Fuzes for Air Bombs

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FUZE AVU for Air Bombs

Universal air heat resistant fuze AVU with mechanical starting device is intended for high-explosive, fragmentation high-explosive, high-explosive incendiary, incendiary air-bombs and incendiary containers. The fuse is fitted into nose or base fuse threaded filling holes.The fuze provides point detonating and inertia action, ignition SQ and two delay modes.Fuze AVU completes the following types of air bombs:
· OFAB-100-120
· OFAB-250-270
· FAB-500M-62
The fuze is safe in storage, handling and operation and ensures the safe and reliable function of the ammunition in all weather conditions.

Arming: mechanical
Action: PD,   delayed
Operational Temperature Range: -60 to +150°C
Maximum allowed exposure at 150°C: 90 minutes
Shelf Life: 12.5 years





16 units in four air-tight metal boxes
packed in a wooden case with dimensions: 658 Ñ… 598 Ñ… 191 mm
Gross weight: 57 kg
Volume: 0.075 cu.m.
Total length: 210 mm


Weight:
Without additional ring: 1837 g
With additional ring: 1887 g

Method of arming mechanical device

Delay depending on the height of bombing
Assault circuit with delay (automatic): 8.2 – 14.5 s

Altitude circuit:
- immediate (setting Ðœ) SQ
- short delay (setting МЗ) 0.01 – 0.04 s
- middle delay (factory preset) 0.06 – 0.09 s

Distance arming delay:
- assault circuit 1.3 – 2.6 s
- setting П 3.5 – 5.5 s
- altitude circuit 8.7 – 13.5 s



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