EP3359909A1 - Projectile having a reduced range - Google Patents

Projectile having a reduced range

Info

Publication number
EP3359909A1
EP3359909A1 EP16785100.5A EP16785100A EP3359909A1 EP 3359909 A1 EP3359909 A1 EP 3359909A1 EP 16785100 A EP16785100 A EP 16785100A EP 3359909 A1 EP3359909 A1 EP 3359909A1
Authority
EP
European Patent Office
Prior art keywords
projectile
charge
tracer
pressure
delay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16785100.5A
Other languages
German (de)
French (fr)
Other versions
EP3359909B1 (en
Inventor
Andreas Blache
Dirk Meisterhans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3359909A1 publication Critical patent/EP3359909A1/en
Application granted granted Critical
Publication of EP3359909B1 publication Critical patent/EP3359909B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles
    • F42B8/14—Projectiles or missiles disintegrating in flight or upon impact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F42B10/52—Nose cones

Definitions

  • the invention relates to a projectile or an ammunition, also with a training bullet or a training ammunition, on the one hand compared to the introduced combat or mecanicsmunitäon up to a predefined combat distance ballistic equality, on the other hand degrades faster when exceeding this distance the speed and thus compared to the imported ammunition has a significantly limited overall range.
  • a security system for malleable ammunition with self-decomposition is known.
  • a self-separation mechanism remains active until a check of the function of a detonator is completed. If the result is negative, a self-decomposition takes place, which is thus placed at the beginning of the mission. Further self-separation devices can be taken from DE 100 20 637 C1 or DE 43 35 938 C2.
  • the invention takes on the task to show an ammunition that meets the safety requirements of the users.
  • the object is achieved by the features of claim 1.
  • Advantageous embodiments are the dependent claims.
  • the invention is based on the idea of specifying an ammunition which in a so-called main combat distance does not undergo any external ballistic disturbances which, however, if the target has not been hit, can reduce the velocity much faster. Especially during practice ammunition they have to show as much as possible the same characteristics as the corresponding combat ammunition within the training main combat detachment, but then they can reduce the speed much faster. These requirements are ensured by the fact that after reaching this Trents, Main combat distance, the air resistance of the projectile is increased or the trajectory of the projectile is influenced in such a way that the speed is reduced faster and the trajectory is reduced (shortened). For this purpose, a change is made on the floor, which causes the change in air resistance or the change in Fiug s.
  • the ammunition or the practice round consists of a projectile body, which receives a bullet-giver.
  • a bullet-giver This e.g. screwed or snapping Geunterogive has in a first variant at least one predetermined breaking point. Along this predetermined breaking point, the bullet-proof can be torn open. The tearing then changes the air resistance of the projectile.
  • the Geunterogive is preferably made of plastic, alternatively aluminum, etc.
  • the projectile body may consist of steel, in the projectile body is further provided a pressure-generating charge which act on the Geunterogive with predetermined breaking point and this can tear or open.
  • At least one delay element is integrated in the projectile body.
  • the at least one retardation element can also be introduced in addition to the tracer track. With two or more delay elements, these are to be mounted symmetrically in the projectile body.
  • the number of delay elements "n" is freely selectable, preferably the pyrotechnic retardation elements
  • the tracer and the deceleration element (s) are in contact with the pressure generating charge at the end of their focal length, which is also carried in the projectile body Again, this is preferably a pyrotechnic charge
  • the design of the plastic log and the projectile body is made in such a way that the ballistic equality with the introduced combat or practice ammunition is maintained.
  • Tracer light as well as retardation element (s) are designed so that they allow the projectile to fly smoothly over a certain distance (main combat distance). Therefore, according to the distance or time of flight of the projectile, they have a charge with a preset nominal burning time. Due to the hot powder gases when the projectile is fired, the tracer track or the pyrotechnic retardation element (s) are ignited in the projectile body. After leaving the gun barrel on the trajectory of the projectile is fired by the one or more delay elements and their delay lines or by the tracer at the end of the preset burning duration arranged in the projectile body pressure generating charge. As a result of the internal pressure arising in the projectile, the projectile giveaway opens along its predetermined breaking points, thereby changing the aerodynamic resistance of the projectile. This changed air resistance ensures that a predetermined residual flight distance is not exceeded.
  • the nozzle or the nozzles are each covered by a membrane or rupture disc, which ruptures under pressure.
  • a pressure-generating charge in the projectile body, which is functionally connected to the at least one tracer track and / or the at least one deceleration element.
  • burning burning time
  • the initiation of the pressure charge takes place, which then acts on the projectile in such a way that after reaching a time of flight (depending on the burning time) the trajectory of the projectile is influenced.
  • the advantage of this construction is, among other things, that all demands for ballistic equality are met up to a predefined combat distance.
  • the desired shot distances can be adjusted before production by adjusting the burning time of the delay lines in the delay elements and the light track.
  • Newer applications also provide for the setting of the burn time of the delay elements on site.
  • FIG. 1 shows a first variant in a side view in sectional view
  • Fig. 3 shows the combination of both variants in a side view in a sectional view
  • Fig. 4 is a rear side plan view of the variants.
  • FIG. 1 shows a projectile 1 with a projectile 2 and a projectile body 3.
  • the projectile 2 is mounted on the projectile body 3, for example screwed.
  • the Geunterogive 2 is preferably made of a plastic.
  • the projectile 2 has on the supply side at least one Soilbruchstelle 4.
  • the predetermined breaking point is preferably integrated in the longitudinal direction of the projectile 1. However, several predetermined breaking points 4, at least two, have proved to be advantageous.
  • the projectile body 3 which may preferably consist of steel, four pyrotechnic retardation elements 6 are mounted symmetrically about the tracer 5 next to a tracer 5 here.
  • the tracer 5 as well as the pyrotechnic see delay elements 6 have at the end of their firing contact to a pressure-generating pyrotechnic charge 7.
  • the number "n" of the delay elements 6 is arbitrary and not limited to four. Accordingly, it may be sufficient if only a delay charge 6 is integrated. In the presence of a tracer 5 also delay elements 6 can also be dispensed with entirely if the function of triggering the charge 7 is taken over by the tracer 5. For a high level of functional reliability, however, at least two delay lines or delay elements 6 should be provided.
  • the pyrotechnic pressure charge 7 is limited by a bursting membrane 8.
  • FIG. 2 shows a projectile 11 with a projectile 12 and a projectile body 13.
  • the projectile body 13 which likewise preferably consists of steel, four pyrotechnic retardation elements 16 are mounted symmetrically about the tracer track 15 in addition to a tracer track 15.
  • the tracer 15 as well as the pyrotechnic delay elements 16 have at the end of their firing contact with a pressure-generating pyrotechnic charge 17.
  • the number of delay elements 16 is also freely selectable.
  • the bullet train 2 concludes in this embodiment with a cover 18 from which in turn limits the charge 17.
  • the projectile body 13 on the circumference at least one the projectile body 13 penetrating opening 19, which is closed by means of a rupture disk 10.
  • FIG. 3 shows the combination of the two variants in a projectile 21 with a projectile 22 and a projectile body 23.
  • the projectile 22 has at least one predetermined breaking point 24 and the projectile body 23 has at least one opening 29 on the circumference, preferably in the form of a nozzle which enlarges outwards , This is closed by a rupture disk 20.
  • a pressure generating charge 27 is limited by a bursting membrane 28.
  • the projectile body 23 at least one tracer track 25 and here four delay elements 26 are integrated.
  • the tracer track 25 as well as the pyrotechnic delay elements 26 have contact with the pyrotechnic pressure charge 27 at the end of their firing plugs.
  • FIG. 4 shows the projectile 1, 11, 21 in a rear view.
  • Well visible here is the symmetrical arrangement of the delay elements 6, 16, 26 to the tracer 5, 15, 25. This arrangement is the preferred embodiment, but is for the operation not mandatory.
  • Alternative integrations are known to the person skilled in the art, such as an asymmetrical arrangement and / or an alignment of the delay elements 6, 16, 26 running at an angle to the charge 7, 17, 27.
  • the adjustable burning time of the light track 5, 15, 25 as well as the delay elements 6, 16, 26 is determined according to the present idea by the distance to the target, the time t of the projectile in the defined combat space, that is, the defined combat distance.
  • the setting of the time of flight t or of the burning time takes place by selecting the length of the delay path within the delay elements 6, 16, 26. Such an adjustment is shown, for example, by DE 10 2013 013 705 A1, DE 10 2012 014 1450 A1 or DE 10 2012 014 149 B3, which is hereby incorporated by reference.
  • the maximum total range of the projectile 1, 11, 21 to the weapon is usually at about 3000m.
  • the soldiers are among others at a distance of about 5000m to the firing weapon.
  • the so-called practice or main fight distance is then often at 1200m to 1400m.
  • the nominal burning time to be selected in this constellation is approx. 1.2 s.
  • the remaining flight distance of the projectile 1, 11, 21 would then result from the difference of 3000m and the combat distance 1400m. It is understood that the data given here are not restrictive, but rather more form an approach for the free choice of presettable burning time and thus the flight time of the projectile 1, 11, 21.

Abstract

The invention relates to a projectile (1, 11, 21), also as a training projectile which, on the one hand, has ballistic equality compared to the inserted ammunition or training ammunition up to a pre-defined battle distance, on the other hand, however, decreases the velocity significantly faster when said distance is exceeded and thus has a significantly restricted total range relative to the inserted ammunition. The projectile (1, 11, 21) comprises a projectile body (3, 13, 23), a projectile ogive (2, 12, 22), and at least one tracer (5, 15, 25) and/or at least one delay element (6, 16, 26). In order to reduce the velocity and the trajectory, a pressure-generating charge (7, 17, 27), according to the invention, is incorporated in the projectile body (3, 13, 23), which pressure-generating charge is functionally connected to the at least one tracer (5, 5, 25) and/or the at least one delay element (6, 216, 26). After burning of the tracer (5, 15, 25) or the delay charge inside the delay element (6, 16, 26), the initiation of the charge (7, 17, 27) takes place which then acts on the projectile (1, 11, 21) in such a way that after a set flying time (t) is reached, the trajectory of the projectile (1, 11, 21) is influenced.

Description

BESCHREIBUNG  DESCRIPTION
Geschoss mit reduzierter Reichweite Projectile with reduced range
Die Erfindung beschäftigt sich mit einem Geschoss bzw. einer Munition, auch mit einem Übungsgeschoss bzw. einer Übungsmunition, die einerseits im Vergleich zur eingeführten Gefechts- oder Übungsmunitäon bis zu einer vordefinierten Kampfentfernung ballistische Gleichheit aufweist, andererseits bei Überschreitung dieser Entfernung deutlich schneller die Geschwindigkeit abbaut und damit gegenüber der eingeführten Munition eine deutlich eingeschränkte Gesamtreichweite vorweist. Aus der DE 10 2005 030 263 B3 ist ein Sicherheitssystem für tempierbare Munition mit Selbstzerlegung bekannt. Dabei bleibt ein Selbstzerlegungsmechanismus solange aktiv, bis eine Überprüfung der Funktion eines Zünders abgeschlossen ist. Bei negativem Ergebnis erfolgt eine Selbstzerlegung, die somit an den Anfang der Mission gelegt wird. Weitere Selbstzerlegungseinrichtungen sind der DE 100 20 637 C1 oder der DE 43 35 938 C2 entnehmbar. The invention relates to a projectile or an ammunition, also with a training bullet or a training ammunition, on the one hand compared to the introduced combat or Übungsmunitäon up to a predefined combat distance ballistic equality, on the other hand degrades faster when exceeding this distance the speed and thus compared to the imported ammunition has a significantly limited overall range. From DE 10 2005 030 263 B3 a security system for malleable ammunition with self-decomposition is known. In this case, a self-separation mechanism remains active until a check of the function of a detonator is completed. If the result is negative, a self-decomposition takes place, which is thus placed at the beginning of the mission. Further self-separation devices can be taken from DE 100 20 637 C1 or DE 43 35 938 C2.
Es sind zudem Gefechtsmunitionen bekannt, bei denen eine im Geschossheck integrierte Leuchtspur kurz vor dem Ende ihrer Brenndauer dazu genutzt wird, die im Geschoss integrierte Sprengladung zu zünden. Dadurch wird verhindert, dass Blindgänger im Kampffeld herumliegen, wenn die Gefechtsmunition das Ziel nicht getroffen hat. Nachteilig ist, dass die notwendige Zuverlässigkeit der Selbstvernichtung nicht immer gewährleistet ist. Combat ammunition is also known in which a tracer tail integrated into the bullet tail is used shortly before the end of its burning time to ignite the explosive charge integrated in the bullet. This will prevent duds from lying around in the battlefield if the combat ammunition has not hit the target. The disadvantage is that the necessary reliability of self-destruction is not always guaranteed.
Neue Einsatzszenarien der Soldaten bzw. Infanterieeinheiten machen intensives Üben für diese Zwecke notwendig. Um die Soldaten nicht durch den eigenen Beschuss bei Übungen zu gefährden und um auch Blindgänger zu vermeiden, müssen Gefechts- wie auch Übungsmunitionen sicherheitsrelevante Anforderungen der Anwender entsprechen. Aus der DE 36 17 656 A1 ist ein Übungsgeschoss mit verkürzter Reichweite bekannt, das ein Kopftei! als ballistische Haube und einen Geschosskörper aufweist. Kopfteii und Geschosskörper sind über einen pyrotechnischen Verzögerungsmechanismus und eine Aus- treibladung voneinander trennbar. New deployment scenarios of the soldiers or infantry units make intensive training necessary for these purposes. In order not to endanger the soldiers by their own shelling during exercises and to avoid duds, combat and practice ammunition must comply with safety-relevant requirements of the users. From DE 36 17 656 A1 a practice projectile with a shortened range is known that a Kopftei! as a ballistic hood and a projectile body. Headpiece and projectile body are separable from each other via a pyrotechnic delay mechanism and an expelling charge.
Hier greift die Erfindung die Aufgabe auf, eine Munition aufzuzeigen, die auch die sicher- heitsreievanten Anforderungen der Anwender erfüllt. Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1. Vorteilhafte Ausgestaltungen sind den Unteransprüchen entnehmbar. Here, the invention takes on the task to show an ammunition that meets the safety requirements of the users. The object is achieved by the features of claim 1. Advantageous embodiments are the dependent claims.
Der Erfindung liegt die Idee zugrunde, eine Munition anzugeben, die in einer so genannten Hauptkampfentfernung außenballistisch keinerlei Störungen unterliegt, die dann aber, wenn das Ziel nicht getroffen wurde, deutlich schneller die Geschwindigkeit abbauen kann. Insbesondere bei Übungsmunitionen müssen diese innerhalb der Übungshauptkampfentfemung möglichst identische Eigenschaften vorweisen wie die entsprechende Gefechtsmunition, dann aber deutlich schneller die Geschwindigkeit abbauen können. Diese Anforderungen werden dadurch sichergestellt, dass nach Erreichen dieser Übungsbzw. Hauptkampfentfernung der Luftwiderstand des Geschosses erhöht wird bzw. die Flugbahn des Geschosses derart beeinflusst wird, dass die Geschwindigkeit schneller abgebaut und die Flugbahn reduziert (verkürzt) wird. Dazu wird am Geschoss einer Veränderung vorgenommen, die die Änderung des Luftwiderstandes bzw. die Änderung des Fiugverhaltens bewirkt. The invention is based on the idea of specifying an ammunition which in a so-called main combat distance does not undergo any external ballistic disturbances which, however, if the target has not been hit, can reduce the velocity much faster. Especially during practice ammunition they have to show as much as possible the same characteristics as the corresponding combat ammunition within the training main combat detachment, but then they can reduce the speed much faster. These requirements are ensured by the fact that after reaching this Übungsbzw. Main combat distance, the air resistance of the projectile is increased or the trajectory of the projectile is influenced in such a way that the speed is reduced faster and the trajectory is reduced (shortened). For this purpose, a change is made on the floor, which causes the change in air resistance or the change in Fiugverhaltens.
Die Munition bzw. das Übungsgeschoss besteht aus einem Geschosskörper, der eine Geschossogive aufnimmt. Diese z.B. eingeschraubte oder einschnappende Geschossogive weist in einer ersten Variante zumindest eine Sollbruchstelle auf. Entlang dieser Sollbruch- stelle kann die Geschossogive aufreißen. Durch das Aufreißen verändert sich dann der Luftwiderstand des Geschosses. Die Geschossogive besteht bevorzugt aus Kunststoff, alternativ aus Aluminium etc. Der Geschosskörper kann aus Stahl bestehen, im Geschosskörper ist des Weiteren eine Druck erzeugende Ladung vorgesehen, die auf die Geschossogive mit Sollbruchstelle einwirken und diese aufreißen bzw. öffnen kann. The ammunition or the practice round consists of a projectile body, which receives a bullet-giver. This e.g. screwed or snapping Geschossogive has in a first variant at least one predetermined breaking point. Along this predetermined breaking point, the bullet-proof can be torn open. The tearing then changes the air resistance of the projectile. The Geschossogive is preferably made of plastic, alternatively aluminum, etc. The projectile body may consist of steel, in the projectile body is further provided a pressure-generating charge which act on the Geschossogive with predetermined breaking point and this can tear or open.
Bevorzugt ist vorgesehen, dass zumindest ein Verzögerungselement im Geschosskörper eingebunden ist. Bei Übungsgeschossen, die in der Rege! über eine Leuchtspur verfügen, kann das wenigstens ein Verzögerungselement auch zusätzlich zur Leuchtspur eingebracht sein. Bei zwei oder mehreren Verzögerungseiementen sind diese symmetrisch im Geschosskörper anzubringen. Die Anzahl der Verzögerungselemente„n" ist frei wählbar. Be- vorzugt handelt es sich um pyrotechnische Verzögerungselemente. Leuchtspur als auch das bzw. die Verzögerungselement(e) haben am Ende ihrer Brennstrecke Kontakt zu der den Druck erzeugenden Ladung, die ebenfalls im Geschosskörper mitgeführt ist. Auch hierbei handelt es sich auch hier bevorzugt um eine pyrotechnische Ladung. Die Auslegung der Kunststoffogive und des Geschosskörpers erfolgt so, dass die ballistische Gleichheit zu den eingeführten Gefechts- oder Übungsmunitionen beibehalten wird. It is preferably provided that at least one delay element is integrated in the projectile body. In practice, which in the rain! have a tracer, the at least one retardation element can also be introduced in addition to the tracer track. With two or more delay elements, these are to be mounted symmetrically in the projectile body. The number of delay elements "n" is freely selectable, preferably the pyrotechnic retardation elements The tracer and the deceleration element (s) are in contact with the pressure generating charge at the end of their focal length, which is also carried in the projectile body Again, this is preferably a pyrotechnic charge The design of the plastic log and the projectile body is made in such a way that the ballistic equality with the introduced combat or practice ammunition is maintained.
Leuchtspur wie auch Verzögerungselement(e) sind so ausgelegt, dass diese das störungsfreie Fliegen des Geschosses über eine bestimmte Entfernung (Hauptkampfentfernung) zu- lassen. Entsprechend der Entfernung bzw. Flugzeit des Geschosses weisen sie daher eine Ladung mit voreingestellter nominaler Brenndauer auf. Durch die heißen Pulvergase beim Abschusses des Geschosses werden die Leuchtspur bzw. das oder die pyrotechnische(n) Verzögerungselement(e) im Geschosskörper angezündet. Nach Verlassen des Waffenrohres auf der Flugbahn des Geschosses wird durch die eine oder die mehreren Verzögerungsele- mente und deren Verzögerungsstrecken oder durch die Leuchtspur am Ende der voreingestellten Brenndauer die im Geschosskörper angeordnete Druck erzeugende Ladung angezündet. Durch den im Geschoss entstehenden Innendruck öffnet sich nach dieser Zeit die Geschossogive entlang ihrer Sollbruchstellen und verändert dadurch den Luftwiderstand des Geschosses. Durch diesen geänderten Luftwiderstand wird erreicht, dass eine vorgegebene Restflugstrecke nicht überschritten wird. Tracer light as well as retardation element (s) are designed so that they allow the projectile to fly smoothly over a certain distance (main combat distance). Therefore, according to the distance or time of flight of the projectile, they have a charge with a preset nominal burning time. Due to the hot powder gases when the projectile is fired, the tracer track or the pyrotechnic retardation element (s) are ignited in the projectile body. After leaving the gun barrel on the trajectory of the projectile is fired by the one or more delay elements and their delay lines or by the tracer at the end of the preset burning duration arranged in the projectile body pressure generating charge. As a result of the internal pressure arising in the projectile, the projectile giveaway opens along its predetermined breaking points, thereby changing the aerodynamic resistance of the projectile. This changed air resistance ensures that a predetermined residual flight distance is not exceeded.
Alternativ oder ergänzend kann durch die Druckwirkung eine beispielsweise seitlich im Geschosskörper eingebrachte Düse bzw. mehrere Düsen geöffnet .werden, um so das Geschoss zum Taumeln zu bringen. Die Düse bzw. die Düsen sind durch je eine Membran bzw. eine Berstscheibe verdeckt, die unter Druckeinwirkung aufreißt(en). Alternatively or additionally, by the pressure effect, for example, a laterally introduced in the projectile body nozzle or multiple nozzles .werden, so as to bring the projectile to tumble. The nozzle or the nozzles are each covered by a membrane or rupture disc, which ruptures under pressure.
Um die Geschwindigkeit und auch die Flugbahn zu reduzieren, wird somit vorgeschlagen, eine Druck erzeugende Ladung im Geschosskörper einzubinden, die mit der wenigstens einen Leuchtspur und / oder dem wenigstens einen Verzögerungselement funktional in Ver- bindung steht. Nach Abbrand (=Brenndauer) der Leuchtspur bzw. der Verzögerungsladung innerhalb des Verzögerungselements bzw. der Verzögerungselemente erfolgt die Initiierung der Druckladung, die dann auf das Geschoss derart einwirkt, dass nach Erreichen einer ein- gestellten Flugzeit (abhängig von der Brenndauer) die Flugbahn des Geschosses beeinflusst wird. Der Vorteil dieser Konstruktion liegt u.a. darin, dass alle Forderungen nach ballistischer Gleichheit bis zu einer vordefinierten Kampfentfernung eingehalten werden. Die gewünschten Schussentfernungen können bereits vor der Produktion durch Einstellen der Brenndauer der Verzögerungsstrecken in den Verzögerungselementen und der Leuchtspur eingestellt werden. Neuere Anmeldungen sehen auch die Einstellung der Brenndauer der Verzöge- rungse!emente vor Ort vor. In order to reduce the speed and also the trajectory, it is thus proposed to incorporate a pressure-generating charge in the projectile body, which is functionally connected to the at least one tracer track and / or the at least one deceleration element. After burning (= burning time) of the light trace or the delay charge within the delay element or the delay elements, the initiation of the pressure charge takes place, which then acts on the projectile in such a way that after reaching a time of flight (depending on the burning time) the trajectory of the projectile is influenced. The advantage of this construction is, among other things, that all demands for ballistic equality are met up to a predefined combat distance. The desired shot distances can be adjusted before production by adjusting the burning time of the delay lines in the delay elements and the light track. Newer applications also provide for the setting of the burn time of the delay elements on site.
Durch diese erfindungsgemäße konstruktive Maßnahme bzw. Maßnahmen wird gewährleistet, dass für den Bereich der Übungs- bzw. Hauptkampfentfernung die Munition außenballistisch identische Eigenschaften (Flugbahn) ausweisen wie die entsprechende Gefechtsmuni- tion, jedoch eine maximale Gesamt-Reichweite aber nicht überschritten wird. Insbesondere bei Übungen, wo die Infanterieeinheit in Schussrichtung gesehen hinter dem eigentlichen Ziel steht, wird somit die Sicherheit für die Soldaten erhöht. By means of this design measure or measures according to the invention, it is ensured that for the area of the training or main combat distance the ammunition exhibits properties identical to outside ballistics (trajectory) as the corresponding combat unit, but a maximum total range is not exceeded. In particular, in exercises where the infantry unit is seen in the direction of firing behind the actual target, thus increasing the security for the soldiers.
Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden. Es zeigt: Reference to an embodiment with drawing, the invention will be explained in more detail. It shows:
Fig. 1 eine erste Variante in einer Seitenansicht in Schnittdarstellung, 1 shows a first variant in a side view in sectional view,
Fig. 2 eine weitere Variante in einer Seitenansicht in Schnittdarstellung,  2 shows a further variant in a side view in sectional view,
Fig. 3 die Kombination beider Varianten in einer Seitenansicht in Schnittdarstellung, Fig. 4 eine heckseitige Draufsichtdarstellung der Varianten.  Fig. 3 shows the combination of both variants in a side view in a sectional view, Fig. 4 is a rear side plan view of the variants.
Die Fig. 1 zeigt ein Geschoss 1 mit einer Geschossogive 2 und einem Geschosskörper 3. Die Geschossogive 2 ist am Geschosskörper 3 befestigt, z.B. aufgeschraubt. Die Geschossogive 2 besteht bevorzugt aus einem Kunststoff. Die Geschossogive 2 weist um- fangsseitig mindestens eine Soilbruchstelle 4 auf. Die Sollbruchstelle ist bevorzugt in Längsrichtung des Geschosses 1 eingebunden. Als vorteilhaft haben sich aber mehrere Sollbruchstellen 4, wenigstens zwei, gezeigt. Im Geschosskörper 3, der vorzugsweise aus Stahl bestehen kann, sind neben einer Leuchtspur 5 hier vier pyrotechnische Verzögerungselemente 6 symmetrisch um die Leuchtspur 5 angebracht. Die Leuchtspur 5 wie auch die pyrotechni- sehen Verzögerungseiemente 6 haben am Ende ihrer Brennstecken Kontakt zu einer Druck erzeugenden pyrotechnischen Ladung 7. Die Anzahl "n" der Verzögerungseiemente 6 ist frei wählbar und nicht auf vier beschränkt. Entsprechend kann es auch ausreichen, wenn nur eine Verzögerungsiadung 6 eingebunden ist. Bei Vorhandensein einer Leuchtspur 5 kann zudem auf Verzögerungselemente 6 auch ganz verzichtet werden, wenn die Funktion des Auslösens der Ladung 7 durch die Leuchtspur 5 übernommen wird. Für eine hohe Funkti- onssicherheit sollten aber zumindest zwei Verzögerungsstrecken bzw. Verzögerungselemente 6 vorgesehen werden. Die pyrotechnische Druckladung 7 wird durch eine Berstmembran 8 begrenzt. FIG. 1 shows a projectile 1 with a projectile 2 and a projectile body 3. The projectile 2 is mounted on the projectile body 3, for example screwed. The Geschossogive 2 is preferably made of a plastic. The projectile 2 has on the supply side at least one Soilbruchstelle 4. The predetermined breaking point is preferably integrated in the longitudinal direction of the projectile 1. However, several predetermined breaking points 4, at least two, have proved to be advantageous. In the projectile body 3, which may preferably consist of steel, four pyrotechnic retardation elements 6 are mounted symmetrically about the tracer 5 next to a tracer 5 here. The tracer 5 as well as the pyrotechnic see delay elements 6 have at the end of their firing contact to a pressure-generating pyrotechnic charge 7. The number "n" of the delay elements 6 is arbitrary and not limited to four. Accordingly, it may be sufficient if only a delay charge 6 is integrated. In the presence of a tracer 5 also delay elements 6 can also be dispensed with entirely if the function of triggering the charge 7 is taken over by the tracer 5. For a high level of functional reliability, however, at least two delay lines or delay elements 6 should be provided. The pyrotechnic pressure charge 7 is limited by a bursting membrane 8.
Fig. 2 zeigt ein Geschoss 11 mit einer Geschossogive 12 und einem Geschosskörper 13. Im Geschosskörper 13, der ebenfalls bevorzugt aus Stahl besteht, sind neben einer Leuchtspur 15 auch hier vier pyrotechnische Verzögerungselemente 16 symmetrisch um die Leuchtspur 15 angebracht. Die Leuchtspur 15 wie auch die pyrotechnischen Verzögerungselemente 16 haben am Ende ihrer Brennstecken Kontakt zu einer Druck erzeugenden pyrotechnischen Ladung 17. Die Anzahl der Verzögerungselemente 16 ist gleichfalls frei wählbar. Die Geschossogive 2 schließt in diesem Ausführungsbeispiel mit einer Abdeckscheibe 18 ab, die ihrerseits die Ladung 17 begrenzt. Bevorzugt weist der Geschosskörper 13 umfangsseitig wenigstens eine den Geschosskörper 13 durchdringende Öffnung 19 auf, die mittels einer Berstscheibe 10 verschlossen ist. Eine Einbindung der Öffnung (19) in die Geschossogive 12 ist gleichfalls denkbar, wenn die Abdeckscheibe 18 ihrerseits bersten kann. Die Öffnung 19 ist bevorzugt düsenförmig ausgeführt. Die Einbindung in den Geschosskörper 13 bzw. die Geschossogive 12 erfolgt bevorzugt mit einem sich nach Außen vergrößernden Durchmesser. Alternativen sind gegeben, wie z.B. ein sich nach Außen verjüngenden Durchmesser. Auch eine gleich bleibende Öffnung 9 ist möglich. Fig. 3 zeigt die Kombination beider Varianten in einem Geschoss 21 mit einer Geschossogive 22 und einem Geschosskörper 23. Die Geschossogive 22 weist wenigstens eine Sollbruchstelle 24 und der Geschosskörper 23 umfangsseitig wenigstens eine Öffnung 29 auf, bevorzugt in Form einer sich nach Außen hin vergrößernden Düse. Diese wird von einer Berstscheibe 20 verschlossen. Eine Druck erzeugende Ladung 27 wird durch eine Berstmembran 28 begrenzt. Im Geschosskörper 23 sind wenigstens eine Leuchtspur 25 sowie auch hier vier Verzögerungselemente 26 integriert. Die Leuchtspur 25 wie auch die pyrotechnischen Verzögerungseiemente 26 haben am Ende ihrer Brennstecken Kontakt zu der pyrotechnischen Druckladung 27. Fig. 4 zeigt das Geschoss 1 , 11, 21 in einer heckseitigen Darstellung. Gut erkennbar ist hier die symmetrische Anordnung der Verzögerungselemente 6, 16, 26 um die Leuchtspur 5, 15, 25. Diese Anordnung stellt die bevorzugte Ausführung dar, ist jedoch für die Funktionsweise nicht verpflichtend. Alternative Einbindungen kennt der Fachmann, wie eine unsymmetrische Anordnung und / oder eine schräg zur Ladung 7, 17, 27 verlaufende Ausrichtung der Verzögerungselemente 6, 16, 26. FIG. 2 shows a projectile 11 with a projectile 12 and a projectile body 13. In the projectile body 13, which likewise preferably consists of steel, four pyrotechnic retardation elements 16 are mounted symmetrically about the tracer track 15 in addition to a tracer track 15. The tracer 15 as well as the pyrotechnic delay elements 16 have at the end of their firing contact with a pressure-generating pyrotechnic charge 17. The number of delay elements 16 is also freely selectable. The bullet train 2 concludes in this embodiment with a cover 18 from which in turn limits the charge 17. Preferably, the projectile body 13 on the circumference at least one the projectile body 13 penetrating opening 19, which is closed by means of a rupture disk 10. An integration of the opening (19) in the Geschossogive 12 is also conceivable when the cover 18 can burst in turn. The opening 19 is preferably designed nozzle-shaped. The integration in the projectile body 13 and the bullet train 12 is preferably carried out with a diameter enlarging to the outside. Alternatives are given, such as an outwardly tapering diameter. A constant opening 9 is possible. FIG. 3 shows the combination of the two variants in a projectile 21 with a projectile 22 and a projectile body 23. The projectile 22 has at least one predetermined breaking point 24 and the projectile body 23 has at least one opening 29 on the circumference, preferably in the form of a nozzle which enlarges outwards , This is closed by a rupture disk 20. A pressure generating charge 27 is limited by a bursting membrane 28. In the projectile body 23 at least one tracer track 25 and here four delay elements 26 are integrated. The tracer track 25 as well as the pyrotechnic delay elements 26 have contact with the pyrotechnic pressure charge 27 at the end of their firing plugs. FIG. 4 shows the projectile 1, 11, 21 in a rear view. Well visible here is the symmetrical arrangement of the delay elements 6, 16, 26 to the tracer 5, 15, 25. This arrangement is the preferred embodiment, but is for the operation not mandatory. Alternative integrations are known to the person skilled in the art, such as an asymmetrical arrangement and / or an alignment of the delay elements 6, 16, 26 running at an angle to the charge 7, 17, 27.
Die Funktionsweise ist wie folgt: The operation is as follows:
Die einstellbare Brenndauer der Leuchtspur 5, 15, 25 wie auch die Verzögerungselemente 6, 16, 26 wird gemäß der vorliegenden Idee bestimmt durch die Entfernung zum Ziel, der Flug- zeit t des Geschosses in den definierten Kampfraum, d.h., der definierten Kampfentfernung. Die Einstellung der Flugzeit t bzw. der Brenndauer erfolgt durch Wahl der Länge der Verzögern ngsstrecke innerhalb der Verzögerungselemente 6, 16, 26. Eine derartige Einstellung zeigen beispielsweise die DE 10 2013 013 705 A1 , die DE 10 2012 014 1450 A1 oder DE 10 2012 014 149 B3, auf die hiermit Bezug genommen wird. The adjustable burning time of the light track 5, 15, 25 as well as the delay elements 6, 16, 26 is determined according to the present idea by the distance to the target, the time t of the projectile in the defined combat space, that is, the defined combat distance. The setting of the time of flight t or of the burning time takes place by selecting the length of the delay path within the delay elements 6, 16, 26. Such an adjustment is shown, for example, by DE 10 2013 013 705 A1, DE 10 2012 014 1450 A1 or DE 10 2012 014 149 B3, which is hereby incorporated by reference.
Nach Verlassen eines nicht näher dargestellten Waffenrohres einer nicht weiter dargestellten Waffe wird durch das / die Verzögerungselement(e) 6, 16, 26 und / oder der Leuchtspur 5, 15, 25 des Geschosses 1 (Verzögerungsstrecken) die Druckladung 7, 7, 27 gezündet. Durch den dadurch entstehenden Innendruck, der auf die Geschossogive 2 einwirkt, werden gemäß Fig. 1 die Geschossogive 2 entlang der Sollbruchstelle(n) 4, gemäß Fig. 2 die Berstscheibe 10 und gemäß Fig. 3 die Sollbruchstelle(n) 24 sowie die Berstscheibe 20 aufgerissen. Dadurch verändert sich gemäß Fig. 1 und 3 der Luftwiderstand des Geschosses 1 , 21 das nunmehr schneller abbremst. Das Geschoss 1 gemäß Fig. 2 hingegen beginnt zu taumeln, wodurch ebenfalls die Geschwindigkeit des Geschosses 11 beeinflusst wird. Eine festgelegte Restflugstrecke wird durch diese Maßnahme keines der Geschosse 1 , 11 , 21 überschritten. After leaving an unillustrated gun barrel of a weapon not shown by the / the delay element (s) 6, 16, 26 and / or the tracer track 5, 15, 25 of the projectile 1 (delay lines) the pressure charge 7, 7, 27 ignited , As a result of the resulting internal pressure, which acts on the projectile 2, according to FIG. 1, the projectile 2 along the predetermined breaking point (s) 4, according to FIG. 2, the rupture disk 10 and according to FIG. 3, the predetermined breaking point (s) 24 and the rupture disk 20 torn open. As a result, as shown in FIGS. 1 and 3, the air resistance of the projectile 1, 21 now slows down faster. The projectile 1 according to FIG. 2, on the other hand, begins to wobble, as a result of which the velocity of the projectile 11 is likewise influenced. A defined residual route is exceeded by this measure none of the projectiles 1, 11, 21.
Insbesondere bei Übungen, wo die Infanterieeinheit in Schussrichtung gesehen hinter dem eigentlichen Ziel steht, liegt die maximale Gesamt-Reichweite des Geschosses 1 , 11 , 21 zur Waffe in der Regel bei ca. 3000m. Die Soldaten befinden sich u. a. in einer Entfernung von ca. 5000m zur verschießenden Waffe. Die so genannte Übungs- bzw. Hauptkampfentfernung liegt dann häufig bei 1200m bis 1400m. Die zu wählende nominale Brenndauer beträgt in dieser Konstellation ca. 1 ,2 s. Die Restflugstrecke des Geschosses 1 , 11 , 21 würde sich dann aus der Differenz von 3000m und der Kampfentfernung 1400m ergeben. Es versteht sich, dass die hier angegebenen Daten nicht beschränkend anzusehen sind, sondern viel- mehr einen Ansatz für die freie Wahl der voreinstellbaren Brenndauer und damit der Flugzeit des Geschosses 1 , 11 , 21 bilden. Anstelle der pyrotechnischen Verzögerungsstrecken (Laufstrecken) für die Initiierung der Ladung 7, 17, 27 können auch elektrische Timerelemente verwendet werden. Auch besteht die Möglichkeit, ansteile der pyrotechnischen Ladung CO2 Kartuschen zu nutzen. Die Verwendung von Aluminium als Material für die Geschossogive 2, 12, 22 ist gleichfalls denkbar. Alternativen für Stahl als Geschosskörper 3, 13, 23 kennt der Fachmann und wird diese hier einsetzen. In particular, in exercises where the infantry unit is seen in the direction of firing behind the actual target, the maximum total range of the projectile 1, 11, 21 to the weapon is usually at about 3000m. The soldiers are among others at a distance of about 5000m to the firing weapon. The so-called practice or main fight distance is then often at 1200m to 1400m. The nominal burning time to be selected in this constellation is approx. 1.2 s. The remaining flight distance of the projectile 1, 11, 21 would then result from the difference of 3000m and the combat distance 1400m. It is understood that the data given here are not restrictive, but rather more form an approach for the free choice of presettable burning time and thus the flight time of the projectile 1, 11, 21. Instead of the pyrotechnic delay paths (running paths) for the initiation of the charge 7, 17, 27 and electrical timer elements can be used. It is also possible to use CO2 cartridges on parts of the pyrotechnic charge. The use of aluminum as a material for the Geschossogive 2, 12, 22 is also conceivable. Alternatives for steel as projectile body 3, 13, 23 knows the expert and will use this here.

Claims

PATENTANSPRÜCHE
1. Geschoss (1, 11, 21 ) mit einem Geschosskörper (3, 13, 23) sowie einer Geschossogive (2, 12, 22) sowie wenigstens einer Leuchtspur (5, 15, 25) und / oder wenigstens einem Verzögerungselement (6, 16, 26), gekennzeichnet durch eine Druck erzeugende Ladung (7, 17, 27) im Geschosskörper (3, 13, 23), die mit der wenigstens einen Leuchtspur (5, 5, 25) und / oder dem wenigstens eine Verzögerungselement (6, 216, 26) funktional in Verbindung steht, die nach Initiierung auf das Geschoss (1 , 11 , 21) derart einwirkt, dass nach Erreichen einer eingestellten Flugzeit (t) die Flugbahn des Geschosses (1 , 11 , 21) beeinfiusst wird. 1. projectile (1, 11, 21) with a projectile body (3, 13, 23) and a Geschossogive (2, 12, 22) and at least one tracer track (5, 15, 25) and / or at least one delay element (6, 16, 26), characterized by a pressure-generating charge (7, 17, 27) in the projectile body (3, 13, 23), with the at least one tracer track (5, 5, 25) and / or the at least one delay element (6 , 216, 26) is functionally connected, which after initiation on the projectile (1, 11, 21) acts in such a way that after reaching a set time of flight (t) the trajectory of the projectile (1, 11, 21) is affected.
2. Geschoss (1, 11 , 21 ) nach Anspruch 1 , dadurch gekennzeichnet, dass die Geschossogive (2, 12, 22) am Geschosskörper (3, 13, 23) mittels Verschraubung oder über eine Schnappverbindung befestigt ist. 2. Projectile (1, 11, 21) according to claim 1, characterized in that the projectile (2, 12, 22) on the projectile body (3, 13, 23) is fastened by means of screwing or via a snap connection.
3. Geschoss (1 , 21 ) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Geschossogive (2, 22) umfangsseitig zumindest eine Sollbruchstelle (4, 24) aufweist. 3. projectile (1, 21) according to claim 1 or 2, characterized in that the projectile (2, 22) on the circumference at least one predetermined breaking point (4, 24).
4. Geschoss (1, 21 ) nach Anspruch 3, dadurch gekennzeichnet, dass die mindestens eine Sollbruchstelle (4, 24) in Längsrichtung des Geschosses (1 , 21 ) eingebunden ist. 4. projectile (1, 21) according to claim 3, characterized in that the at least one predetermined breaking point (4, 24) in the longitudinal direction of the projectile (1, 21) is integrated.
5. Geschoss (1 , 21) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zumindest eine Öffnung (19, 29) eingebunden ist, die durch eine Berstmembran (10, 20) abgedeckt ist. 5. projectile (1, 21) according to one of claims 1 to 4, characterized in that at least one opening (19, 29) is integrated, which is covered by a bursting membrane (10, 20).
6. Geschoss (11 , 21) nach Anspruch 5, dadurch gekennzeichnet, dass die zumindest eine Öffnung (19, 29) umfangsseitig im Geschosskörper (13, 23) eingebunden ist. 6. projectile (11, 21) according to claim 5, characterized in that the at least one opening (19, 29) peripherally in the projectile body (13, 23) is integrated.
7. Geschoss (11 , 21 ) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die zumindest eine Öffnung (19, 29) umfangsseitig in der Geschossogive (12, 22) eingebunden ist. 7. projectile (11, 21) according to claim 5 or 6, characterized in that the at least one opening (19, 29) peripherally in the Geschossogive (12, 22) is integrated.
8. Geschoss (1 , , 21) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass mehrere Verzögerungselemente (6, 16, 26) symmetrisch wie auch unsymmetrisch im Geschosskörper (3, 13, 23) eingebracht sind. 8. projectile (1,, 21) according to any one of claims 1 to 7, characterized in that a plurality of delay elements (6, 16, 26) symmetrically as well as asymmetrically in the projectile body (3, 13, 23) are introduced.
9. Geschoss (1, 1 1 , 21) nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die wenigstens eine Öffnung ( 9, 29) düsenförmig ist. 9. projectile (1, 1 1, 21) according to one of claims 5 to 8, characterized in that the at least one opening (9, 29) is nozzle-shaped.
10. Geschoss (1 , 1 1, 21) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass es ein Gefechts- oder Übungsgeschoss ist. 10. projectile (1, 1 1, 21) according to one of claims 1 to 9, characterized in that it is a combat or practice floor.
11. Geschoss (1 , 1 , 21 ) nach einem der Ansprüche 1 bis 10 dadurch gekennzeichnet das die Verzögerungselemente (6, 6, 26) einen pyrotechnischen Satz umfassen. 11. projectile (1, 1, 21) according to one of claims 1 to 10, characterized in that the delay elements (6, 6, 26) comprise a pyrotechnic charge.
12. Geschoss (1, 11 , 21 ) nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass die Verzögerungseiemente (6, 16, 26) elektrische Timerelemente sind. 12. projectile (1, 11, 21) according to any one of claims 1 to 11, characterized in that the delay elements (6, 16, 26) are electrical timer elements.
13. Geschoss (1, 11 , 21 ) nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Druck erzeugende Ladung (7) eine pyrotechnischen Ladung ist. 13. projectile (1, 11, 21) according to any one of claims 1 to 12, characterized in that the pressure-generating charge (7) is a pyrotechnic charge.
14. Geschoss (1, 11 , 21 ) nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass als Druck erzeugende Ladung C02 verwendet wird, die in einer Kartusche eingebunden ist. 14. projectile (1, 11, 21) according to any one of claims 1 to 12, characterized in that as a pressure-generating charge C0 2 is used, which is incorporated in a cartridge.
EP16785100.5A 2015-10-06 2016-09-27 Projectile having a reduced range Active EP3359909B1 (en)

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DE102015117003.5A DE102015117003A1 (en) 2015-10-06 2015-10-06 Projectile with reduced range
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DE102019126585A1 (en) * 2019-10-02 2021-04-08 Rwm Schweiz Ag Shortened range bullet
DE102022002233A1 (en) 2021-08-21 2023-02-23 Kastriot Merlaku Weapons system with precision guided ammunition

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BE518095A (en) * 1952-04-05 Energa
US3713386A (en) * 1970-06-22 1973-01-30 Colt Ind Operating Corp Range limited projectile system
SE429064B (en) * 1976-04-02 1983-08-08 Bofors Ab FINAL PHASE CORRECTION OF ROTATING PROJECTILE
FR2527764B1 (en) * 1982-06-01 1986-11-21 France Etat EXERCISE SHELL
FR2548773B1 (en) * 1983-07-04 1986-12-19 France Etat Armement ARROW AMMUNITION AND PROJECTILES FOR EXERCISE
DE3617656A1 (en) 1986-05-26 1987-12-03 Dynamit Nobel Ag Practice projectile (practice round) having a reduced range
FR2649195B1 (en) * 1989-07-03 1993-12-31 Matra Manurhin Defense EXERCISE PROJECTILE FOR AUTOMATIC OR MANUAL WEAPON
DE3927799A1 (en) * 1989-08-23 1991-02-28 Rheinmetall Gmbh Reducing practice projectile range by thermally induced expansion - of hollow sheet metal fins
DE3933442A1 (en) * 1989-10-06 1991-04-18 Rheinmetall Gmbh Wing-stabilised impact projectile - with blast-off charge for guide wing system
FR2789484B1 (en) * 1999-02-08 2001-12-07 Giat Ind Sa DEFENSE DEVICE WITH REDUCED LETHALITY
DE102005030263B3 (en) 2005-06-29 2006-11-30 Rheinmetall Waffe Munition Gmbh Safety system for programmable munitions comprises self-destruct device that is activated if detonator test is failed and is overridden if detonator test is passed
DE102012014149B3 (en) 2012-07-18 2013-07-25 Rheinmetall Waffe Munition Gmbh Mechanically adjustable delay element
DE102013013705A1 (en) 2013-08-20 2015-02-26 Rheinmetall Waffe Munition Gmbh Pyrotechnic deceleration device for an ammunition fuse and mortar shell with such a delay device

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