Type I, German name: 3 cm Minengeschoss 108 Ausführung A mit Zerleger
(3 cm M-Gesch. 108 Ausf.A m. Zerl.)
Mineshell fuzed with ZZ1589B. Pressed and rolled steel body and an aluminium fuze. Coloured yellow with a 5 mm light green band just under the fuze (meaning self-destruct shell). The shell is filled with 85 grams of HA41 (hexogen aluminium) or 85 grams of penthrite. Weight of shell: 330 +/- 8 grams.
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.
-----------------------------------------------------------------------------------------------------------------------------
Did they have any gunsights in the office?
Be fun to watch these self destruct at 1000 meters. Littel poofs around furballs and bomber formations. Proximity damage..
