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ARMING SAFETY SWITCH MK 122 MOD 0 - 14024_30
FMU-140/B DISPENSER PROXIMITY FUZE - 14024_32

Aviation Ordinanceman 1 - Aviation theories and other practices
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Figure 1-15.—Mk 43 Mod 0 target detecting device. The fuze circuitry produces a lobe pattern. It radiates a pattern at right angles (fig. 1-16) to the longitudinal axis of the weapon. When the Mk 43 is initiated by the conventional method, fuze functioning occurs instantaneously when a firing pulse is received from the thermal battery. If the alternate method is used (striker rod), the fuze is set for either of the two functioning delays—DLY 1 for 0.015-second delay or DLY 2 for 0.100-second delay. Detonation of the bomb is delayed by either 0.015 second or 0.100 second, depending on the delay that is selected. Figure 1-16.—Mk 43 Mod 0 target detecting device antenna pattern. M20 AND M20A1 SENSING ELEMENT PROXIMITY FUZE The M20 is identifiable by the tan color of its plastic nose cone. The nose cone of the M20A1 is brick red. The only difference between the two sensing elements 1-21







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