It's cool. And relatively easy.

Feb 26, 2023 · We’ll show you how to make a very simple tennis ball cannon made entirely from soup cans in this article. The only thing you need to do is wrap eight or nine soup cans in …

May 10, 2019 · One thing we did that was a lot of fun was built and shoot off ‘Polish cannons’ (aka ‘tennis ball cannon’). It was a simple contraption that had an explosive component that wasn’t …

Today we're building a super simple tennis ball cannon that can pack a massive punch! We might've lost some tennis balls in the testing process...

Polish Armament in 1939–45 article is a list of equipment used by Polish army before and during the Invasion of Poland, foreign service in British Commonwealth forces and last campaign to …

When I was a kid we used to cart around a Polish Cannon on Halloween just to make a lot of racket. I passed down the construction design to my son about a month ago, but then …

The Polsten was a Polish development of the 20 mm Oerlikon gun. The Polsten was designed to be simpler and much cheaper to build than the Oerlikon, without reducing effectiveness.

The nkm wz. 38 FK (Polish military acronym meaning heaviest machine gun pattern 1938) was a 20 mm heavy machine gun (autocannon by modern terminology) produced in inter-war …

Ordnance: Polsten 20mm Cannon . Developed by Polish engineers in the late 1930s the Polsten became a cheaper and simpler alternative to the ubiquitous 20mm Oerlikon. The Poles …