A.Z. 23 Nb. (Preßstoff)Bd.Z. 5127
GERMAN EXPLOSIVE ORDNANCE - PROJECTILES AND PROJECTILE FUZES
CHAPTER 6
GERMAN PROJECTILES FUZES
BASE FUZE - BD. Z. 1511 AND BD. Z. 1512

EMPLOYMENT: Base fuze used in German 20-mm ammunition. (See fig. 599.)

CONSTRUCTION: The fuzes are threaded at the center of the body to engage the threads of the projectile.

A fixed detonator is held in the central flash channel of the fuze body. A striker with a large circular head which tapers outwards is retained by two spring strips which partially surround the head. One end of each spring is fixed to the fuze body and the remainder follows the contours of the striker head fitting closely against it.

ACTION: On impact, inertia forces the striker forward into the detonator. As the striker is pulled free from the springs, the enlarged diameter of the tapered striker head spreads the springs apart.

REMARKS: Both fuzes function in the same manner, but the 1511 has a tracer and the 1512 does not have a tracer.

Figure 599 – Bd.Z. 1511 and Bd.Z. 1512

BASE FUZE BD. Z. 1513 (NOMENCLATURE UNCERTAIN)

EMPLOYMENT: Base fuze used in German 20-mm ammunition.

CONSTRUCTION: The fuze which screws into the base of 20-mm ammunition contains no tracer element.

A movable detonator pellet is retained by two small locking balls in the base of the fuze body. A split ring holds the balls in the unarmed position.

A fixed striker is housed in the top of the fuze. The nose is closed by a cap containing a central flash hole.

ACTION: Centrifugal force opens the split ring releasing the locking balls. Upon impact, inertia causes the detonator pellet to set forward impinging upon the striker.

REMARKS: It is believed that this fuze is being used extensively today, but the exact nomenclature is uncertain.

Since it is used interchangeably with the Bd.Z. 1511 and Bd.Z. 1512 fuzes, it is assumed that the fuze is designated Bd.Z. 1513.

A.Z. 23 Nb. (Preßstoff)Bd.Z. 5127