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TQ-15A

TQ-15A is LandSpace's restartable, vacuum-optimized liquid-methane/liquid-oxygen member of the Tianque A family. Its 836 kN vacuum-thrust class supports one upper-stage engine in the existing Zhuque-2E and Zhuque-3 configurations; the active status and exact family boundary are preserved.

Identity

Domains
spaceflight
Identity Level
variant
Kind
liquid-rocket-engine
Name
TQ-15A
Status
active

Details

Description
TQ-15A is LandSpace's restartable, vacuum-optimized liquid-methane/liquid-oxygen member of the Tianque A family. Its 836 kN vacuum-thrust class supports one upper-stage engine in the existing Zhuque-2E and Zhuque-3 configurations; the active status and exact family boundary are preserved.
Developers
Family
First Flight Date
2024-11-27
Manufacturers
Propellants
liquid methaneliquid oxygen
Rocket Specs
Restartable
Yes
Vacuum Thrust Kn
836

Links

Assets & Meta

Creation Time
July 29, 2026 at 09:39:32 UTC
Updated Time
August 23, 2026 at 21:47:37 UTC

Other

Sources
  • Accessed Date
    2026-08-14
    Note
    LandSpace's engine product material identifies TQ-15A as the restartable vacuum Tianque A engine and supports its 836 kN vacuum-thrust class and methalox propulsion role.
    Publisher
    LandSpace
    Title
    LandSpace products and services
  • Accessed Date
    2026-08-14
    Note
    LandSpace's Tianque A delivery announcement supports the TQ-15A family identity and distinguishes the restart-capable vacuum engine from the original sea-level TQ-12 boundary.
    Publisher
    LandSpace
    Title
    First Tianque A engine delivered
  • Accessed Date
    2026-08-14
    Note
    LandSpace's Zhuque-3 flight report supports the current upper-stage application represented by one exact TQ-15A installation in the existing vehicle-family configuration.
    Publisher
    LandSpace
    Title
    Zhuque-3 Y1 reached orbit
  • Accessed Date
    2026-08-23
    Note
    LandSpace's Zhuque-2E improved Y1 flight report identifies one TQ-15A as the second-stage engine on the 2024-11-27 flight, directly supporting this exact first-flight date.
    Publisher
    LandSpace
    Title
    Zhuque-2E improved Y1 launch success