Electromechanical Actuators
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Key Features:
- Antares
- Delta IV
- Centaur
- Vega
Models and Specifications
Linear Actuators - Performance Characteristics
Flight Control Surfaces (0.94 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
3,
000
000
3.10 in sec @ 2,
000 lbf
000 lbf
8
1.35
8.96
150
stall-load
3,
000
000
power-point
3.10 in sec @ 2,
000 lbf
000 lbf
actuator-weight-in-lbs
8
stroke-(+--,-centered)(in)
1.35
null-length,-centered
8.96
voltage-dc
150
TVC Stage 1 (2.1 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
4,
634
634
20 in sec @ 4,
634 lbf
634 lbf
13
1.96
15.54
270
stall-load
4,
634
634
power-point
20 in sec @ 4,
634 lbf
634 lbf
actuator-weight-in-lbs
13
stroke-(+--,-centered)(in)
1.96
null-length,-centered
15.54
voltage-dc
270
TVC Stage 1 (20.5 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
21,
727
727
6.78 in sec @ 20,
000 lbf
000 lbf
57
1.16
15.24
280
stall-load
21,
727
727
power-point
6.78 in sec @ 20,
000 lbf
000 lbf
actuator-weight-in-lbs
57
stroke-(+--,-centered)(in)
1.16
null-length,-centered
15.24
voltage-dc
280
TVC Stage 1 (26.5 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
40,
600
600
5.83 in sec @ 30,
000 lbf
000 lbf
125
2.01
20.16
280
stall-load
40,
600
600
power-point
5.83 in sec @ 30,
000 lbf
000 lbf
actuator-weight-in-lbs
125
stroke-(+--,-centered)(in)
2.01
null-length,-centered
20.16
voltage-dc
280
TVC Upper Stage (0.23 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
745
3.0 in sec @ 500 lbf
8
1.14
9.88
55
stall-load
745
power-point
3.0 in sec @ 500 lbf
actuator-weight-in-lbs
8
stroke-(+--,-centered)(in)
1.14
null-length,-centered
9.88
voltage-dc
55
TVC Upper Stage (3.4 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
11,
800
800
2.49 in sec @ 8,
892 lbf
892 lbf
32
0.85
13.65
140
stall-load
11,
800
800
power-point
2.49 in sec @ 8,
892 lbf
892 lbf
actuator-weight-in-lbs
32
stroke-(+--,-centered)(in)
0.85
null-length,-centered
13.65
voltage-dc
140
TVC Upper Stage Redundant (0.4 hp)
stall-load
power-point
actuator-weight-in-lbs
stroke-(+--,-centered)(in)
null-length,-centered
voltage-dc
3,
190
190
2.18 in sec @ 1,
100 lbf
100 lbf
18
0.85
23.25
28
stall-load
3,
190
190
power-point
2.18 in sec @ 1,
100 lbf
100 lbf
actuator-weight-in-lbs
18
stroke-(+--,-centered)(in)
0.85
null-length,-centered
23.25
voltage-dc
28
Rotary Actuators - Performance Characteristics
Fin Control (1.6 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
3000
2,
000 in lbf @ 300 deg sec
000 in lbf @ 300 deg sec
12.3
50
150
stall-torque-(in-lbf)
3000
power-point
2,
000 in lbf @ 300 deg sec
000 in lbf @ 300 deg sec
actuator-weight-(lbs)-
12.3
stroke-(+--,-degree)
50
voltage-dc
150
Propellant Valve (0.2 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
300
250 in lbf @ 300 deg sec
5.1
70
150
stall-torque-(in-lbf)
300
power-point
250 in lbf @ 300 deg sec
actuator-weight-(lbs)-
5.1
stroke-(+--,-degree)
70
voltage-dc
150
Redundant Engine Control Valve (0.002 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
-
220 in lbf @ 3.5 deg sec
17.6
3
28
stall-torque-(in-lbf)
-
power-point
220 in lbf @ 3.5 deg sec
actuator-weight-(lbs)-
17.6
stroke-(+--,-degree)
3
voltage-dc
28
Redundant Engine Control Valve (0.05 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
-
60 in lbf @ 340 deg sec
16
100
28
stall-torque-(in-lbf)
-
power-point
60 in lbf @ 340 deg sec
actuator-weight-(lbs)-
16
stroke-(+--,-degree)
100
voltage-dc
28
Redundant Propellant Valve (0.18 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
350
188 in lbf @ 360 deg sec
7.7
60
28
stall-torque-(in-lbf)
350
power-point
188 in lbf @ 360 deg sec
actuator-weight-(lbs)-
7.7
stroke-(+--,-degree)
60
voltage-dc
28
Triplex Body Flap Surface (7.5 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
255,
000
000
127,
500 in lbf @ 22 deg sec
500 in lbf @ 22 deg sec
235
22.5 revs
270
stall-torque-(in-lbf)
255,
000
000
power-point
127,
500 in lbf @ 22 deg sec
500 in lbf @ 22 deg sec
actuator-weight-(lbs)-
235
stroke-(+--,-degree)
22.5 revs
voltage-dc
270
Triplex Rudder Surface (2.5 hp)
stall-torque-(in-lbf)
power-point
actuator-weight-(lbs)-
stroke-(+--,-degree)
voltage-dc
235
168 in lbf @ 5,
643 deg sec
643 deg sec
35
10 revs
270
stall-torque-(in-lbf)
235
power-point
168 in lbf @ 5,
643 deg sec
643 deg sec
actuator-weight-(lbs)-
35
stroke-(+--,-degree)
10 revs
voltage-dc
270
