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N-I – Mitsubishi Heavy Industries

  • Length: 34 m
  • Diameter: 2.44 m
  • Launch Mass: 131 T
  • Low Earth Orbit Capacity: 1200 kg

The N-I, manufactured by Mitsubishi Heavy Industries established in 1884, undertook its inaugural launch on 09/09/1975. Notably, N-I has 6 successful launches and 1 failed attempts, with a cumulative tally of 7 launches, currently with 0 pending launches in the pipeline.

The N-I or N-1 was a derivative of the American Thor-Delta rocket, produced under licence in Japan. It used a Thor-ELT first stage, a Mitsubishi Heavy Industries-designed LE-3 engine was used as a second stage, and three Castor SRMs. Seven were launched between 1975 and 1982, before it was replaced by the N-II.

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