HM7B

Overview

A LH2/LOX upper-stage engine that powered the cryogenic upper stage (ESC-A) of Ariane 5 and earlier Ariane vehicles.

Components & hardware

Knowledge connections

• PowersAriane 5
• Uses propellantLH2 / LOX

Sources

The primary and reference sources this topic draws on.

• ArianespaceArianespace SA

  Ariane and Vega launch-vehicle families — user's manuals and mission data.

• ESAEuropean Space Agency

  European missions, observatories, and space science imagery.