N-I
Mitsubishi Heavy IndustriesRetired
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.
Specifications
- Thrust
- 1,643 kN
- Height
- 34 m
- Diameter
- 2.44 m
- Launch mass
- 131 t
- Stages
- 3
- LEO capacity
- 1,200 kg
- GTO capacity
- 360 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
7flightswith a definitive outcome
85.7%success rate6 of 7
2success streakcurrent
Counted from padside's own launch record, the same basis as the stats page.