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Hot Topic (More than 10 Replies) Whistling bullets (Read 13786 times)
irish66
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Re: Whistling bullets
Reply #15 - Sep 5th, 2009 at 7:41pm
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and here was me thinking a screamer was.....
what about an alpine horn with an airline attached synched to your trigger?
blow baby blow!
oh thats black powder.
irish
  
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Tom_Trevor assra life no.71
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Re: Whistling bullets
Reply #16 - Sep 5th, 2009 at 9:08pm
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We used to cut both ends out of a can [ beer prefered] and put them over the projos for our 105 and 155 howitzers, screamed like hell all the way.
Might be tough getting the ends off those .32 cal cans though! Roll Eyes
  
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irish66
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Re: Whistling bullets
Reply #17 - Sep 6th, 2009 at 7:04am
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tom,
maybe he could machine a teeeny weeny can out of hydraulic tubeing stick it on the end and see what happens.
might be able to make a mold?????
bml great place to shoot. best to all.
irish(akamjr)
  
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westerner
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Re: Whistling bullets
Reply #18 - Sep 6th, 2009 at 5:10pm
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I'm light years ahead of you guys!

The latest design, still in my head at this point is to make a hollow pointer mold from one of the .32 molds I dont use much. I have a 321-297 or something like that. Anyway the plan is to make the hollow pointer a straight cylinder that ends at the sprue plate. The mold will cast a lead can with a hole through the center. Brass pintubing will be pressed
into the hole after its made into a whistle. I'm hoping a Poly wad will hold the pressure until the bullet exits the barrel.   

I dont see why this wont work if I can get the pintubing to whistle/ scream while encased in the bullet. I figure some compressed air and some experimentation in the shop will happen. I'm too busy cutting wood right now to mess with it.  Cry

                                     Joe  Smiley

















 







  

A blind squirrel runs into a tree every once in a while.
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creedmoormatch
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Re: Whistling bullets
Reply #19 - Sep 7th, 2009 at 10:07am
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    Hey Joe ...so it's Labor Day and you're out splitting wood !  I do some of my best thinking when I'm on the tractor mowing ... it has automatic trans, cruise control and A/C ... so you get the picture ?

Well here is what I've come up with.  If you don't mind me saying so, I think you are out of focus.  What you are missing is the fact that your bullets already whistle if you're shooting them above 1024 f.p.s. Muzzle Velocity.  I have the necessary data to prove that.

What you fail to realize is that you are just not hearing the whistling bullets.  As you know sound travels at different wave lengths, not all of which may be heard by the human ear.  For instance, the K-9 species have more acute hearing than does the Human species.

That is not to say that you could not adapt specific audio equipment receptors to detect the bullets whistle, because you could.  My suggestion is to redirect your attention away from specific modifications to you bullets and instead look at audio receivers that will convert the sound wave length of the bullet's whistle to the wave length which is audible to the human ear.

Grin      Grin      Grin      Grin      Grin      Grin      Grin      Grin      Grin , and     Cry

C.M.M.

  
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westerner
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Re: Whistling bullets
Reply #20 - Sep 7th, 2009 at 3:59pm
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Thats correct, I agree. If the bullet is going faster than the speed of sound it still makes noise and will be heard..... eventually. Like when you hit a ram at 500 meters. The ram goes down then the time lag and you hear the clang.

Wished my saw had an air conditioner and sterio. Splittin wood round here is like a box of chocolates,,,,,,,,,, ya never know what yer gonna get, lol.  Cheesy Grin

                                        Joe.  Wink
  

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13Echo
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Re: Whistling bullets
Reply #21 - Sep 7th, 2009 at 4:11pm
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Dang Tom,

I bet FDC wondered what happened to that shot.  I'm sure it didn't land where they expected.  The best whistles I ever heard from artillery was when a rotating band broke off.  That really got your attention.

Jerry Liles
another ex Redleg
  
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westerner
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Re: Whistling bullets
Reply #22 - Sep 7th, 2009 at 4:19pm
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I wonder what would happen if the tip of the hollow pointer was shaped like the end of a phillips head screwdriver?  This is going to be a fun winter project, frivolous, but fun.  Smiley


                                       Joe.  Grin
  

A blind squirrel runs into a tree every once in a while.
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marlinguy
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Re: Whistling bullets
Reply #23 - Sep 7th, 2009 at 5:09pm
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You got way too much time Joe!
  

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