The bottle itself contains the fuel, and oxygen is provided by the atmosphere. In the case of the MC, the burning rag attached to the bottle provides the heat necessary to ignite the fire. Remove any one of those, and the fire extinguishes. Any fire needs three main factors to both start and sustain: Thermal sights see through smoke and a tank is a moving object and would roll through the smoke generated by the grenade in a few seconds.ĭepending on the fuel used in the Molotov Coctail, this might not be enough. The TC and loader normally have their heads out of the hatch so the Halon going off is just a minor inconvenience as far as air goes.Ī smoke grenade is fairly useless against a tank. The gunner is the only one without a hatch and usually trying to climb out over the TC to get some air. The Halon would put out any internal fire and the engine might abort, but could probably be restarted in seconds.īesides, tank crews practice "unass drills" to get out of the tank as quickly as possible in case of internal fire or rollover. A fire inside the crew compartment has to be sensed by the sensors (dual action sensor that detects flash of light + heat to activate).Ī fire on the engine deck may set off the engine compartment's Halon, but other than a sensor alert to the crew and a lot of smoke out of the rear, the crew compartment Haylon would not go off and the crew would not suffocate. If the one in the crew compartment goes off, the inside of the tank fills with compressed Halon and you need to get out to breath. The Abrams has a couple of separate systems, one in the engine compartment and one in the crew compartment. Modern tanks use a Halon fire suppression system that absorbs the oxygen and extinguishes the flames.
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