Ikar (rocket stage)

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Manufacturer TsSKB-Progress
Country of origin Russia
General Characteristics
Diameter 2.72 metres (8 ft 11 in)
Length 2.56 metres (8 ft 5 in)
Engine details
Engines 1 17D61 (KB Melnikov)
Thrust 2.94 kilonewtons (660 lbf)
Specific impulse 326 sec
Fuel N2O4/UDMH

The Ikar was a rocket upper stage designed in Russia in 1999 to be used with the Soyuz 11A511U rocket as Soyuz-Ikar.[2] It was derived from the propulsion module of the Yantar spy satellites.[3]


  1. ^ "Ikar". Astronautix.com. Retrieved 2012-09-04. 
  2. ^ "Soyuz 11A511U / Ikar". Astronautix.com. Retrieved 2012-09-04. 
  3. ^ "17D61". Astronautix.com. Retrieved 2012-09-04.