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NuXCOM_90Percent ,

I mean, it’s funny and ironic in that Alanis Morrisette kind of way. But it actually makes sense.

Fire hydrants are heavily engineered hunks of metal. Metal getting rammed into at speed is a great way to generate sparks. And lithium fires are scary as hell. There is areason ANYONE futzing around with lipos should have a bucket of sand handy and why, as the article states, first responders need to handle these specially.

It is a similar principle as to how you don’t pour water on a grease fire.

HeyThisIsntTheYMCA ,
@HeyThisIsntTheYMCA@lemmy.world avatar

out of curiosity, what do you pour on a water fire? I sure as hell know it’s not grease.

ch00f , (edited )

Ok a few things:

Batteries don’t need “a few sparks” to catch fire. They will generate plenty of heat if punctured and self-ignite.

You don’t pour water on a grease fire because grease floats and it will spill out of your pot and catch the rest of your kitchen on fire. Also the water will boil and splatter oil everywhere.

Also pouring water on a battery fire is the preferred way to put it out. Many of the chemicals in the battery will release oxygen when heated, so the best way to put it out is to cool it down as much as possible by dousing it with a shitload of water. It isn’t always possible to apply enough water to the core of the fire which is why they are hard to put out. Sand won’t do anything because the fire is self-oxidizing.

Yes lithium metal reacts with water, but that’s not what makes batteries hard to put out.

NuXCOM_90Percent ,

Yes. Apologies. I did not do a proper deep dive as a “Well ackshually” response to a joke post. I will endeavor to do better in the future.

Albbi ,

I’ve heard plenty of times to never use water on a grease fire, but never learned why or what happens if you do. Thanks for that!

ShepherdPie ,

It’s a lot more aggressive than what comes through in their description. It can create a giant fireball since the water boils instantly on contact and causes the burning oil to fling up into the air almost like a flame thrower.

ch00f ,

17 second demonstration: www.youtube.com/watch?v=NgO_uZA5vXg

I once set oil on fire while making stovetop popcorn while drunk. This knowledge likely saved my house.

Lost_My_Mind ,

Well now I don’t know WHO to upvote. Guy before you sound smart. You sound smart too! Me dumb! Me bang rocks together!!! RAAAHHHH!!! RAHHH!!! BORED! BORED! RIP OWN HEAD OFF!!! RAAAAWWWWWW!!!

Hupf ,
@Hupf@feddit.org avatar

Upvote me then!

hikaru755 ,

Sand won’t do anything because the fire is self-oxidizing.

From my understanding the recommendation to have a bucket of sand around when handling lithium batteries is not to put the fire out with it, but to have something to throw the battery into that’s not gonna catch fire as well, and then to carry the whole bucket somewhere where the battery can just burn out on its own. Is that wrong?

LowtierComputer ,

Yes and no. I think.

What I was taught was to dump the battery in the sand and cover it in sand. Then drench with water if possible. This also keeps the now toxic water from reaching a drain.

cheese_greater ,

Move over Ford Pinto, there’s a new, more flammable kid in town

not_that_guy05 ,

Move over Nissan Altima, you mean. Altima in the 10’s were catching on fire if hit in the trunk area.

ThePantser ,
@ThePantser@lemmy.world avatar

The popular police cruiser Crown Victoria was also a bomb on wheels because the fuel tanks were in the back and unprotected.

autosafety.org/popular-police-cars-crown-victoria…

Pantsofmagic ,

https://lemmy.world/pictrs/image/1b7baa9b-5cc5-4dbd-a972-5240e20845b4.jpeg

Kyrgizion ,

Fire BAD!

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