microplastic
Well-Known Member
Cutaway model of the Czech LZMH-1 fuze used for the LR-112 unguided air-launched rocket, caliber 122mm. The fuze can be set for short/long delay or instantaneous firing and also features a side-impact function. The fuze has the same function as the conventional MRV-U fuze without the side impact element for the GRAD weapon system.
When fired, the setback forces the striker sleeve downwards, releasing the upper safety ball. When the setback stops, the sleeve is pushed upwards by the spring, releasing the four safety balls and the striker is also pushed upwards. This releases the slider, which is then placed into fireline by spring force. The fuze is armed. The sleeve has a zigzag path that slows its movement; this ensures that the fuze is armed at a safe distance from the aircraft.
Upon impact, the striker drives the firing pin into the primer, igniting the booster and then the detonator. In delay mode, the direct passage is closed and the flame travels through the delay element, delaying detonation by 0.012 or 0.060 seconds.
On side impact, the metal ring is thrown to the side, forcing the aluminum ring upwards and pushing the primer into the firing pin.
- Missile caliber: 122 mm
- missile length: 1940 mm
- missile weight: 47 kg
- missile range: up to 4000 m
- calibre of the rocket launcher: 122 mm
- launcher barrels: 4
When fired, the setback forces the striker sleeve downwards, releasing the upper safety ball. When the setback stops, the sleeve is pushed upwards by the spring, releasing the four safety balls and the striker is also pushed upwards. This releases the slider, which is then placed into fireline by spring force. The fuze is armed. The sleeve has a zigzag path that slows its movement; this ensures that the fuze is armed at a safe distance from the aircraft.
Upon impact, the striker drives the firing pin into the primer, igniting the booster and then the detonator. In delay mode, the direct passage is closed and the flame travels through the delay element, delaying detonation by 0.012 or 0.060 seconds.
On side impact, the metal ring is thrown to the side, forcing the aluminum ring upwards and pushing the primer into the firing pin.
- Missile caliber: 122 mm
- missile length: 1940 mm
- missile weight: 47 kg
- missile range: up to 4000 m
- calibre of the rocket launcher: 122 mm
- launcher barrels: 4
