Guided missile

FIELD: weapons and ammunition.

SUBSTANCE: guided missile is made based on canard configuration. The missile with a single-channel control system and rotating in roll direction. The missile contains a main propulsion system, a steering wheel in one plane and a stabiliser with the location of fixed bearing surfaces by X-shaped pattern relating to the plane of the steering wheel console. At the head part of the housing of the guided missile in a plane perpendicular to the plane of the steering wheel console, the pylons are mounted. The fixed consoles of the pylons in a transverse plane are located at an angle of 45-60 degrees relative the consoles of the stabiliser. The consoles of the pylon on the geometric shape in the plan are made like consoles of the steering wheel with the ratio of areas of the pylon and the steering wheel as 0.5-1.0. The ratio of areas of the console of the pylon and the console of the stabiliser are made as 0.05-0.1.

EFFECT: improved control efficiency, improved ballistic and dynamic properties of the missile.

2 dwg

 

The invention relates to the field of armaments, in particular to the field of anti-tank and small anti-aircraft guided missiles with single-channel control system, and can be used in the construction of guided projectiles with the main engines, made by aerodynamic configuration "duck".

Known guided projectile [Patent RU 2133443 (sue KBP)], adopted for the prototype [1].

The shortcoming of managed projectile made in aerodynamic design "duck", with one-channel control system is that the location of the control surfaces in the same plane creates an asymmetry aerodynamic characteristics of the control channels. For symmetry (averaging over channels) aerodynamic characteristics must be set greater angular speed of rotation of the roll. This is complicated by the steering actuator, the complicated construction of the projectile.

In the prototype, the symmetry of the aerodynamic characteristics in the horizontal and vertical planes running on the managed projectile with the location of the stationary consoles stabilizer relative to the plane consoles steering on exobase circuit, in particular an angle of 30...40 degrees.

The shortcoming of the prototype is that the symmetry of the aerodynamic characteristics can be astigmata only managed shells with constant not changing in flight position of the center of mass of the projectile. This is mainly for managed shells without the main engine or the main engines of charge located at the center of mass of the projectile, with insignificant change the position of the center of mass in flight.

At asymmetric airframe missile (handlebars in one plane only) changing the position of the center of mass of the projectile in flight (when the burn-in charge of main engine) leads to different values change the torque characteristics in the vertical and horizontal planes. This creates an asymmetry in the basic aerodynamic characteristics in the control channels.

This asymmetry leads to a decrease of the dynamic characteristics of the projectile with a single channel control system in flight and, consequently, to increased fluctuations on a trajectory to reduce the accuracy characteristics of defeats the purpose.

The objective of the invention is to improve the management effectiveness of the projectile in flight by balancing the aerodynamic characteristics of the airframe projectile with a single channel control system.

The solution of the problem is that in a controlled projectile, made by aerodynamic configuration "duck", with one-channel control system, the rotating roll, containing the main engine, the wheel in the same plane, p is bilization with the location of the stationary bearing surfaces of the X-shaped diagram with respect to a plane consoles steering, what's new is that on the head part of the body controlled projectile in the plane perpendicular to the plane of the steering consoles, installed pylons, fixed console which in transverse plane located at an angle of 45...60 degrees relative to consoles stabilizer, while the console pylon on the geometric shape in plan is executed like steering consoles with the ratio of the areas of the pylon and steering as 0.5...1.0, and the ratio of the areas of the console pylon and console stabilizer is designed as 0,05 0,10....

Compared with the prototype in the presence of common structural characteristics and properties of the guided projectile with the proposed design allows you to ensure symmetry in the basic aerodynamic and dynamic characteristics of the projectile, to improve the management effectiveness of the projectile.

The principle of operation and device proposed solution is illustrated graphics.

In Fig.1 presents a guided projectile of the proposed design. Guided projectile (Fig.1) consists of the warhead 1, main engine 2, wheel 3, pylon 4, stabilizer 5.

In Fig.2 shows the layout of consoles stabilizer 5 on consoles pylon 4 and the steering wheel 3 in the transverse plane.

The symmetry of the dynamic characteristics (stabilizing time, angle of attack) in the course and pitch planes managed the outfit with the main engines with a single channel control system, with the rudder in the same plane and location of consoles stabilizer for X-shaped diagram is achieved by installing consoles pylon on the head part of the housing in the plane perpendicular to the plane of the steering consoles.

Conducted research and flight testing of a managed shell with the main engines and single-channel control system allowed us to determine the design parameters of the pylon. This solution allows to obtain the symmetry of the glider managed projectile in flight with the rudder in the same plane on the basic aerodynamic characteristics at the optimum ratios of the areas consoles pylon and steering as 0.5...1.0 and the ratio of the areas consoles pylon and stabilizer as 0,05 0,10.... When this console pylon in the transverse plane set at an angle of 45...60 degrees relative to consoles stabilizer.

Application in the construction of anti-tank and anti-aircraft guided missiles of this technical solution has improved the management efficiency, improve dynamic and ballistic characteristics of a managed shell with single-channel control system.

Guided projectile, made by aerodynamic configuration "duck", with one-channel control system, the rotating roll, containing the main engine, the wheel in the same plane, the stabilizer with ASD what orogenies stationary bearing surfaces of the X-shaped diagram with respect to a plane consoles steering, characterized in that the head part of the body controlled projectile in the plane perpendicular to the plane of the steering consoles, installed pylons, fixed console which in transverse plane located at an angle of 45...60 degrees relative to consoles stabilizer, while the console pylon on the geometric shape in plan is executed like steering consoles with the ratio of the areas of the pylon and steering as 0.5...1.0, and the ratio of the areas of the console pylon and console stabilizer is designed as...0,1 0,05.



 

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FIELD: armament, in particular, guided missiles.

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