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Screaming/Whistling ammo

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Screaming/Whistling ammo

Unread postAuthor: drac » Sat Jul 28, 2007 11:57 am

Wow, I realized that I haven't posted on here in forever. Talk about a complete lack of time with work and such.

I'm probably going to be buying some stock from McMaster, haven't decided on plastic or aluminum, and the idea of whistling ammunition intrigued me. I really don't have any idea on how to do this, but figured that the idea is feasible.

Anyone have any idea how to do this?
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Unread postAuthor: origin unknown » Sat Jul 28, 2007 12:18 pm

I have heard shallow holes drilled into the ball will make it whistle. I saw this bowling ball cannon and the ball whistled when he shot it, that is why I get this idea. Also, if you blow across the top of a pen tube it makes a whistling sound.
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Unread postAuthor: spud yeti » Sat Jul 28, 2007 12:21 pm

I guess if you mold the mouthpiece of a whistle into a wax slug or something it would whistle. Nice idea though.
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really good quote/phrase here
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Unread postAuthor: frankrede » Sat Jul 28, 2007 1:49 pm

Go buy a whistling nerf football and examine it.
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Unread postAuthor: Fnord » Sat Jul 28, 2007 3:44 pm

I believe taping a shell casing or a similar object onto a projectile can produce a decent whistle.
I think the japanese used to tape casings to bombs that were dropped from aircraft as a psychological warfare tactic.
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Unread postAuthor: Modderxtrordanare » Sat Jul 28, 2007 3:47 pm

_Fnord wrote:I believe taping a shell casing or a similar object onto a projectile can produce a decent whistle.
I think the japanese used to tape casings to bombs that were dropped from aircraft as a psychological warfare tactic.


I believe that is due to the Venturi effect and possibly a second effect of sorts. Isn't the hole where the bullet originally was on the casing bigger than on the back of the casing?
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Unread postAuthor: noname » Sat Jul 28, 2007 3:57 pm

Wasn't Nav7 going to make whistling plaster projectiles at some point? Drac, you may have seen the topic, but they rest of you guys were never really on the SpudTech forums.
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Unread postAuthor: Scotty » Sat Jul 28, 2007 11:59 pm

Tape a coaches whistle to it- or several.

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