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ZZ 1589 B fuse
Due to the riffling of the barrel, the shell is given a high rotational speed during firing. This leads to centrifugal forces that push the six balls (7) outwards, forcing them in the collar ring and keeping the firing pin housing (4) which holds the firing pin (5) in upper position. Meanwhile the wrapped safety coil (6) rolls out, thereby opening the way for the firing pin housing to move downward forced by spring (8), however held back by the balls in the groove. At impact the firing pin housing with firing pin is simply hammered down in the duplex detonator (the balls are forced back into the firing pin housing), exploding the shell. If the rotational speed decreases too much (long time of flight, i.e. the shell missed target) the force of the spring will force the balls back into the firing pin housing after which it moves down due to the spring force. This forces the firing pin into the duplex detonator (10), exploding the shell. This description also applies to the ZZ 1589 A fuse.
AZ 1587 fuse
While at rest, the centrifugal safety pins (5) prevent the firing pin housing (3) holding the firing pin (4) from moving over the hole in the safety plate (9). They are held in this position by the the safety coil (6). During firing, the shell starts to rotate due to the riffling, making the centrifugal safety pins move outwards, overpowering the safety coil, allowing the firing pin housing (3) to move to its central position. Immediately after firing the shell starts to loose speed due to aerodynamic drag. This deceleration makes the ball (7) move forward inside the the adapter body (2). As soon as the ball has reached the top position, it will fall in a recess in the firing pin housing, thereby making the housing heavier on the side of the ball. Centrifugal force will now swing the ball outward , thereby pulling the firing pin housing in its central position, with the firing pin over the hole in the safety plate. At impact the firing pin is hammered into the Duplex detonator, thereby exploding the shell.
[/li]В: Как быстро пуля теряет скорость вращения?
О: На этот вопрос нельзя ответить в общем. Как правило, вращение намного медленнее гасится, чем скорость: Оценка этого для пули M80 (7.62 x 51 НАТО), выстреленной вертикально вверх, дала следующие результаты:
вся скорость потеряна в верхней точкевсего примерно 36% угловой скорости было потеряно в верхней точке.
В августе 1944 года, получив звание капитана, он был назначен заместителем командира 176-го гвардейского полка и стал воевать на новом истребителе Ла-7.