What is the power of firing a sponge bullet with an air gun that is the fastest in the world?

Firing a sponge bullet "NERF (Nahu)You can enjoy shooting "ga" as a toy gun with safety considered. But what happens when you make the world's fastest NERF and fire a sponge bullet? A movie showing "serious adults"World's Fastest NERF Dart"Has been made public, showing the ridiculous power of the fastest Nahu.

World's Fastest NERF Dart - YouTube


Giaco who runs the YouTube channel Giaco Whatever. He told me he fully understood the mechanism of the toy air gun "Nahu".


We will conduct an experiment to fire a sponge bullet with our strongest nurf.


Metal pipe


When putting a sponge bullet, there is "play" in the state. If the gap is large like this, you can not increase the bullet's firing speed.


Plastic pipe


If the inner diameter of this plastic pipe, it fits perfectly with the bullet of the sponge.


Mark the sponge bullet shape on the metal pipe ......


Use a drill to scrape and drill holes as you like.


There was a hole for loading bullets.


I will take a burr with a file.


Next, it is fitted so that a plastic pipe is driven into the metal pipe.


Drill a hole to put the bullet again.


Cut out the plastic pipe, it is a file.


If you put a sponge bullet ... ....


I entered perfectly.


In addition, install a plastic cover.


Attach the bolt to the tip of the metal pipe ...


Attached quick connect coupler.


In addition, prepare an old oxygen tank ... ...


Here is a coupler.


The pressure of the air packed in the tank is 400 PSI (27 bar)


Stuff the air in the tank.


On a special desk fitted with metal fittings ......


Fix the strongest nurf.


Squeeze firmly and secure.


Behind the muzzle is Red Bull Can.


I put a tank on the base of the gun.


Remove the cover ... ...


Sponge the bullets.


Attach the cover again.


Air from tank ......


release!


When air is released ......


In a blink of an eye, the Red Bull can has been overwhelmed.


It seems that the sponge bullet penetrated at an invisible speed.


There is a big crack on the driven surface.


A penetrating sponge bullet. At first glance it looks intact, but ...


The side was ruptured rude.


Giaco also uses the super slow camera to measure the speed of the world's fastest nurf. As a result, it turned out that the speed blew out "Mach 2.351" more than twice the speed of sound.

NERF Dart Breaks the Sound Barrier, yes really - YouTube