EP0080210B1 - Munition, vorzugsweise für Maschinenkanonen, mit einem einen Leuchtspursatz aufweisenden Geschoss, dessen letale Reichweite beim Verfehlen eines Zieles begrenzt ist - Google Patents

Munition, vorzugsweise für Maschinenkanonen, mit einem einen Leuchtspursatz aufweisenden Geschoss, dessen letale Reichweite beim Verfehlen eines Zieles begrenzt ist Download PDF

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Publication number
EP0080210B1
EP0080210B1 EP82110864A EP82110864A EP0080210B1 EP 0080210 B1 EP0080210 B1 EP 0080210B1 EP 82110864 A EP82110864 A EP 82110864A EP 82110864 A EP82110864 A EP 82110864A EP 0080210 B1 EP0080210 B1 EP 0080210B1
Authority
EP
European Patent Office
Prior art keywords
projectile
stabilizing element
accordance
fact
tracer
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.)
Expired
Application number
EP82110864A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0080210A2 (de
EP0080210A3 (en
Inventor
Karl Wilhelm Dipl.-Ing. Bethmann
Ulrich Dr.-Ing. Dipl.-Phys. Theis
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 Industrie AG
Original Assignee
Rheinmetall 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 GmbH filed Critical Rheinmetall GmbH
Priority to AT82110864T priority Critical patent/ATE35051T1/de
Publication of EP0080210A2 publication Critical patent/EP0080210A2/de
Publication of EP0080210A3 publication Critical patent/EP0080210A3/de
Application granted granted Critical
Publication of EP0080210B1 publication Critical patent/EP0080210B1/de
Expired legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a sub-caliber projectile according to the preamble of claim 1.
  • a generic object preferably for exercise purposes, is known from GB-A-2 010 452. It consists of a projectile body with a front, a middle and a rear part carrying a stabilizing tail. Two connection areas are defined by axially aligned pins and bores. Each connecting area has a sleeve-shaped connecting means in the circumferential surface, the material of which loses its strength and thus its connecting property under heat transfer - here due to friction of the air flowing past. By releasing the relevant parts, the projectile in question disintegrates, the parts falling to the ground on a respective unstable trajectory.
  • This projectile is complex to manufacture. This is particularly evident in the case of a projectile with a length / diameter ratio which is customary for swirl stabilization.
  • an influence of different atmospheric conditions on the behavior of the connecting means is probable and therefore it cannot be ruled out that the length of the stable trajectory is subject to fluctuations. These are likely to be particularly disruptive when switching to smaller calibers, as are common with machine guns.
  • the invention has for its object to provide a bullet of the same type, which is characterized by less expensive production and significantly reduced interference from the atmospheric conditions and is suitable for machine guns.
  • a rear part 11 of a projectile body 10 of a spin-stabilized projectile according to FIG. 1 with a peripheral surface 12 and a rear surface 14 has a rear bore 16 with a peripheral surface 18 and a front end surface 20.
  • a funnel-shaped centering bore 22 is arranged in the projectile body 10 in the region of a central longitudinal axis A.
  • An essentially circular cylindrical stabilizing body 24 has a rear circumferential surface 26 and a concave rear surface 28.
  • a radial step 30 is provided between a front twist 32 and the rear circumferential surface 26.
  • a front end face 34 of the stabilizing body 24 has a centering projection 40 with a central bore 42. The centering projection 40 adapts to the centering bore 22.
  • the stabilizing body 24 has a jacket 36, which extends longitudinally axially between the shoulder 30 and the end face 34, with three centering ribs 38 projecting radially outward against the peripheral surface 18.
  • a respective space between a circumferential surface 39 and the rear circumferential surface 26 of the jacket 38 and the circumferential surface 18 of the bore 16 and the two end faces 20 and 24 on the word side serves as an annular disk 54 and a circular cylindrical hollow body 52 of a tracer set 50.
  • the projection 40 encircles an annular disk 56 of a substance still to be discussed, which is in close contact with a cylindrical surface 55 of the annular disk 54.
  • the circular-cylindrical hollow body 52 is interrupted in the area in question by the centering ribs 38.
  • the rear end of the tracer set 50 is formed by a part 51 which fills a space between the rear surface 28 and an edge of the bore 16 lying in the rear surface 14.
  • a wire 48 is accommodated in a helical shape, which is fastened at a point 44 on the projectile body 10 and with a rear end at a point 46 on the stabilizing body 24.
  • a projectile body 60 of a wing-stabilized sub-caliber projectile has a rear part 62 with a circumferential surface 61 and with a central axial support extension 64 of comparatively small diameter.
  • An unscrewing surface 64 connects the circumferential surface 61 to an external thread 70 of the carrier extension 64 via a relief radius 68.
  • the latter surrounds a double-walled bush 72 of circular-cylindrical cross-section in a form-fitting manner.
  • a front wall 74 connects an inner wall 78 to an outer wall 80, an outer front surface 76 of the front wall 74 of the boring surface 64 nestling.
  • the peripheral surface 80 of the sleeve 72 is in a manner not shown with a Connected thin-walled sleeve 86 which forms a stabilizing tail 87 with stabilizing wings 88 attached to it.
  • a cavity 84 between the facing surface of the inner 78 and the outer wall 80 of the sleeve 72 serves as a receptacle 92, which extends from the front wall 74 to a rear surface 90,
  • the tracer set 50 is ignited in the region of the rear surface 14 in a manner not to be discussed in detail. With part 51, part 52 surrounding stabilizing body 24 also burns. As soon as the burn-up of the tracer set 50 has progressed to shoulder 30, the heating of the casing 36 begins with its centering ribs 38.
  • the casing 36 consists of a material whose strength changes drastically due to the action of the heat released when the tracer set 50 is burned up. If the jacket 36 consists of a corresponding magnesium alloy, it loses its strength due to chemical reaction, i. H. preferably by violent oxidation, which corresponds to consumption by burning.
  • the stabilizing body 24 it advantageously consists, like the projectile body 10, of improving the penetration performance from a high-density material, for example a sintered alloy with a high proportion of tungsten or depleted uranium, increasingly losing its definition in the bore.
  • a suction present in the direction of arrow 59 against the direction of flight 58 of the projectile acts on the concave rear surface 28 of the stabilizing body 24.
  • a larger amount of gas is released therefrom, the majority of which on the Presses the end face 20 of the projectile body 10 and the end face 34 of the stabilizing body 24 and axially shifts the latter in the direction of arrow 59.
  • the tracer 92 is ignited in the area of the rear surface 90 in a firing manner.
  • the large amount of heat released during the burning at high temperature is transferred to the inner 78 as well as the outer wall 80 of the sleeve 72. While extensive dissipation of the heat to the surroundings is possible via the outer wall 80, the sleeve 86 and the stabilizing wings 88, a strong build-up of heat occurs in the area of the inner wall 78. As a result, the material of the inner wall 78 is softened. As soon as the burn-up of the tracer 92 has progressed far enough, the form fit between the sleeve 72 and the carrier extension 64 is lost.
  • the stabilizing tail 87 separates from the projectile body 60 in the direction of an arrow 96 opposite to the direction of flight 94 and causes it to become immediately unstable, so that it leaves its original trajectory and falls down.
  • the description given in connection with the projectile according to FIGS. 1a and 2 applies analogously to the temporal adjustability of the destabilization.
  • the stabilizing wings usually have a low pitch for generating a slight compensating rotation, this additionally favors the separation from the projectile according to the invention.
  • a fragmentation charge is to be initiated via a tracer set after a predetermined time.
  • the fragmentation charge requires a central axial bore to accommodate it. This hole reduces the penetration rate of the projectile on armored targets. To ensure sufficient effectiveness, the fragmentation charge must have a certain minimum size. This affects the density of the projectile.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
  • Polymerisation Methods In General (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
EP82110864A 1981-11-25 1982-11-24 Munition, vorzugsweise für Maschinenkanonen, mit einem einen Leuchtspursatz aufweisenden Geschoss, dessen letale Reichweite beim Verfehlen eines Zieles begrenzt ist Expired EP0080210B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82110864T ATE35051T1 (de) 1981-11-25 1982-11-24 Munition, vorzugsweise fuer maschinenkanonen, mit einem einen leuchtspursatz aufweisenden geschoss, dessen letale reichweite beim verfehlen eines zieles begrenzt ist.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813146645 DE3146645A1 (de) 1981-11-25 1981-11-25 Vorrichtung zum kontrollierten begrenzen der letalen reichweite eines ein ziel verfehlenden fluggeschosses mit einem stabilisierenden element und einem leuchtspursatz
DE3146645 1981-11-25

Publications (3)

Publication Number Publication Date
EP0080210A2 EP0080210A2 (de) 1983-06-01
EP0080210A3 EP0080210A3 (en) 1984-02-22
EP0080210B1 true EP0080210B1 (de) 1988-06-08

Family

ID=6147139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110864A Expired EP0080210B1 (de) 1981-11-25 1982-11-24 Munition, vorzugsweise für Maschinenkanonen, mit einem einen Leuchtspursatz aufweisenden Geschoss, dessen letale Reichweite beim Verfehlen eines Zieles begrenzt ist

Country Status (4)

Country Link
US (1) US4519316A (xx)
EP (1) EP0080210B1 (xx)
AT (1) ATE35051T1 (xx)
DE (1) DE3146645A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3565891D1 (en) * 1984-07-17 1988-12-01 Eidgenoess Munitionsfab Thun Missile for practice ammunition having a limited range, and use of the same
DE3613866A1 (de) * 1986-04-24 1987-10-29 Rheinmetall Gmbh Reichweitenbegrenztes, pfeilstabilisiertes unterkalibergeschoss fuer eine rohrwaffe
US4682546A (en) * 1986-10-02 1987-07-28 Chovich Milija M Projectile
WO1988004026A2 (en) * 1986-11-28 1988-06-02 Royal Ordnance Plc Tubular projectile
DE3732372C1 (de) * 1987-09-25 1994-12-22 Rheinmetall Gmbh Flügelstabilisiertes Geschoß
DE3927799A1 (de) * 1989-08-23 1991-02-28 Rheinmetall Gmbh Uebungsgeschoss
FR2739683B1 (fr) * 1995-10-05 1997-12-05 France Etat Projectile d'exercice sous-calibre a energie cinetique du type fleche
US9157713B1 (en) 2013-03-15 2015-10-13 Vista Outdoor Operations Llc Limited range rifle projectile

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2171C (xx) * 1914-04-18
FR49651E (fr) * 1925-03-05 1939-05-30 Procédé de propulsion au sein d'un fluide, et dispositifs de mise en oeuvre de ce procédé
DE1428678C3 (de) * 1964-12-24 1974-04-11 Dynamit Nobel Ag, 5210 Troisdorf Übungsgranate
BE789868A (fr) * 1971-10-11 1973-02-01 Mefina Sa Fusee mecanique instantanee a autodestruction avec securite de detonateur et de trajectoire
NL7705239A (nl) * 1977-05-11 1978-11-14 Eurometaal Nv Oefenprojectiel van het type met een losse manchet.
DE2747313C2 (de) * 1977-10-21 1983-01-20 Rheinmetall GmbH, 4000 Düsseldorf Unterkalibriges Pfeilgeschoß mit einem widerstandsstabilisierenden konischen Heckteil
DE2756420C2 (de) * 1977-12-17 1985-02-07 Rheinmetall GmbH, 4000 Düsseldorf Geschoß mit selbsttätiger Zerlegerwirkung
DE2844870C2 (de) * 1978-10-14 1984-10-18 Rheinmetall GmbH, 4000 Düsseldorf Unterkalibriges Übungsgeschoß
DE3048206C2 (de) * 1980-12-20 1985-06-13 Diehl GmbH & Co, 8500 Nürnberg Übungsgeschoß
NL8200221A (nl) * 1981-02-12 1982-09-01 Diehl Gmbh & Co Onderkaliberprojectiel met stuurvlakconstructie.
DE3105060C1 (de) * 1981-02-12 1982-09-30 Diehl GmbH & Co, 8500 Nürnberg Zündstoffmischung ohne Initialsprengstoff und Anordnung der Zündstoffmischung in einem Geschoß

Also Published As

Publication number Publication date
DE3146645A1 (de) 1983-06-01
ATE35051T1 (de) 1988-06-15
DE3146645C2 (xx) 1989-02-16
EP0080210A2 (de) 1983-06-01
EP0080210A3 (en) 1984-02-22
US4519316A (en) 1985-05-28

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