Bowling Ball Cannon vs Bulletproof(?) Glass

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TheDoubleD

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Here is the third video. Just confirms that a bowling ball cannon is no toy. It also confirms Coaches club makes a string chamber in the mortar-Edwin is still using smokeless powder. Still not a fan of Coaches club cannons.

 

TheDoubleD

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Well Edwin has another video out with is bowling ball cannon. He has finally changed powder to a Black powder substitute. He is still using it wrong. If you wait until the end of the video you will see the damage this barrel has incurred for shooting smokeless power and fast burning shotgun powder at that.



Here is a screen capture of the weld breaks between the pressure tank and the powder chamber.

www.fototime.com_0F65ABB04DE01AD_standard.jpg


Here is the bulging of the tank. In a mortar the greatest pressure is in the chamber. The larger barrel/tank because of it larger diameter works as a expansion chamber and pressure should be reduced. The amount of pressure need to bulge that tank is horrendous, imagine what is going on in that chamber.

www.fototime.com_AA4CF23E45574E1_standard.jpg
 

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