DE2018881A1 - Twist-stabilized bullet - Google Patents
Twist-stabilized bulletInfo
- Publication number
- DE2018881A1 DE2018881A1 DE19702018881 DE2018881A DE2018881A1 DE 2018881 A1 DE2018881 A1 DE 2018881A1 DE 19702018881 DE19702018881 DE 19702018881 DE 2018881 A DE2018881 A DE 2018881A DE 2018881 A1 DE2018881 A1 DE 2018881A1
- Authority
- DE
- Germany
- Prior art keywords
- blades
- projectile according
- spin
- stabilized projectile
- twist
- 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.)
- Pending
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
- F42B10/02—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
- F42B10/14—Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
-
- 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
- F42B10/38—Range-increasing arrangements
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
D r r a 1 1 s t ab 1 1 i 8 i e r t e 5 G e s c h o 5 s.D r r a 1 1 s t from 1 1 i 8 i e r t e 5 G e s c h o 5 s.
Die Erfindung bezieht sich aif drallstabilisierte Geschosse, wie Artilleriegeschosse, Raketen, Hohlladungen und dergl. Aufgabe der Erfindung ist es, die mit dem Drall verbundene Drehbewegung des Geschosses um seine Längsachse über das bisher bekannte Maß nicht nur stabilisierend, sondern auch propulsionsmäßig auszunutzen. Das geschieht nach der Erfindung dadurch, daß an und/oder Im Geschoss mindestens ein Kreisel, z. B. nach Art von Ereiselrädern in radial-, diagonal- oder axialdurchströmten Turbomaschinen angeordnet ist. Die Schaufelenden können innerhalb des Kalibers des Geschosses liegen, wobei eine ausreichende Längserstreckung der Kreiselradschaufel durch ihre Anordnung an Geschosskopf und/oder in Einschnürungen des Geschossumfanges erreicht wird.The invention relates to spin-stabilized projectiles, such as artillery projectiles, Missiles, shaped charges and the like. The object of the invention is that with the twist associated rotational movement of the projectile about its longitudinal axis via the previously known Measure not only stabilizing, but also to be used propulsively. This happens according to the invention in that at and / or in the storey at least one gyro, z. B. in the manner of Ereiselwheels in radial, diagonal or axial flow turbomachinery is arranged. The shovel ends can be within the caliber of the bullet, with a sufficient longitudinal extension of the impeller blade due to their arrangement at the bullet head and / or in constrictions of the circumference of the bullet.
Bei Anordnung von Kreiselradschaufeln im Geschosskopf kommt zweckmässigerweise eine Schaufelgitterstellung nach Art eines Diagonalkreiselrades zur Anwendung. Mit der unter Druck erfolgten Luftausströmung ergeben sich stabilisierende Momente auf den vorderen Teil des Geschosses, insbesondere dann, wenn die Schaufelzellen düsenartig eingeschnürt sind.With the arrangement of impeller blades in the projectile head it is advisable a blade lattice arrangement in the manner of a diagonal centrifugal wheel is used. With the air outflow under pressure results in stabilizing moments the front part of the projectile, especially if the blade cells are like a nozzle are constricted.
Bei Verwendung von axialdurchströmten Schaufelgittern erfolgt erfindungsgemäß die Schaufel anordnung innerhalb des Kalibers, z. B. im Bereich des konischen Geschosskopfes, an Einschnürungen des Geschossumfanges u. dergl.When using blade grids through which axial flow occurs, according to the invention the shovel arrangement within the caliber, e.g. B. in the area the conical bullet head, constrictions of the bullet circumference and the like.
Dabei können sowohl radial gestellte Schaufeln wie auch solche positiver oder negativer Pfeilung zur Sendung kommen. Um den induzierten Widerstand zu verringern, sieht die Erfindung endscheibenartige Begrenzungen der Schaufelenden oder ringartige bzw. düsenringartige Begrenzungen vor. An den Schaufeln ergeben sich Auf- bzw. Vortriebskomponenten mit Vortriebs- und Stabilisierrungseffekt.Both radially positioned blades and blades that are more positive can be used or with a negative arrow. To reduce the induced drag, the invention provides end-disk-like boundaries of the blade ends or ring-like or nozzle ring-like limitations. Upward or propulsion components result on the blades with propulsion and stabilization effect.
Die im wesentlichen axial durchströmten Schaufeln können auch beweglich und/oder elastisch angeordnet und ausgeführt sein, so daß sie sich nach Verlassen des Waffenrohres über das Kaliber hinaus erstrecken.The blades, through which flow is essentially axial, can also be movable and / or be resiliently arranged and designed so that they can be left after of the gun barrel extend beyond the caliber.
In den Figuren 1 bis 3 ist die Erfindung beispielsweise wiedergegeben.In Figures 1 to 3, the invention is shown for example.
Fig. 1 zeigt eine Schaufelanordnung innerhalb des Geschosskopfes nach rt einer Diagonalkreiselradpumpe. In Fig. 2 sind axial durchströmte Schaufeln innerhalb des Kalibers an Geschosskopf und in Fig. 3 Schaufeln in positiver Pfeilung in einer Geschosseinschnürung gezeigt. Mit 1 ist Jeweils das Waffenrohr und mit 2 das Geschoss bezeichnet.Fig. 1 shows a blade arrangement within the projectile head according to rt of a diagonal centrifugal pump. In Fig. 2 axially flowed through blades are inside of the caliber at the bullet head and in Fig. 3 blades in a positive arrow in one Bullet constriction shown. With 1 is the gun barrel and with 2 is the bullet designated.
3 ist die Einströmung zu einem Diagonalkreisel mit den Schaufeln 4 und den Schaufelaustrittskanten 5.3 is the inflow to a diagonal gyro with the blades 4 and the blade trailing edges 5.
Axial durchströmte Schaufeln sind mit 6 bezeichnet; 7 ist eine Einschnürung des Geschossumfanges, in der die positiv gepfeilte Schanfeln 8 angeordnet sind, die mit einem Düsenring 9 zum Zwecke der Verringerung des induzierten Widerstandes abgedeckt sein können.Axially flowed through blades are denoted by 6; 7 is a constriction the circumference of the bullet, in which the positively swept flaps 8 are arranged, those with a nozzle ring 9 for the purpose of reducing the induced drag can be covered.
Die Figuren zeigen lediglich Beispiele der Erfindung, die auch in anderen Formen und susammenstellungen Zur Anwendung kommen können.The figures show only examples of the invention, which are also shown in other shapes and compositions can be used.
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702018881 DE2018881A1 (en) | 1970-04-20 | 1970-04-20 | Twist-stabilized bullet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702018881 DE2018881A1 (en) | 1970-04-20 | 1970-04-20 | Twist-stabilized bullet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2018881A1 true DE2018881A1 (en) | 1971-11-04 |
Family
ID=5768558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702018881 Pending DE2018881A1 (en) | 1970-04-20 | 1970-04-20 | Twist-stabilized bullet |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2018881A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3995558A (en) * | 1975-01-02 | 1976-12-07 | The United States Of America As Represented By The Secretary Of The Army | Projectile |
DE3628129C1 (en) * | 1986-08-19 | 1988-03-03 | Rheinmetall Gmbh | Missile |
FR2627273A1 (en) * | 1988-02-17 | 1989-08-18 | Saint Louis Inst | FLYING ENGINE WITH GAS EJECTION NOZZLES |
-
1970
- 1970-04-20 DE DE19702018881 patent/DE2018881A1/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3995558A (en) * | 1975-01-02 | 1976-12-07 | The United States Of America As Represented By The Secretary Of The Army | Projectile |
DE3628129C1 (en) * | 1986-08-19 | 1988-03-03 | Rheinmetall Gmbh | Missile |
FR2627273A1 (en) * | 1988-02-17 | 1989-08-18 | Saint Louis Inst | FLYING ENGINE WITH GAS EJECTION NOZZLES |
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