HK-MOFA Multi-option Fuze for Artillery

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HK-MOFA Multi-option Fuze for Artillery

HELLENIC INSTRUMENTS introduces to the market the HK-MOFA Multi-option Fuze for Artillery, specialized for use on 105mm, 155mm and 203mm gun and 120mm rifled mortar projectiles. The HK-MOFA Fuze can be combined with any type of high-explosive or illuminating rounds. It offers various operational modes that can be inductively programmed with HK-SETTER. The HK-MOFA Fuze can be set an infinite number of times and will retain the last setting indefinitely until reprogrammed.

• Multi-option fuze for 105mm, 155mm, 203mm gun
• Also suitable for 120mm rifled mortar projectiles
• 3 modes: Proximity, Electronic Time, Point Detonating
• Inductively settable with HK-SETTER
• Resistant to counter-measures with custom sensor
• Electronic detonation with non-mechanical parts
• Reserve type battery – Lithium Thionylchlorid
• 7 electromechanical levels of safety after firing

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Standards

The HK-MOFA complies with the applicable requirements as specified in:

Military Standards

MIL-STD-331 Fuze and Fuze Component, Environmental and Performance Tests
MIL-STD-333 Fuze, Projectile and Accessory Contours
MIL-STD-1316 Fuze Design Safety Criteria
MIL-STD-1168 Ammunition Lot Numbering and Ammunition Data Card
MIL-STD-1916 06-2014 DOD Preferred Methods for Acceptance of Product

STANAGS

STANAG 2916 Nose Fuze Contours and Matching Projectile Cavities
STANAG 4187 Fuzing Systems: Safety Design Requirements
STANAG 4157 Fuzing Systems: Test Requirement for Assessment of Safety and Suitability for Service
STANAG 4369 Design Requirements for lnductive Setting of Electronic Projectile Fuzes

NATO Standards

NATO-AOP-22 Design Criteria and Test Methods for Inductive Setting of Electronic Projectile Fuzes

Safety

The HK-MOFA has been designed with the following integrated safety systems:

Mechanical: 100 to 200 meters
Acceleration-dependent and rotation-dependent safety elements
No manual manipulation possible due to closed fuze housing
Time delay circuits prevent early detonation (1 second min)
Reserve type battery requires both setback and spin to activate

HK-SETTER INDUCTIVE PROGRAMMER

The HK-SETTER programmer is a microprocessor-based device with an induction circuit that programs and tests the HK-FUZE. When the programmer is fitted on top of the HK-FUZE, the inductive coil transfers energy and data to the fuze, performing multiple programming functions to the device.

The HK-SETTER supports programming from 2 sec to 199.9 sec with a step of 0.1 sec, features a 32-character LED display (2 lines X 16 characters) for ease of use, with the ability to display instructions. Through the display the operator has a visual indication of the following:
• Programming status (available / busy),
• Selecting the function of the HK-FUZE: Proximity, Electronic Time, Point Detonating
• Increase / decrease the desired activation time of the HK-FUZE,
• Query the programmed value of the activation time of the HK-FUZE,
• Operation status of the electronic circuit of the HK-FUZE (pass / fail),
• Programming mode (pass / fail)