clutched output
• High efciency spur gearing
• Pulse width modulated motor power
• Tach signal output
• ±10 VDC input command signal to
position signal output
• Torque output limit electronics
• Position or rate servo operation
• Low backlash
• High reliability - 60,000 hour MTBF
• No load speed: 80 deg/sec
• Stroke: ±21°
Model 996
The Model 996
Rotary Servo
Actuator provides
auto throttle operation
as derived by the
aircraft’s ight control surfaces.
• Size: 5.80 x 4.80 x 5.60 inches
• Power: 28 VDC
• Power point: 210 in-lb @ 30 deg/sec
• Weight: 6.7 lbs
• Peak torque: 220 in-lbs
• Brushless motor with Hall sensor
electronic commutation
• 26 VAC, 400 Hz synchro position
transducer
• ±10 VDC rate signal
• Derived tach signal
• BIT logic outputs
• Robust structural design
• Worm and worm wheel output (irreversible)
• High efciency spur gearing
• Tach signal output
• Torque output limit electronics
• Low backlash
• High reliability - 60,000 hour MTBF
• Mechanical interface with cable shaves,
clutches and pilots throttle quadrant
• No load speed: 33 deg/sec
Linear Actuators
Linear Actuators translate rotary motion
to linear motion. They have the same
features and similar applications as rotary
units.
Model 310
The model 310
linear actuator
was designed
to control the cyclic and collective feel on
a helicopter.
• Size: 2.0 x 3.34 x 8.42 inches
• Power: 28 VDC
• Power point: 300 lbs @ 0.45 in/sec
• Weight: 4.5 lbs
• Peak force: 1000 lbs
• Uses C-13 rare earth permanent magnet
brush motor
• Limit switches
• Robust design with steel gearing and
power screw
• Environmentally sealed
• EMI lter
• Fail-safe brake
• No load speed: 0.6 in/sec
• Stroke: 3 in
Model 801/973
The Model
801/973 LinearServo Actuator is used to
position the pitch of the rotor blades on a tilt
rotor unmanned aerial vehicle. It is designed
to operate under extreme environmental
and endurance conditions. The controller
servo amplier is externally located.
(Model 801) Size: 3.25 x 3.56 x 10.42
inches retracted
(Model 973) Size: 3.25 wide x 3.56 x
11.17 inches retracted
• Power: 28 VDC
• Rated power point:
185 lb @ 1.60 in/sec (Model 801)
350 lb @ 1.50 in/sec (Model 973)
• Weight: 6.3 lb
• Two NFeB permanent magnet DC brush
motor/tachometers
• Two RVDT’s
• Robust structural design
• Low endplay
• High efciency steel gearing
• Monoball end-tting mount
• Ball screw/nut power screw assembly
• Stroke:
(Model 801) 4.78 inches Electrical stroke
(Model 973) 4.50 inches Electrical stroke
• Stall load: 1,120 lbs
Model 802
The Model 802 Linear Servo Actuator
is used to position the nacelles
on a tilt rotor unmanned
aerial vehicle during ight
conversion modes. It is
designed to operate
under extreme
environmental
and endurance
conditions.
• Size: 3.33 x 3.56 x 17.44 inches long
• Power: 28 VDC
• Stroke: 11.70 inches electrical stroke
• Rated Power Point: 800 lb @ 0.75 in/sec
• Weight: 8.0 lbs
• Two NFeB permanent magnet DC brush
motor/tachometers
• Two RVDT’s
• Robust structural design
• Low endplay
• High efciency steel gearing
• Monoball xed end tting and two
bushings on traveling nut for mounting
• Ball screw/nut power screw assembly
Model 974
The Model 974 Linear Servo Actuator
is used to position the nacelles on a tilt
rotor unmanned aerial vehicle during
ight conversion modes. It is designed to
operate under extreme environmental and
endurance conditions.
Moog Components Group • www.moog.com/components
Linear Actuators - Ampliers - Transducers
Linear Actuators / Ampliers / Transducers
7
• Size: 3.88 x 4.75 x 14.75 inches long
• Power: 28 VDC
• Rated power point: 1500 lb @ 0.26 in/sec
• Weight: 8.1 lbs
• Two NFeB Permanent Magnet DC brush
motors
• Two failsafe electromagnetic brakes
• Robust structural design
• Low endplay
• High efciency steel gearing
• Trunnion mount for xed end and traveling
nut endtting
• Ball screw/nut power screw assembly
• Stroke: 7.25 inches electrical stroke
• No-load speed: 0.87 in/sec
Ampliers
Ampl ifiers are used to
control the actuators when
the drive electronics are
located seperately outside
the actuators.
Model 871-01
150 VDC transconductance amplier
used with the Model 873 Rotary Actuator.
Model 911-01
270 VDC brushless motor controller for a
pump system on a military armored vehicle.
Transducers
Transducers have been employed on both
military and commercial aircraft to provide
position feedback information of flight
control surfaces to the ight computers,
autopilots and cockpit displays.
Model 800-XX
Our Model 800 Series Position
Transmitter monitors the stabilizer position
of the Boeing 757 and 767 commercial
aircraft.
• Input voltage: 28 VRMS, 400 Hz
• Position switches (up to 6)
• Rotary variable differential transformer
(RVDT)
• 1 speed synchro
• Flame arrestor
• Anti-backlash gearing
• Robust structural design
• High efciency steel gearing
• Size: 4 inch OD x 5.2 inches long
Model 932-02
The Model 932-02 is designed for shaft
position sensing such as aileron and
elevator cable position on the C5 military
transport.
Model 933-01
The ap position
transducer is used in
C-5 military transports
to convert the
mechanical position of
the aps to appropriate
electrical signals for position indication.
• Input voltage: 26 VAC, 400 Hz
• Consists of 2 synchros and input shaft
• 4:1 gearing
• Single electrical connector for interfacing
the excitation voltages and the synchro
ouput signals
Model 943-XX
The Model 943 Position
Transmitter monitors
the stabilizer position
of the Boeing 747- 400
commercial aircraft.
• Input voltage: 28 VRMS, 400 Hz
• Rotary variable differential transformer
(RVDT)
• 1 speed synchro
• Flame arrestor
• Anti-backlash gearing
• Robust structural design
• High efciency steel gearing
Model 976
The Model 976 position transducer
monitors the position of the nacelle of
an unmanned aerial vehicle (UAV).
Note: Some specications may vary slightly. Please contact us for any questions.
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Moog Components Group Moog Components Group Moog GmbH Moog Japan Ltd.
1213 North Main Street 30 Suttons Business Park Hanns-Klemm-Strasse 28 1-8-37 Nishi-Shindo
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