EP0049738A2 - Projectile du type perforant à ailettes stabilisatrices - Google Patents
Projectile du type perforant à ailettes stabilisatrices Download PDFInfo
- Publication number
- EP0049738A2 EP0049738A2 EP81105273A EP81105273A EP0049738A2 EP 0049738 A2 EP0049738 A2 EP 0049738A2 EP 81105273 A EP81105273 A EP 81105273A EP 81105273 A EP81105273 A EP 81105273A EP 0049738 A2 EP0049738 A2 EP 0049738A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- penetrator
- arrow
- projectile according
- balancing projectile
- fin
- 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
Images
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
- F42B10/02—Stabilising arrangements
- F42B10/04—Stabilising arrangements using fixed fins
- F42B10/06—Tail fins
-
- 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
- F42B10/02—Stabilising arrangements
- F42B10/04—Stabilising arrangements using fixed fins
- F42B10/06—Tail fins
- F42B10/08—Flechette-type projectiles
Definitions
- the invention relates to an arrow-stabilized balancing projectile according to the preamble of patent claim 1.
- Such a projectile is known from US-PS 098 194. It has a core made of a tungsten-alloy steel in a cylindrical aluminum body. In the tubular aluminum body recesses are provided for releasable axial positive locking with a sabot arrangement. A rear part of the floor is designed as a support for the stabilizing tail.
- the object of the invention is to have the mass of the rear part of the penetrator, which is designed as a tail boom, still available for further penetration after the pre-armor has penetrated.
- the invention achieves a double effect: the detachment of the tail unit from the penetrator not only prevents a loss of mass, which would occur when the penetrator part in question was torn off, but also a loss of speed, which would occur if the tail unit remained connected to the penetrator with undesired enlargement of the penetration channel participate in the target passage.
- the invention advantageously results in an increase in output in the range of up to 15%.
- a penetrator 1 has a rear part 6 of circular cross section with a circumferential area 8 and a rear surface 9.
- the rear part 6 is designed as a carrier for a stabilizing tail unit 10.
- Fins 12 of the tail unit 10 which extend radially outwards and parallel to the central longitudinal axis A, are connected in one piece with a thin tubular sleeve 14; whose inside diameter is adapted to the outside diameter of the part 6 for fastening the sleeve 14 in the peripheral region 8 by soldering or gluing.
- the mechanical strength of the fastening is essentially adapted exclusively to the launch acceleration.
- the parts 12 and 14 of the tail unit 10 are made very thin-walled, in order to represent not only a low drag coefficient but also the lowest possible dead load. The latter is defined here as the mass, which is not involved in the breakthrough and therefore should not exceed a function-related minimum dimension.
- the tail unit 10 Because of the behavior of the tail unit 10 when it hits the target, it also does not constitute a braking obstacle. This would be the case if the fastening did not take sufficient account of the braking forces when striking the target, especially since the entire rear part 6 can often even be torn off, the mass of which is disadvantageously lost for the penetration.
- the second exemplary embodiment according to FIG. 2 differs from that according to FIG. 1 by an arrangement of the tail unit 10, in which the sleeve 14 protrudes from the rear over the rear surface 9 and thus an only indicated receptacle 22 for a tracer or the like. 24 forms.
- the peripheral region 8 of the rear part 6 of the penetrator 1 has an axially parallel groove with an axially parallel groove base 4 'for each fin 12.
- the fin 12 is inserted into the groove 4 in such a way that a boundary surface 13 is immediately adjacent to the groove base 4 'and is then fastened in the peripheral region 8 of the rear part 6 by soldering or gluing.
- the soldering or adhesive connection is designed so that it will withstand the forces occurring during the launch acceleration and will be lifted at the latest when the fin 12 contacts the target material.
- each fin 12 of the tail unit 10 has an essentially triangular part 16 which is adapted to a groove 4 in the peripheral region 8 for attachment by gluing or soldering.
- a groove base has a surface 5 inclined in the weft direction S against the longitudinal axis A of the penetration, to which a surface 7 adjoins in the weft direction S with respect to the longitudinal axis A of the penetrator comparatively flat to the peripheral surface of the penetrator 1.
- a surface 18 (20) on part 16 of the fin 12 corresponds to the surface 5 (7) of the groove 4.
- the surface 5 fulfills a supporting function when firing, while the surface 7 acts as a deflector surface when it hits the target.
- Via a surface 13 of the fin 12 facing the circumferential surface of the rear part 6 of the penetrator 1, the latter can be additionally fastened to the rear part 6 of the penetrator 1, for example in the region of the rear surface 9 or at a point 11.
- the surface 5 of the groove 4 loses its supporting function in that the fin 12 moves further in the direction of the arrow S due to its inertia. This removes the attachment, the surface 18 moves away from the surface 5 and the surface 20 sets in motion at high speed along the surface 7 and moves away from the rear part 6 with a radial and axial component of movement, so that the latter is unimpeded can participate in the breakthrough.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3038087 | 1980-10-09 | ||
DE19803038087 DE3038087A1 (de) | 1980-10-09 | 1980-10-09 | Pfeilstabilisiertes wuchtgeschoss (penetrator) |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0049738A2 true EP0049738A2 (fr) | 1982-04-21 |
EP0049738A3 EP0049738A3 (en) | 1982-04-28 |
EP0049738B1 EP0049738B1 (fr) | 1985-01-23 |
Family
ID=6113956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81105273A Expired EP0049738B1 (fr) | 1980-10-09 | 1981-07-08 | Projectile du type perforant à ailettes stabilisatrices |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0049738B1 (fr) |
JP (1) | JPS5787598A (fr) |
DE (2) | DE3038087A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446792A (en) * | 1980-12-02 | 1984-05-08 | Contraves Ag | Radar reflector for an artillery shell |
DE3525854A1 (de) * | 1985-07-19 | 1989-01-05 | Mauser Werke Oberndorf | Fluegelstabilisiertes pfeilgeschoss |
FR2651311A1 (fr) * | 1989-08-24 | 1991-03-01 | Rheinmetall Gmbh | Projectile stabilise par ailettes. |
GB2236581A (en) * | 1989-10-03 | 1991-04-10 | Rheinmetall Gmbh | Fin stabilised penetrator |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3525356C1 (de) * | 1985-07-16 | 1993-07-01 | Deutsch Franz Forsch Inst | Unterkalibriges Pfeilgeschoss |
DE3719768A1 (de) * | 1987-06-13 | 1988-12-22 | Rheinmetall Gmbh | Unterkalibriges fluegelstabilisiertes geschoss |
DE3719770A1 (de) * | 1987-06-13 | 1988-12-22 | Rheinmetall Gmbh | Unterkalibriges fluegelstabilisiertes geschoss |
JPH01150497U (fr) * | 1988-04-06 | 1989-10-18 | ||
DE3843796A1 (de) * | 1988-12-24 | 1990-07-05 | Rheinmetall Gmbh | Geschoss mit fluegelleitwerk |
DE3933442A1 (de) * | 1989-10-06 | 1991-04-18 | Rheinmetall Gmbh | Fluegelstabilisiertes geschoss |
DE19835175B3 (de) * | 1998-08-04 | 2005-12-22 | Rheinmetall Waffe Munition Gmbh | Flügelstabilisiertes Wuchtgeschoss |
DE19837533C2 (de) * | 1998-08-19 | 2002-11-07 | Rheinmetall W & M Gmbh | Flügelstabilisiertes Wuchtgeschoß |
DE102020120747A1 (de) | 2020-08-06 | 2022-02-10 | Rheinmetall Waffe Munition Gmbh | Penetrator, Verwendung eines Penetrators und Geschoss |
FR3115358B1 (fr) * | 2020-10-19 | 2023-11-24 | Nexter Munitions | Projectile perforant et explosif dote d'un empennage de stabilisation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE146540C (fr) * | ||||
CH10770A (de) * | 1895-07-05 | 1896-02-15 | Hugo Borchardt | Panzerkern-Geschoß |
FR1307270A (fr) * | 1961-06-08 | 1962-10-26 | Le Ministre Des Armees Terre D | Empennage pour projectile et son procédé d'assemblage |
US4098194A (en) * | 1977-06-01 | 1978-07-04 | The United States Of America As Represented By The Secretary Of The Army | Hypervelocity projectile with aluminum components of high resistance to thermodynamic ablation |
GB2071825A (en) * | 1980-03-14 | 1981-09-23 | Mauser Werke Oberndorf | A fin-stabilised projectile |
-
1980
- 1980-10-09 DE DE19803038087 patent/DE3038087A1/de not_active Withdrawn
-
1981
- 1981-07-08 DE DE8181105273T patent/DE3168468D1/de not_active Expired
- 1981-07-08 EP EP81105273A patent/EP0049738B1/fr not_active Expired
- 1981-09-11 JP JP56142566A patent/JPS5787598A/ja active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE146540C (fr) * | ||||
CH10770A (de) * | 1895-07-05 | 1896-02-15 | Hugo Borchardt | Panzerkern-Geschoß |
FR1307270A (fr) * | 1961-06-08 | 1962-10-26 | Le Ministre Des Armees Terre D | Empennage pour projectile et son procédé d'assemblage |
US4098194A (en) * | 1977-06-01 | 1978-07-04 | The United States Of America As Represented By The Secretary Of The Army | Hypervelocity projectile with aluminum components of high resistance to thermodynamic ablation |
GB2071825A (en) * | 1980-03-14 | 1981-09-23 | Mauser Werke Oberndorf | A fin-stabilised projectile |
DE3009775A1 (de) * | 1980-03-14 | 1981-10-01 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf | Fluegelstabilisiertes pfeilgeschoss |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446792A (en) * | 1980-12-02 | 1984-05-08 | Contraves Ag | Radar reflector for an artillery shell |
US4547949A (en) * | 1980-12-02 | 1985-10-22 | Contraves Ag | Method for mounting a radar reflector on an artillery shell |
DE3525854A1 (de) * | 1985-07-19 | 1989-01-05 | Mauser Werke Oberndorf | Fluegelstabilisiertes pfeilgeschoss |
DE3525854C2 (fr) * | 1985-07-19 | 1992-07-30 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf, De | |
FR2651311A1 (fr) * | 1989-08-24 | 1991-03-01 | Rheinmetall Gmbh | Projectile stabilise par ailettes. |
GB2236581A (en) * | 1989-10-03 | 1991-04-10 | Rheinmetall Gmbh | Fin stabilised penetrator |
Also Published As
Publication number | Publication date |
---|---|
EP0049738B1 (fr) | 1985-01-23 |
EP0049738A3 (en) | 1982-04-28 |
DE3038087A1 (de) | 1982-05-27 |
DE3168468D1 (en) | 1985-03-07 |
JPS6149600B2 (fr) | 1986-10-30 |
JPS5787598A (en) | 1982-06-01 |
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