JeSTeR_1269

Well, you really cant compare your windshield with standard home windows, BIG difference. I think he was saying if you crank up the velocity it would break, and I'm sure at some point it would. Especially if you hit it in the corner (the weakest part of the window)

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martix_agent

kaz If i post a video of myself shoot at a window in my house and it breaking because of being shot will you pay the cost to replace it? Do you honestly believe that paintballs can't break windows or are you just pulling my leg?

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TwEsT

I used to play a little woodsball on my property, i had a window as a snake like bunker set up, one of my buddies was behind it and it got shot and broke, ive seen ppl shoot out windows of house while driving around in a car, point proven paintballs can and will break windows

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2.0

True enough, windshields today are made with tempered, laminated glass. Tempered glass is able to resist about 20000 lb/in^2. You'd have to be shooting heavy rocks out of your marker at the same speed as a paintball in oder to break them.

I would think mirrors are made with the same type of annealed glass that windows are made of, but have a special micrometric coating of metal on the back. Most commercially available windows and mirrors have about the same thickness standards. My windows, like my bathroom mirror, are 0.6mm (1/4 inch) thick. But there's also manufacturing concerns like which type of glass the window is made out of and all that, perhaps mirrors are made with less resilient glass or something, i'd have to ask an engineer or something.

the_real_kaz

Ok maybe I need to clarify, I've been talking about car and truck windows (if you can't tell from my truck reference). I would also be very surprized if paintballs could break house window's with out completely tring to break them.

And go ahead and shoot at your house. lol I'm not paying **** though.

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Bop

Why are you shooting windows with a paintball gun???

DarkTamer

My friend broke a window on a house with his paintball gun. Another friend had his face up against the window on the other side when it happened Luckily it was a two-paned window, and it only broke the first pane.

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2.0

Idiotic teenage stuff i did when i started... doing backyard paintball with friends and all that.

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joeym415

sounds like we should ask mythbusters to do a test

MedicDVG

who needs mythbusters...

A) Find the average weight of a paintball.
b) Apply that weight (In grams) to the following formula F=MA (Force = Mass * acceleration) to determine the foot pound energy deposit of a paintball impact.
c) find the foot pound impact rating of household windows and compare to b. If b>c = broken window, if b<c = no broken window.

easy peasy

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2.0

Wikipedia has info in the projectiles page about the force of a paintball when it leaves the barrel Projectile - Wikipedia, the free encyclopedia, i've just ran it by the resident physicist and the page is correct, it does work out to about that value of 4.1kJ/Kg.

I couldn't find any info on the force required to break a window however, just info for windshields and specialized bulletproof glasses and that.

There's a lot of considerations on where the window needs to be hit in order to break more easily, the area of the window, the area of the paintball, the density and composition of the glass (eg if it contains extra atoms to make it more flexible and resilient) and so on. Won't be easy to calculate... any materials engineers out there?

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joeym415

true but i'd still like to see them go all scientific with the experiments and stuff

martix_agent

what medic says is more scientific than applying it would be. I think you just showed the why that show is so popular. "Who cares what numbers mean, I just wanna watch TV instead"

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2.0

Someone could send this to discovery channel and ask the mythbusters to solve it... lol. Though i must admit that'd be a pretty lame myth to do... i mean, nothing beats using sticks of dynamite to get the concrete off the inside of a cement mixer.

I'll tell you what. I work at a lab, we have plenty of crap laying around, I'm sure i can find a large old glass window and shoot it.

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Trbo323

^^^ if he really wanted to proove his point he would go shoot his own windows and send us a picture of how they "dont" break


one more thing, not to bring back up the frozen paintballs, i know thats not possible, but if freezing them is not possible how did the myth that the "frozen" ones hurt more? because heres the physics behind that

you have the same mass, traveling at the same speed, it would feel just like a bounce.....

2.0

Your hypothetical frozen paintball, in theory, won't collapse on impact as a thawed paintball does. The collapse of the capsule takes some of the energy out of getting hit, where as if you were hit with a ball that weighs the same and doesn't collapse, i'd think it would hurt a little more, but not my much because the collapse can't take that much energy out of it.

As for where it came from, dunno, intuitively i would also think it'd hurt a lot more... but i dunno. Maybe old paintballs were made with stuff that freezes, and perhaps it was true a long time ago but not anymore.

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Trbo323

ya i thought about that, but with the ball being the size it is i really dont think it would be noticable, with the math involved i think it may feel like the difference between 285fps and 286fps, just a hunch though

MedicDVG

Drop a glass of water on your foot.. and then drop the same amount of water that is frozen... tell me which hurts more..

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