tulistustulipesäperiaatteella

The term "tulistustulipesäperiaatteella" is a Finnish compound word that translates roughly to "by means of a firing pin" or "with the principle of a firing pin." It refers to a mechanism or method that operates on the principle of a firing pin striking a primer to initiate combustion, most commonly associated with firearms.

This principle is fundamental to the operation of most conventional cartridge-based firearms. When the trigger is pulled, a hammer or striker is released, propelling a firing pin forward. The firing pin strikes the percussion cap or primer of a cartridge, causing it to detonate. This initial explosion ignites the main propellant charge within the cartridge, which then rapidly burns, producing a large volume of expanding gases. These gases force a projectile, such as a bullet, down the barrel of the firearm at high velocity.

Beyond firearms, the concept of "tulistustulipesäperiaatteella" can be understood more broadly as any system that uses a sharp, forceful impact to ignite a sensitive substance or initiate a reaction. This might include certain types of explosive devices or even simpler ignition mechanisms where a striking element causes a spark or heat to ignite a flammable material. The core idea is the direct application of kinetic energy through a pin-like object to trigger a chemical or explosive event.