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M-34c

The exact M-34c solid motor used as the second-stage motor of Japan's original Epsilon Test Flight Model. JAXA identifies it as the renovated M-V third-stage motor technology used on the Epsilon demonstration vehicle; it is distinct from the later enlarged M-35 motor used by Enhanced Epsilon.

Identity

Aliases
M34cEpsilon Test Flight second-stage motor
Domains
spaceflight
Identity Level
model
Kind
solid-rocket-motor
Name
M-34c
Status
unknown

Details

Description
The exact M-34c solid motor used as the second-stage motor of Japan's original Epsilon Test Flight Model. JAXA identifies it as the renovated M-V third-stage motor technology used on the Epsilon demonstration vehicle; it is distinct from the later enlarged M-35 motor used by Enhanced Epsilon.
Propellants
solid HTPB composite propellant

Links

Assets & Meta

Creation Time
August 1, 2026 at 17:26:06 UTC
Updated Time
August 1, 2026 at 17:26:06 UTC

Other

Sources
  • Accessed Date
    2026-08-01
    Note
    JAXA identifies M-34c as one of the exact upper-stage motors adopted for the Epsilon demonstration vehicle E-X.
    Publisher
    Japan Aerospace Exploration Agency ISAS
    Title
    Epsilon propulsion system (ISAS News No. 374)
  • Accessed Date
    2026-08-01
    Note
    JAXA documents the M-34c nozzle test and identifies M-34c as the renovated M-V third-stage motor used by the original Epsilon development.
    Publisher
    Japan Aerospace Exploration Agency
    Title
    Epsilon Launch Vehicle topics
M-34c - AeroVia