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» Economics » Pyrotechnics » Topics begins with F » Fuze

Page modified: Wednesday, July 13, 2011 15:42:47

A fuze serves an explosive explosion for releasing.

Modern explosives can be ignited not simply by means of heat, but need heat and pressure, in order to arrive for the reaction.

Fuzes are to bring the effect charge reliably to the desired time to the explosion. A security is desired before against an inadvertent ignition. Therefore fuzes are stored and transported frequently separately from the actual effect means and inserted only directly before the employment into the explosive charge.

The actual ignition can take place thereby multi-level, then a citation can be ignited in electrical way, which ignites an amplifier charge, which ignites again only the actual effect charge. The amplifier charge can be arranged also in such a way that the effect charge in several places is ignited.

The most diverse fuzes were developed by the different requirements. Thus the artillery orders bspw. over:

  • Impact fuze
    • Impact fuze with delay
  • Time fuse, which ignites after a certain running time
  • Proximity fuze, ignites in a certain distance to the goal
  • Spacer division fuze, ignites with a certain distance to the goal or after a certain time.

Sometimes time and proximity fuzes possess additionally an impact function, in order to force a releasing at the latest with the impact the ground. These fuzes are called

With very small distance between explosion place and a goal simple impact fuzes can be transformed by means of a staff attached at the point of the bomb into a proximity fuze with aerial bombs (see also DIN local staff).

All modern fuzes of artillery shells have an inserted Vorrohrsicherheit, which makes the fuze sharp only in a certain distance from the cannon, this by using the spin are usually reached. The requirements in terms of the shock security of fuzes are very high, since with the firing accelerations of over 10.000 g to garnet can occur.

In mines or bombs again different fuzes are used. These are based bspw. on the following operational principles:

  • mechanical contact
  • Magnetic field
  • Pressure
  • Sound
  • Active distance measurement over electromagnetic waves

Explosive charges are usually ignited over cartridges. The cartridge is ignited thereby either electrically or thermally by means of an igniter cord.

See also: Magneto ignition

Igniting propellants or fuels is caused by a . With fixed ammunition the propellant is usually ignited by a primer cap. Only with gun ammunition the primer cap is called also fuze.

Articles in category "Fuze"

We found here 9 articles.


» Fall out (fireworks)
» Feuershow
» Fire work
» Fireworks
» Fireworks rocket
» Flame copy safety device
» Flashpulver
» Foil fuze
» Fuze

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