EP0123978A2 - Nose cap for a projectile with an armour-piercing core - Google Patents
Nose cap for a projectile with an armour-piercing core Download PDFInfo
- Publication number
- EP0123978A2 EP0123978A2 EP84104043A EP84104043A EP0123978A2 EP 0123978 A2 EP0123978 A2 EP 0123978A2 EP 84104043 A EP84104043 A EP 84104043A EP 84104043 A EP84104043 A EP 84104043A EP 0123978 A2 EP0123978 A2 EP 0123978A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- projectile
- hood
- tip
- balancing
- air
- 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
Links
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910001261 rose's metal Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910000634 wood's metal Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
- F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
- F42B14/061—Sabots for long rod fin stabilised kinetic energy projectiles, i.e. multisegment sabots attached midway on the projectile
Definitions
- the invention relates to a tip body according to claim 1.
- the sabot in the vicinity of the front part of the balancing projectile has a comprehensive air pocket for detaching the segments of the sabot from the balancing projectile after leaving a weapon barrel under the incoming air.
- an uneven detachment of the sabot segments from the balancing projectile was found. This can lead to a harmful swinging of the balancing bullet. Due to the oscillation of the balancing bullet, both its accuracy as well as its penetration performance can be significantly impaired.
- the latter primarily relates to the effect against new types of targets, which require both particularly long balancing bullets and the greatest possible freedom of oscillation.
- Investigations into the behavior of the balancing projectile-sabot arrangement showed that unstable flow conditions can occur in the area around the front part of the balancing projectile, which impair the uniform segment-wise detachment of the sabot.
- the invention has for its object to provide a tip body of the type mentioned.
- a balancing projectile 1 which is only partially shown, has a projectile tip 10 with a circular-conical region 12.
- the projectile tip 10 is a substantially circular cylindrical plastic hood 14 with longitudinal axial recesses 13 and a retracted front face 15 pushed and glued.
- the plastic hood 14 is supported with a rear inner surface 19 on a floor circumferential counter surface 18 and has an outer diameter 16 which approximately corresponds to a largest outer diameter 17 of the balancing bullet 1.
- a body 20 is fastened on a projectile tip 11 which is only shown in sections.
- a diameter 22 of the projectile tip is increased by a predeterminable amount in an area 21.
- the body 20 is made of a material that is consumed by melting, softening and / or burning under the friction of the incoming air after leaving the gun barrel.
- a material that is consumed by melting, softening and / or burning under the friction of the incoming air after leaving the gun barrel In addition to a thermoplastic, Wood's or Rose's metal or a magnesium alloy are suitable.
- a balancing projectile sabot arrangement with one of the tip bodies 14 or 20 according to the invention leaves the weapon barrel in the direction of an arrow S, the tip body in question, owing to its respective diameter, prevents pressure fluctuations from interfering with the detaching process of the sabot segments.
- an unfavorable c w coefficient in the top range is accepted.
- the predetermined breaking points 13 take effect in the plastic hood 14 under the dynamic pressure of the air in the region of the inflow surface 16. The plastic fragments separate from the tip 10 of the floor and there is an instantaneous more favorable c w coefficient.
- the more favorable c coefficient is established after the consumption of the material of the body 20.
- the invention is characterized by good effectiveness with simplicity and low costs.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
Description
Die Erfindung betrifft einen Spitzenkörper nach dem Patentanspruch 1.The invention relates to a tip body according to claim 1.
Bei Wuchtgeschoß-Treibkäfig-Anordnungen, wie beispielsweise aus der DE-PS 22 36 142 bekannt, weist der Treibkäfig in der Nachbarschaft des Wuchtgeschoßvorderteils eine letzteren umfassende Lufttasche zum Ablösen der Treibkäfigsegmente vom Wuchtgeschoß nach dem Verlassen eines Waffenrohres unter der anströmenden Luft auf. Bei Beschüssen konnte ein ungleichmäßiges Ablösen der Treibkäfigsegmente vom Wuchtgeschoß festgestellt werden. Dies kann zu einer schädlichen Pendelung des Wuchtgeschosses führen. Durch die Pendelung des Wuchtgeschosses kann sowohl dessen Treffgenauigkeit wie auch dessen Durchschlagsleistung empfindlich beeinträchtigt werden. Letzteres bezieht sich vornehmlich auf die Wirkung gegen neuartige Ziele, die sowohl besonders lange Wuchtgeschosse wie auch deren weitestgehende Pendelungsfreiheit erforderlich machen. Untersuchungen zum Verhalten von Wuchtgeschoß-Treibkäfig-Anordnung ergaben, daß im Bereich um den Vorderteil des Wuchtgeschosses instabile Strömungsverhältnisse auftreten können, die das gleichmäßige segmentweise Ablösen des Treibkäfigs beeinträchtigen.In the case of balancing projectile sabot arrangements, as is known, for example, from DE-PS 22 36 142, the sabot in the vicinity of the front part of the balancing projectile has a comprehensive air pocket for detaching the segments of the sabot from the balancing projectile after leaving a weapon barrel under the incoming air. In the event of shelling, an uneven detachment of the sabot segments from the balancing projectile was found. This can lead to a harmful swinging of the balancing bullet. Due to the oscillation of the balancing bullet, both its accuracy as well as its penetration performance can be significantly impaired. The latter primarily relates to the effect against new types of targets, which require both particularly long balancing bullets and the greatest possible freedom of oscillation. Investigations into the behavior of the balancing projectile-sabot arrangement showed that unstable flow conditions can occur in the area around the front part of the balancing projectile, which impair the uniform segment-wise detachment of the sabot.
Der Erfindung liegt die Aufgabe zugrunde, einen Spitzenkörper der eingangs genannten Gattung zu schaffen.The invention has for its object to provide a tip body of the type mentioned.
Gelöst wird diese Aufgabe durch die im Patentanspruch 1 angegebene Erfindung.This object is achieved by the invention specified in claim 1.
Die Erfindung wird nachstehend anhand zweier in der Zeichnung dargestellter bevorzugter Ausführungsbeispiele näerh erläutert.The invention is explained below with reference to two preferred embodiments shown in the drawing.
Es zeigen
- Fig. l einen ersten Spitzenkörper nach der Erfindung im teilweisen längsaxialen Schnitt,
- Fig. 2 den Spitzenkörper im Schnitt nach der Linie II - II in Fig. 1 und
- Fig. 3 einen zweiten Spitzenkörper nach der Erfindung ausschnittweise und im teilweisen längsaxialen Schnitt.
- 1 shows a first tip body according to the invention in a partial longitudinal axial section,
- Fig. 2 shows the tip body in section along the line II - II in Fig. 1 and
- Fig. 3 shows a second tip body according to the invention in sections and in partial longitudinal axial section.
Nach den Fig. l und 2 weist ein nur teilweise dargestelltes Wuchtgeschoß 1 eine Geschoßspitze 10 mit einem kreiskegelförmigen Bereich 12 auf. Der Geschoßspitze 10 ist eine im wesentlichen kreiszylindrische Kunststoffhaube 14 mit längsaxialen Ausnehmungen 13 und einer eingezogenen vorderseitigen Anströmfläche 15 aufgeschoben und angeklebt. Die Kunststoffhaube 14 stützt sich mit einer rückseitigen Innenfläche 19 auf einer geschoßumfangsseitigen Gegenfläche 18 ab und weist einen Außendurchmesser 16 auf, der näherungsweise einem größten Außendurchmesser 17 des Wuchtgeschosses 1 entspricht.According to FIGS. 1 and 2, a balancing projectile 1, which is only partially shown, has a
Nach der Fig. 3 ist auf einernur ausschnittweise dargestellten Geschoßspitze 11 ein Körper 20 befestigt. Durch letzteren wird in einem Bereich 21 ein Durchmesser 22 der Geschoßspitze um ein vorgebbares Maß vergrößert.According to FIG. 3, a
Der Körper 20 besteht aus einem Werkstoff, der sich unter der Reibung der anströmenden Luft nach dem Verlassen des Waffenrohres durch Schmelzen, Erweichen und/oder Verbrennen verbraucht. Neben einem Thermoplast eignen sich beispielsweise Wood'sches oder Rose's Metall oder eine Magnesiumlegierung.The
Verläßt eine Wuchtgeschoß-Treibkäfiganordnung mit einem der Spitzenkörper 14 oder 20 nach der Erfindung das Waffenrohr in Richtung eines Pfeils S, verhindert der betreffende Spitzenkörper infolge seines jeweiligen Durchmessers, daß sich Druckschwankungen störend auf den Ablösevorgang der Treibkäfigsegmente auswirken. Hierfür wird ein ungünstiger cw-Beiwert im Spitzenbereich in Kauf genommen. Nach dem ungestörten Ablösevorgang werden bei der Kunststoffhaube 14 unter dem Staudruck der Luft im Bereich der Anströmfläche 16 die Sollbruchstellen 13 wirksam. Die Kunststoffbruchstücke trennen sich von der Geschoßspitze 10 und es stellt sich augenblicklich ein günstigerer c w -Beiwert ein.If a balancing projectile sabot arrangement with one of the
Im Falle des Körpers 20 stellt sich der günstigere c -Beiwert nach dem Verbrauch des Werkstoffs des Körpers 20 ein.In the case of the
Die Erfindung zeichnet sich aus durch gute Wirksamkeit bei Einfachheit und geringen Kosten.The invention is characterized by good effectiveness with simplicity and low costs.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84104043T ATE31364T1 (en) | 1983-04-23 | 1984-04-11 | POINT BODY FOR AN IMPACT BULLET. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3314751 | 1983-04-23 | ||
DE19833314751 DE3314751A1 (en) | 1983-04-23 | 1983-04-23 | LACE BODY FOR A BALANCE SHEET |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0123978A2 true EP0123978A2 (en) | 1984-11-07 |
EP0123978A3 EP0123978A3 (en) | 1985-05-15 |
EP0123978B1 EP0123978B1 (en) | 1987-12-09 |
Family
ID=6197166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84104043A Expired EP0123978B1 (en) | 1983-04-23 | 1984-04-11 | Nose cap for a projectile with an armour-piercing core |
Country Status (4)
Country | Link |
---|---|
US (1) | US4714024A (en) |
EP (1) | EP0123978B1 (en) |
AT (1) | ATE31364T1 (en) |
DE (2) | DE3314751A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3632629A1 (en) * | 1986-09-25 | 1988-04-07 | Rodenstock Optik G | Tiltable glasses |
GB2251290A (en) * | 1984-05-23 | 1992-07-01 | Dynamit Nobel Ag | Shells with fitted cap |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3609092A1 (en) * | 1986-03-19 | 1990-11-22 | Rheinmetall Gmbh | BULLET FOR A TUBE ARM TO FIGHT ACTIVE AND PASSIVELY REACTIVE SPECIAL ARMOR |
US5138949A (en) * | 1990-09-20 | 1992-08-18 | Olin Corporation | Combustible ammunition cartridge case |
US5870647A (en) * | 1992-11-09 | 1999-02-09 | Canon Kabushiki Kaisha | Pedestal for supporting equipment |
US5323708A (en) * | 1993-03-29 | 1994-06-28 | Aerojet-General Corporation | Clip-lock sabot cap |
DE102019113325A1 (en) * | 2019-05-20 | 2020-11-26 | Rheinmetall Waffe Munition Gmbh | Penetrator, use of a penetrator and bullet |
US12066276B2 (en) * | 2022-05-05 | 2024-08-20 | Raytheon Company | Sabot or cover for seekers, sensitive windows and surface elements on gun launched munitions |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2401380A (en) * | 1941-12-15 | 1946-06-04 | Alfred F Teitscheid | Projectile cap |
US3446147A (en) * | 1966-03-04 | 1969-05-27 | Oerlikon Buehrle Holding Ag | Casing for the sabot of a projectile |
DE2034618A1 (en) * | 1969-09-23 | 1971-04-15 | Pacific Techmca Corp , Santa Bar bara. Cahf (VStA) | Projectile movable towards a target |
DE1703507C (en) * | 1968-05-31 | 1973-04-26 | Rheinmetaü GmbH, 4000 Dusseldorf | Wing stabilized undercarriage |
US3747533A (en) * | 1970-12-08 | 1973-07-24 | Oerlikon Buehrle Ag | Short trajectory missile |
EP0036232A1 (en) * | 1980-03-18 | 1981-09-23 | FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme | Training projectile |
DE3047517A1 (en) * | 1980-12-17 | 1982-07-01 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf | Practice shell with driving ring - has core inside segmented sleeve connected to grooved driving ring carrying reinforcing ring |
US4405100A (en) * | 1981-02-20 | 1983-09-20 | The United States Of America As Represented By The Secretary Of The Navy | Turbulence generator for maximizing configuration tolerances of free flight ordnance |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148472A (en) * | 1962-06-11 | 1964-09-15 | Edward N Hegge | Subcaliber projectile and sabot for high velocity firearms |
US3902424A (en) * | 1973-12-07 | 1975-09-02 | Us Army | Projectile |
-
1983
- 1983-04-23 DE DE19833314751 patent/DE3314751A1/en not_active Withdrawn
-
1984
- 1984-04-11 DE DE8484104043T patent/DE3468072D1/en not_active Expired
- 1984-04-11 EP EP84104043A patent/EP0123978B1/en not_active Expired
- 1984-04-11 AT AT84104043T patent/ATE31364T1/en not_active IP Right Cessation
-
1986
- 1986-06-13 US US06/874,048 patent/US4714024A/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2401380A (en) * | 1941-12-15 | 1946-06-04 | Alfred F Teitscheid | Projectile cap |
US3446147A (en) * | 1966-03-04 | 1969-05-27 | Oerlikon Buehrle Holding Ag | Casing for the sabot of a projectile |
DE1703507C (en) * | 1968-05-31 | 1973-04-26 | Rheinmetaü GmbH, 4000 Dusseldorf | Wing stabilized undercarriage |
DE2034618A1 (en) * | 1969-09-23 | 1971-04-15 | Pacific Techmca Corp , Santa Bar bara. Cahf (VStA) | Projectile movable towards a target |
US3747533A (en) * | 1970-12-08 | 1973-07-24 | Oerlikon Buehrle Ag | Short trajectory missile |
EP0036232A1 (en) * | 1980-03-18 | 1981-09-23 | FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme | Training projectile |
DE3047517A1 (en) * | 1980-12-17 | 1982-07-01 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf | Practice shell with driving ring - has core inside segmented sleeve connected to grooved driving ring carrying reinforcing ring |
US4405100A (en) * | 1981-02-20 | 1983-09-20 | The United States Of America As Represented By The Secretary Of The Navy | Turbulence generator for maximizing configuration tolerances of free flight ordnance |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2251290A (en) * | 1984-05-23 | 1992-07-01 | Dynamit Nobel Ag | Shells with fitted cap |
GB2251290B (en) * | 1984-05-23 | 1993-09-22 | Dynamit Nobel Ag | Shell with fitted cap |
DE3632629A1 (en) * | 1986-09-25 | 1988-04-07 | Rodenstock Optik G | Tiltable glasses |
Also Published As
Publication number | Publication date |
---|---|
DE3314751A1 (en) | 1984-10-25 |
DE3468072D1 (en) | 1988-01-21 |
US4714024A (en) | 1987-12-22 |
EP0123978B1 (en) | 1987-12-09 |
ATE31364T1 (en) | 1987-12-15 |
EP0123978A3 (en) | 1985-05-15 |
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