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Thrusters (LRE of small thrust) are intended for generation of steering forces in order to change attitude of space vehicles in orbit.
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Their advantages are: · low mass and overall dimensions; · increased pressure tightness; · high response; · long service life; · high reliability; · operation in both continuous and pulse modes; · consumption of saturated and unsaturated propellants; · availability of pressure annunciator for telemetry control of the thruster operation.
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Main technical characteristics
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Parameter |
Cyclone-3 LV thruster of 100 N |
Cyclone-3 LV thruster of 30 N |
Okean-O SC thruster of 30 N |
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Nominal thrust, N |
100 |
30 |
30 |
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Specific thrust at the continuous mode under the nominal inlet pressure, m/s |
2500 |
2300 |
2500 |
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Chamber pressure, MPa |
0.7 |
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Propellants: · oxidizer · fuel
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NT UDMH |
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Nominal inlet pressure, MPa |
1.35 |
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Nominal propellants mixture ratio |
1.61 |
1.27 |
1.6 |
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Guaranteed number of restarts |
1300 |
4900 |
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Total firing time, s |
200 |
3600 |
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Supply voltage, V |
28 |
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Working temperature range, °C |
From 0 up to 35 |
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Single run duration, s |
From 0.21 to 165 |
From 0.21 to 600 |
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Mass, kg |
1.45 |
1.3 |
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Experience gained during use of these thrusters in the Cyclone-3 launch vehicle and Okean-O spacecraft showed their high reliability and performance capabilities.