View Full Version : Man Creates Pump Gun That Shoots Knives

Prairie Dog
02-24-2016, 11:53 AM
If you’ve ever bought anything online, you’ve probably seen those cheap, disposable Japanese throwing knives called kunai. Now, these aren’t anything like traditional kunai, which are forged in soft iron and generally aren’t meant to be thrown. These are the type of knives that sell for about $2 each and bounce off just about everything. They’re pretty ineffective on their own, but what if you put them in a pump-operated slingshot?

Now we’re talking.

Slingshot designer extraordinaire Joerg Sprave is back with a new invention, and it puts these mall ninja knives to the ultimate test.



02-24-2016, 12:02 PM
i've watched joerg since he started his channel. This isn't even the weirdest or coolest thing hes' built :)

02-24-2016, 12:22 PM
I liked the one that fired machetes....pretty sure this is the same guy. I dig his maniacal laugh....

02-24-2016, 12:37 PM
The six shot arrow auto arrow launcher was pretty cool. This knife thrower may be really interesting once he builds the aluminium model he was talking about.

02-24-2016, 04:39 PM
Don't show this video to Trudeau! He'll ask the RCMP to enforce a general ban of semi automatic, rubberband powered, assault weapons ! Slingshots will be next!

02-24-2016, 06:55 PM
i've watched joerg since he started his channel. This isn't even the weirdest or coolest thing hes' built :)

I didn't even have to watch the video in this thread -- he builds most things using similar techniques, so I know what he did without even looking.

02-25-2016, 12:04 AM
ACME would be proud.

Prairie Dog
03-14-2016, 11:46 AM
The man is inventive.


03-14-2016, 12:54 PM
I guess the ball bearing to the head hasn't put him off....or taught him much about safety lol

^v^Tinda wolf^v^
04-24-2016, 12:27 PM
I've seen this guy before and enjoy his videos ! Very innovative !