File

Vortex Ring Gun Target.jpg

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Vortex_Ring_Gun_Target.jpg (288 × 218 pixels, file size: 21 KB, MIME type: image/jpeg)

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Description
English: This target provides a non-destructive means of measuring the outer diameter of a gas vortex ring during flight. The target is a net with freely hanging clothes pins so loosely attached that drag from the passing vortex ring dislodges all pins that are contacted.
Date
Source Harry Diamond Laboratories
Author George Kenneth Lucey Jr.


Public domain
This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.

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inception

2 July 1998

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Date/TimeThumbnailDimensionsUserComment
current21:32, 12 August 2013Thumbnail for version as of 21:32, 12 August 2013288 × 218 (21 KB)wikimediacommons>Luceyg{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|This target provides a non-destructive means of measuring the outer diameter of a gas vortex ring during flight. The target is a net with freely hanging clothes pins so loosely...

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