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SLS and Orion

How The Sidemount HLV Handles Orion Aborts

By Keith Cowing

NASA Watch

July 23, 2009

HLV Crew Abort Assessment, July 21 2009, NASA JSC
Team Charter
Objective
* Develop and analyze abort trajectories for a Crewed HLV. Define realistic environments, define the aerodynamics, and define the abort modes from Liftoff to MECO.
Goal
* Provide preliminary abort summary and potential abort modes. Define any mandatory changes to Orion or the LAS by July 21.
Issues Addressed
* On-pad abort thermal effects on ET
* Abort at Mach 1.25
* For this quick study the team assumed that this covers Max q and Max drag case
* Abort at Mach 2.0
* ET bow shock interaction with Orion

Keith Cowing

NASA Watch founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.