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The Antares has flown two major design iterations, the 100 series and 200 series. Both series have used a Castor 30XL as an upper stage but have differed on the first stage. [15] The 100 series used two Kerolox powered AJ26 engines in the first stage and launched successfully four times. The 100 series was retired following a launch failure in ...
The Antares 100-series first stage was powered by two Aerojet AJ26 engines. These began as Kuznetsov NK-33 engines built in the Soviet Union in the late 1960s and early 1970s, 43 of which were purchased by Aerojet in the 1990s.
On 17 December 2014, Orbital Sciences announced that it would use the NPO Energomash RD-181 on second-generation Antares launch vehicles and had contracted directly with NPO Energomash for up to 60 RD-181 engines. Two engines are used on the first stage of the Antares 100-series. [28]
The company decided to discontinue the Antares 100 series and accelerate the introduction of a new propulsion system. The Antares system was upgraded with newly built RD-181 first stage engines to provide greater payload performance and increased reliability. [11]
The company decided to discontinue the Antares 100 series and accelerate the introduction of a new propulsion system. The Antares system is being upgraded with newly built RD-181 first stage engines to provide greater payload performance and increased reliability. [17]
With the launch of NG-20, Cygnus becomes only cargo freighter to launch on four different orbital launchers, that is, Antares rocket (100 series), Atlas V, Antares 200 series and Falcon 9. The rocket’s first stage, B1077, made its 10th flight on this mission.
UPDATED: Chinese-Canadian pop star Kris Wu’s new album, “Antares,” has debuted at No. 100 on the latest Billboard chart amid allegations of fraudulent sales that drove tracks from the album ...
As of August 2024 one more mission is planned to be launched on the Falcon 9 rocket from Cape Canaveral Space Launch Complex 40, and three from Wallops on an Antares 330. Cygnus is the only cargo freighter to launch on four different launch vehicles: the Antares 100 series, Atlas V, Antares 200 series and Falcon 9 Block 5. [26]