ORBIT FR AZ, EL Positioners: Medium Duty - Manual (Page 2)

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Specifi cations - Legacy Series AZ/EL Positioners Medium Duty
Parameter Units
Positioner Model
AL-4371-1 AL-4372-1 AL-4373-1 AL-4374-1 AL-4375-1
Outline Dimension Drawing Number 07-0531 09-0517 07-0565 11-2712 09-1042
Technical Notes 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4
Operational
Bending Moment
ft-lbs 600 2,000 4,200 6,000 12,000
kg-m 80 280 580 830 1,660
Vertical Load
lbs 800 1,250 2,800 5,000 10,000
kg 360 570 1,270 2.270 4,540
Delivered Torque
Azimuth
ft-lbs 150 500 500 500 1,200
kg-m 20 70 70 70 170
Elevation
ft-lbs 500 1,200 2,800 5,000 10,000
kg-m 70 170 390 690 1,380
Withstand Torque
Azimuth
ft-lbs 210 600 600 600 2,000
kg-m 30 80 80 80 280
Elevation
ft-lbs 600 2,000 4,200 6,000 12,000
kg-m 80 280 580 830 1,660
Drive Power
Azimuth hp 1/8 1/3 1/3 1/3 3/4
Elevation hp 1/3 3/4 3/4 3/4 3/4
Nominal Speed
Azimuth rpm 2 1.5 1.5 1.5 1.3
Elevation deg/min 540 470 180 180 55
Standard Angle
Transducer Format Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro
Standard
Accuracy Azimuth deg ± 0.03 ± 0.03 ± 0.03 ± 0.03 ± 0.03
Elevation deg ± 0.03 ± 0.03 ± 0.03 ± 0.03 ± 0.03
Maximum
Backlash
Azimuth deg 0.06 0.05 0.05 0.05 0.05
Elevation deg 0.05 0.05 0.05 0.05 0.05
Elevation Limit-to-Limit Travel deg ± 95 ± 95 ± 95 ± 95 ± 95
Physical
Height at 0° Elevation
in 20.3 26.7 34.4 34.4 33.8
mm 515 679 873 873 859
Weight
lbs 275 660 950 980 1,050
kg 125 299 430 445 476
Turntable Diameter
in 12.5 20.3 20.3 20.3 24.1
mm 318 516 516 516 612
Environmental
Operating Temperature - 4° F to 140° F (- 20° C to 60° C)