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Making a Homemade Chronograph (two different types explained!)

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Published on May 18, 2010

In this video I show you my homemade chronographs i've used to measure the velocity of my spudguns. Both have good and bad points, I prefer the Phototransistor one personally as it is easier for me to setup. Both work great though. Any questions, just ask. Much thanks to Jimmy101 and Technician1002 of Spudfiles.

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