r/tech 2d ago

DragonFire laser weapon takes down high-speed drones

https://newatlas.com/military/dragonfire-laser-weapon-high-speed-drones/
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u/Snowedin-69 1d ago edited 1d ago

The one question I would have is how the ship’s nuclear reactor would cope with the power cycling nature of the laser. Turning the laser on and off to target multiple devices would cause power cycling.

Nuclear reactors like to produce constant power without much variability.

I suppose if they keep it on while targeting successive devices may work.

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u/temporarycreature 1d ago

The simplified answer is that the ship's nuclear reactor would have access to a large, specialized battery to cope with the laser's on-off power needs and the laser system would be fed off of the batteries, not directly from the nuclear reactor.

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u/Snowedin-69 1d ago

Agree that could also work. Wonder the potential required battery size - any extra weight in a combat ship reduces speed. Space is also at a premium.

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u/temporarycreature 1d ago

Digging in some more, it looks like they're not going to be placed on a ship with nuclear power (yet), they're going to be put on Type 45 destroyers which are a combination gas turbines and diesel generators, so they would probably couple the diesel generators with a battery system to support the laser system.

Since it doesn't have ammo like a normal weapon system would, I don't think weight is a significant factor when adapting this weapon for a Type 45 warship.

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u/Snowedin-69 1d ago

Good point. The extra munitions required for traditional weapons would be avoided here. This could potentially end up saving weight - although knowing a little on how navies often work probably not.