Quote:
Originally Posted by thecyberpunk
Try the old pop-can penetration test, that's pretty reliable.
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you do realize thats not reliable at all right? different batches of aluminium from different companies will give different results. The best way to do the chrono is still using a recording device perferable on compture, set your self so you will shoot approx a known distance. fire the gun and have the sound recorded. Looking at the sound wave, find two peaks at it, remember grade 11 physics? V =D/t aka velocity = distance /time