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      <timestamp>2025-11-13T22:54:24Z</timestamp>
      <contributor>
        <username>MikeLPetersen</username>
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      <comment>Added a Disclaimer and updated the Purpose.</comment>
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      <text bytes="3592" sha1="huh8fypbyexyt006ncrgb25f0duy04r" xml:space="preserve">== Purpose: ==
The purpose of this design guide wiki is to provide recovery system engineers in government, industry, and academia the knowledge and tools necessary to evaluate, analyze, select, design, and test parachute recovery systems.  The initial content and references were drawn from Knacke's 1991 Recovery Systems Design Guide &lt;ref&gt;https://apps.dtic.mil/sti/citations/ADA247666&lt;/ref&gt;.   Like Knacke's design guide, this manual will not attempt to reprint all available information, but rather strive to complement, amplify, supplement, and link to other references, including the historical decelerator system design guides &lt;ref&gt;https://apps.dtic.mil/sti/citations/ADA070251&lt;/ref&gt; &lt;ref&gt;https://apps.dtic.mil/sti/citations/AD0745335&lt;/ref&gt; &lt;ref&gt;https://apps.dtic.mil/sti/citations/ADA246343&lt;/ref&gt;.  

This design guide wiki is made possible through the ongoing collaboration of recovery system engineers in government, industry, and academia.  It is designed to continue to be periodically updated with publicly-available content and references to sources which may not be publicly-available.  Updates include typo corrections, figure updates, verbiage clarifications, and entirely new content.  All potential new updates are reviewed prior to inclusion by the Design Guide Subcommittee of the American Institute of Aeronautics and Astronautics (AIAA) Aerodynamic Decelerator Systems Technical Committee (ADS TC).  

Topics and specializations are organized by Chapter.  Each Chapter will have a team of Chapter Editors composed of Subject Matter Experts (SMEs) who will review new content submissions for possible inclusion.  Of note: Commercial skydiving is currently beyond the scope of this wiki.

== Chapters: ==

# [[Introduction]]
# '''[[Definitions]]'''
# [[Units of Measurement, Technical Tables, and Symbols]]
# '''[[Parachute Aerodynamics]]'''
# '''[[Parachute Performance]]'''
# '''[[Parachute Design]]'''
# '''[[Recovery System design]]'''
# '''[[Recovery System Application]]'''
# Asymmetry
# Instrumentation
# Materials
# Simulation.  CFD &amp; FSI. 
# [[Career Lessons Learned]] 
# Hardware
# Test methods
# Applied Loads, Degradation Factors, Applications
# Gliding Parachutes


86. [[Wiki Experimentation Chapter]]

== References: ==
&lt;references /&gt;
== Disclaimer: ==
Whenever a person leaves the ground, he or she risks injury or even death. Whether to accept or reject this risk and its accompanying challenge must be a personal decision; one must weigh the risk and the reward. 

This wiki is designed to promote safety through education. It is not a do-it-yourself text. Neither the authors, editors, their employers or any element of AIAA shall have any liability for, or responsibility to, any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this wiki.
------

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