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The EPSILON is a radio proximity fuze, utilizing the Doppler Effect. This electronic ignition device, detonates high explosive ammunition, above the ground, thus increasing the artillery system lethality.
COMPATIBILITY:
Witha ll types of eastern high explosive (HE) projectiles for artillery howitzers and guns as follows:
M139 MOD 1 for 122 MM, 152 MM
M139 MOD 2 for 130 MM
OPERATION MODES:
Proximity (PRX)
Point Detonating (PD) - Upon selection (optional).
BACK-UP:
Point detonating back-up on proximity mode.
ARMING:
Mechanical - By two independent arming mechanism:
(a) set-back forces.
(b) Spin.
Electronic - Min of 0.6sec. for electronic arming.
SAFETY FEATURES:
Set-back - Acceleration of 2,000 g min.
Spin - Spin rate of 3,500 RPM min.
Safe Separation Distance (S.S.D.) - 40 m.
Min. Flight Time for Proximity Function - 2.4sec.
Power supply-Air driven alternator
No use of safety wire
HEIGHT OF BURST (HOB):
Nominal - 4m above target (average)
Other HOB - Upon request.
IMMUNITY:
The fuzes haev immunity to typical electronic counter-measures.
Will not be activated by cloud, haze, thunder or sand storm.
TEMPERATURE:
Operation - -20C to 60C (-40C optional)
Storage - -40C to 70C.
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MARKING:
On Fuze and Packing - as defined by the customer.
PACKING:
The fuzes are packed in MSA1 metal amm. boxes.
PHYSICAL DESCRIPTION:
Overall Length - 130.0 mm.
Cross Section Diameter - 42.6 mm
Intrusion Depth - 46.5 mm
Weight - 0.42kg.
MILITARY STANDARDS:
MIL-STD-331A - Environmental and performance test for fuze and fuze components.
MIL-STD-1316C - Fuze design, safety criteria.
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