UNA EXPRESS-III
UNA EXPRESS-III
Satellite Launch Platform
Satellite Launch Platform
UNA EXPRESS-III
UNA EXPRESS-III is a two-stage launch vehicle capable of delivering up to 400 kg of payload to 500 km sun-synchronous orbit (SSO). By applying the engine clustering architecture, stage separation, and fairing separation systems verified through UNA EXPRESS-II, it provides stable and precise satellite orbit insertion performance.
Height
20 m
Diameter
2.5 m
Max Altitude
400 km
Engine 1st Stage
Clustered VOLTA-52H x9
Engine 2nd Stage
VOLTA-52H
Launch Site
Korea
Clustered VOLTA-52H engine x9
UNA EXPRESS-III achieves stable launch thrust by clustering nine VOLTA-52H engines in its first stage.
Thrust
52 kN × 9-clustered
Propellant
LOX / JET A-1
Propellant Feed System
Elecpump-fed
UNA EXPRESS III
UNA EXPRESS-III
UNA EXPRESS III는 최대 400 kg의 페이로드를 500 km 태양동기궤도(SSO)에 투입할 수 있는 2단 발사체입니다. UNA EXPRESS II에서 검증된 엔진 클러스터링 구조와 단분리 및 페어링 분리 시스템을 적용하여, 안정적이고 정밀한 위성 궤도 투입 성능을 제공합니다.
UNA EXPRESS-III is a two-stage launch vehicle capable of delivering up to 400 kg of payload to 500 km sun-synchronous orbit (SSO). By applying the engine clustering architecture, stage separation, and fairing separation systems verified through UNA EXPRESS-II, it provides stable and precise satellite orbit insertion performance.
UNA EXPRESS-III is a two-stage launch vehicle capable of delivering up to 400 kg of payload to 500 km sun-synchronous orbit (SSO). By applying the engine clustering architecture, stage separation, and fairing separation systems verified through UNA EXPRESS-II, it provides stable and precise satellite orbit insertion performance.
Height
20 m
Diameter
2.5 m
Max Altitude
400 km
Engine 1st Stage
Clustered VOLTA-52H x9
Engine 2nd Stage
VOLTA-52H
Launch Site
Korea
Clustered VOLTA-52H engine x9
UNA EXPRESS-III achieves stable launch thrust by clustering nine VOLTA-52H engines in its first stage.
Thrust
52 kN × 9-clustered
Propellant
LOX / JET A-1
Propellant Feed System
Elecpump-fed
Clustered VOLTA-52H engine x9
UNA EXPRESS-III achieves stable launch thrust by clustering nine VOLTA-52H engines in its first stage.
Thrust
52 kN × 9-clustered
Propellant
LOX / JET A-1
Propellant Feed System
Elecpump-fed
© 2026 UNASTELLA. All rights reserved.
© 2026 UNASTELLA.
All rights reserved.
© 2026 UNASTELLA.
All rights reserved.