KTDU-80
The KTDU-80 (Russian: Корректирующе-Тормозная Двигательная Установка, КТДУ) is the latest of a family of integrated propulsion system that KB KhIMMASH has implemented for the Soyuz since the Soyuz-T. It integrates main propulsion, RCS and attitude control in a single system pressure fed from a common dual string redundant pressurized propellant system. The common propellant is UDMH and N2O4 and the main propulsion unit, is the S5.80 main engine. It generates 2.95 kN (660 lbf) of thrust with a chamber pressure of 880 kPa (128 psi) and a nozzle expansion of 153.8 that enables it to achieve a specific impulse of 302 s (2.96 km/s). It is rated for 30 starts with a total firing time of 890 seconds. The integrated system without the pressurization or tanks weighs 310 kg (680 lb); it is 1.2 m (47
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KTDU-80
The KTDU-80 (Russian: Корректирующе-Тормозная Двигательная Установка, КТДУ) is the latest of a family of integrated propulsion system that KB KhIMMASH has implemented for the Soyuz since the Soyuz-T. It integrates main propulsion, RCS and attitude control in a single system pressure fed from a common dual string redundant pressurized propellant system. The common propellant is UDMH and N2O4 and the main propulsion unit, is the S5.80 main engine. It generates 2.95 kN (660 lbf) of thrust with a chamber pressure of 880 kPa (128 psi) and a nozzle expansion of 153.8 that enables it to achieve a specific impulse of 302 s (2.96 km/s). It is rated for 30 starts with a total firing time of 890 seconds. The integrated system without the pressurization or tanks weighs 310 kg (680 lb); it is 1.2 m (47
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The KTDU-80 (Russian: Корректи ...... h a diameter of 2.1 m (83 in).
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burn time
caption
Soyuz TM-32 departing the ISS with its SKD nozzle cover closed
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chamber pressure
country of origin
Russia
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cycle
Pressure fed
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diameter
2.1m
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length
1.2m
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manufacturer
KB KhIMMASH
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name
KTDU-80
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oxidiser
predecessor
specific impulse
status
In production
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thrust
2.95 kN
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type
liquid
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used in
Soyuz
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wikiPageUsesTemplate
subject
comment
The KTDU-80 (Russian: Корректи ...... 0 kg (680 lb); it is 1.2 m (47
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label
KTDU-80
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