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madebackwards (a group admin) says:
19 Oct 07 - Please don't feel offended if any submissions not depicting the onset of a Prandtl-Glauert Singularity or vapor compression wave get removed from the pool. Thanks.

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About Pushing The Sonic Envelope

Pictures of the effects of an aircraft (or anything else for that matter) as it nears Mach 1.

Original photos only please.

Additional Information

This group is public This is a public group.

  • View the group rules.
  • Accepted media types:
    • Photos
    • Video
  • Accepted content types:
    • Photos / Videos
    • Screenshots / Screencasts
    • Illustration/Art / Animation/CGI
  • Accepted safety levels:
    • Safe
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