Talentcentrum Laborky.cz při Gymnáziu Václava Beneše Třebízského ve Slaném - naše heslo: " Vyšší výkon!" Věda nás baví, pokusy děláme velké, aby byly vidět. Vyhráli jsme Zlatý oříšek, máme pět českých rekordů (některé spolu s pořadem České televize Zázraky přírody), jsme držitelé Ocenění za popularizaci fyziky, vyhráli jsme obě kategorie FILMFESTu MFF UK 2012, spolupracujeme s pořadem Zázraky přírody, do kterého připravujeme pokusy....
This is amazing and funny at the same time. When I was a kid or maybe a teenager you could buy a toy that did this exact same thing but on a much smaller scale. I think it was during the 1990s.
Wham-O released a toy for children back in the 1960s that used this principle. It was around 6" in diameter and had a handle and trigger to fire it. Seems ever few generations every old is new again.
@@tanjmazmaz3731 the hail cannon does create a small shockwave but its focused into the vortex from the design of the cone turret. a explosion from the combustion chamber forces air out of the cannon at a insane speed then quickly stops. the cone shape of the cannon only stops the flow near the sides letting the air through the center spinning the air into a doughnut creating a vortex. the process is so quick it creates a shockwave inside the vortex in the process. here's the difference between a vortex and a shockwave. a vortex can be completly invisible if its just air with no smoke. shockwaves are always visible. shockwaves bend light and creates a distortion as it spreads out. in order to see a shockwave from a hail cannon you'll need a expensive slow motion camera to see it.
Add a wind tunnel inside the cannon to speed up the air within, then fire it off. I’m thinking it would give the vortex more velocity which could give it more distance. May have more damaging force, start small.
There is an optimal volume and speed. Faster just makes it unstable never forming a rolling ring. Just like blowing harder doesn't make a whistle louder.
