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Old April 6, 2013, 09:07 PM   #1
Cesure
Senior Member
 
Join Date: March 2, 2013
Posts: 131
Poor Man's Chronograph

Has anyone tried measuring bullet velocity with a PC soundcard? I found this PDF when I was searching for low budget chronographs. It details how to measure the time lapse between the sound of a gunshot and the sound of a target hit 50'-150' away. Then if you know the ballistic coefficient of the bullet you can calculate the MV. The theory sounds good, but I wonder if anyone has tested it against a chronograph.
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