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DefDex

Engine · Space

Merlin

Kerosene-oxygen rocket engine family for Falcon launch vehicles.

by SpaceX · Unveiled Mar 19, 2003

FieldedEngineSpaceMilestone2012
Two Merlin 1D engines mounted in a dual test stand

Photo: SpaceX · CC0 1.0

Timeline2

  1. UnveiledConfirmed

    SpaceX names Merlin engine in first firing announcement

    SpaceX's first press release, announcing the initial firing of the Falcon main engine, publicly named the engine Merlin. SpaceX's February 2003 homepage described the Falcon's engines without naming them.

  2. MilestoneConfirmed

    Merlin 1D full-duration hot firing demonstrated

    FAA annual report describes a successful launch-duration firing in 2012; not the first test of the earlier Merlin engine family.

The latest 10 milestones. Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.

Used In2

  • A Falcon 9 lifting off from Launch Complex 39A at Kennedy Space Center on the SES-10 mission

    Falcon 9

    FieldedLaunch vehicle

    Merlin family powers first and second stages, with sea-level and vacuum variants.

    Link Confirmed

  • Falcon Heavy lifting off from Launch Complex 39A on its demonstration flight

    Falcon Heavy

    FieldedLaunch vehicle

    Merlin family powers the Falcon Heavy launch vehicle; individual engine generations are not separate products here.

    Link Confirmed