Quote:
Originally Posted by cockerpunk
thats not a vacuum, its the left over propellent gas.
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There is the more circular bubble which is the propellant gas, but the cone shaped bubble is the shockwave from the bullet causing cavitation. That is why when it collapses there aren't any bubbles like there are for the bubble at the end of the barrel.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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