Stringman
Descens
Think meteorites, we are not alone.
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I think this is from an old Biggles story so I can't vouch for the truth of it. According to the story empty bottles dropped from altitude make a lot of noise. If correct one could mimick this a bit by putting a hole in the back of the gland. One would need to use something like that pulled overhead style which spins the projectile so it behaves like a rifle bullet, the sling presents the sides of the pocket to the target, rather than the front or back, just before release. Another way would be to, sacrifice some more energy and attach a ribbon to the back so one could use any old style and the projectile would still move through the air point first.
Another way which was nearly suggested above may work. Make a small bolas which can be thrown from a sling but use two cords to attach the two weights, if one can get the weights to seperate in flight ( ideally spin for tension, how I don't know ) then the two cords may vibrate together like vocal cords.
I've found the roughest rocks to be the loudest. Coating with very rough gravel and throwing with heavy spin is pretty much bound to buzz. I, too, found oblongs to be fairly loud, maybe some of the platonic solids would be worth a try. Four faced triangles have sharper edges than cubeoids, if it's due to that, or dodecahedrons have more edges if it's that. If one relies on spin energy the construction of a fipple may be worth a shot. Or a panpipe type projectile which looks a bit like a WW1 mine ( like some of the pictures above but make the pipes protude).
Nice topic, lots of play potential. Good sounds on the vid and you were brave with that camera.
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Aerophonic projectiles (Read 8722 times)