About N-I Launch Vehicle
|
N-I rocket is three-stage launch vehicles employing the U.S "Thor-Delta Rockets" technology and used for launching experiments, communications, broadcasting, meteorological and earth observation satellites. N-I was utilized in a total of 7 launches from 1975 to 1982. |
|---|
Principal specifications
| Overall length | 32.57m |
|---|---|
| Diameter | 2.44m |
| Total weight | 90.4t (Payload not inclued) |
| Guidance system | Radio guidance system |
| Flight No. | Launch Date | Payload |
|---|---|---|
| N1F | 9/9/1975 | Engineering Test Satellite I "KIKU-1"(ETS-I) |
| N2F | 2/29/1976 | Ionoshere Sounding Satellite "UME"(ISS) |
| N3F | 2/23/1977 | Engineering Test Satellite II "KIKU-2"(ETS-II) |
| N4F | 2/16/1978 | Ionoshere Sounding Satellite "UME-2"(ISS-b) |
| N5F | 2/6/1979 |
Experimental Communications Satellites "Ayame"(ECS) * ECS was unable to accomplish its mission, mainly because the 3rd stage rocket came in contact with the satellite after separation. |
| N6F | 2/22/1980 |
Experimental Communications Satellites "Ayame-2"(ECS-b) * ECS-b stopped transmitting soon after the apogee engine fired. |
| N9F | 9/3/1982 | Engineering Test Satellite III "KIKU-4"(ETS-III) |