Hi all
How do you solve the warhaed part of the rocket and the fuse ?
Akon
The KP2 contact group is mounted on the mounting panel (15) with the help of four screws (17). The KP2 contact group consists of a lid (13) and a lid (14), mutually insulated by a washer (12). All mechanisms are located in the SAM body (23), which is covered by a sleeve (16).
The SAM electrical scheme consists of a unlocking, fire and control circuit. The unlocking circuit is connected to the safety capacitor C2, which is located in the rocket's rudder section and contains an electric squib. The voltage from the capacitor is supplied to the electric igniter after the missile has left the launcher, the rudders have been opened and the contacts of the V1 switch of the rocket terminal box have been connected.
The fire circuit diagram includes: diode D, capacitor C1, contact groups KP1, KP2, KP3, pulse generator IG, transistor PP, which amplifies the signal from the pulse generator, and a ED-DD combined electric detonator.
To protect against static electricity, in case of bridge overload, the electric combination detonator ED-DD is connected laterally using resistor R3. To discharge capacitor C1 during checks, the diode is bridged sideways using resistor R1. To limit the collector current of the transistor PP, in the case of a pulse generator coil voltage IG, the coil is bridged laterally with the help of resistor R2. To check the disconnection of contacts KP1, KP2 and to check the connection of the collector-emitter circuit of transistor PP, resistor R4 is connected. The contact circuit (contacts 1 and 4) is used to check whether the SAM is not unlocked and is secured by creating a circuit between contacts 4-8 and 3-7 of the KP3 contact group. The SAM and the warhead are activated after firing as follows:
After pressing the trigger of the 9P58 launcher, a voltage of 40 volts is applied to the safety capacitor C2 (in the rudder section) through the resistor R2. As soon as the missile leaves the launching tube after launch, the rudders are opened, the contacts of the switch V1 are connected and a voltage of 40 volts is applied to the SAM capacitor C1 from the on-board power supply, and the voltage of the capacitor C2 initiates the electric squib (28), which simultaneously ignites a composition in pyrotechnic safety catch (7) and a composition in the self-destruct ring (10).
At the same time, the inertia pin (20), due to the inertial force of the axial acceleration, is pressed downwards and frees the way for the rotating insert (5) to rotate. This removes the 1st level of SAM security. After the missile moves away from the launchering tube, the inertia of the force acting on the inertia pin (20) decreases and it begins to move upwards. At this stage, the inertia pin blocks the rotation of the rotary insert (5), preventing the SAM electrical circuit from closing.
When the missile flies a distance of 80 - 250 m from the launcher tube, the pyrotechnic safety catch (7) burns out and clears the way for the blocking pin (6). Under the action of the spring (8), the blocking pin (6) is pushed out of the rotating insert (5) and, under the action of the spring (21), it is rotated into the fire position. The second level of SAM security is now removed. The SAM is fully arming and ready for operation. The rotating insert (5) is rotated under the action of the spring (21) so that the axis of the combined electric detonator ED-DD (33) is aligned with the axis of the relay charge (25). The lower front wall of the combined electric detonator ED-DD (33) is positioned opposite the end of the pressed pyrotechnic composition of the self-destruction ring (10) and the combat circuit of the combined electric detonator ED-DD (33) is closed with the help of the slats (32, 38) and contacts (40, 41) of the contact group KP3. During the flight, the pyrotechnic composition (9) of the self-destruct ring (10) burns. The on-board power supply during the missile's flight powers the SAM firing circuit's power capacitor C1(11). When the missile hits the target, the achor (51) closes, is torn away from the magnet (53) by inertial forces, and moves towards the slats (47). n this case, an electromotive force is induced in the coil of the pulse generator (44), the resulting current is amplified by the transistor PP and fed to the combined electric detonator ED-DD (33). The combined electric detonator ED-DD (33) is thus activated. The combined electric detonator ED-DD (33) detonates the relay charge (25), which causes the booster (3) and then the explosive charge (2) to explode. The detonation of the explosive charge causes the walls of the warhead body (1) to rupture into fragments that act on the target in a radial direction with a blasting and fragmentation effect. In the axial direction, a cumulative beam is created, which breaks up groups and components of the missile's forward-mounted devices and directs them in a bundle of fragments towards the target, thereby causing additional destruction of the target. n case of a failure of the pulse generator IG or transistor PP in the SAM, there are two spare circuits for transmitting an electrical pulse to initiate the combined electric detonator ED-DD.
The first circuit : The closing anchor(51) when moving the joints of the slats (47) of the contact group KP1 and the current pulse from the capacitor C1 (11) is supplied to the combined electric detonator ED-DD (33).
The second circuit: When the SAM is destroyed, the cover (13) and the cover (14) of the contact group KP2 are connected. The electric current pulse from the capacitor C1 (11) is thus fed to the combined electric detonator ED-DD (33).
After a period of 14 - 17 seconds, the reinforcing pyrotechnic composition (9) in the self-destruction ring (10) burns out and the combined electric detonator ED-DD (33) is initiated by the flame discharge.