this post was submitted on 06 Aug 2026
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[–] djmikeale@feddit.dk 24 points 2 days ago (2 children)

The image doesn't correspond to the text.

Using the advanced method of guesstimating, let's assume the radius of each of the silicone spheres to be at least 20 cm. Applying V=(4/3) x pi r^3 we get a volume of 33510 cc.

You'd need a radius of 10 cm to get down to 4000 cc. This corresponds to 20 cm diameter, or rather, the length of a human hand

[–] ToiletFlushShowerScream@piefed.world 6 points 2 days ago (1 children)

Yeah, I could not get over that unless the person in the picture is an infant, whatever those are, they are much larger than than 4L.

4L

Oh, I thought it was some special unit. It's just cm^3^ (Cubic Centimeter), so the same thing as milliliters.

[–] LifeInMultipleChoice@lemmy.dbzer0.com 1 points 2 days ago* (last edited 2 days ago) (1 children)

I went straight to will 2 x 2 liters fit in each one... Sounds about right. Maybe a bit off. 1cc=1ml. 4000-> 4 liters

And I only think of liters in drinks and engines, and putting a 4.0L v6 on her chest from a Jeep Cherokee might be a bit bigger

[–] boonhet@sopuli.xyz 1 points 1 day ago (1 children)

Well when it comes to engine displacement, you're just talking about cylinder crosscut area times piston movement (so not even the entirety of the cylinder volume, just how much air the pistons displace). That 4.0 inline 6 is a big ol' lump, but are the cylinders really that big if you think about it? Much of it is the crankcase, head, the block around the cylinders themselves, etc.

4 liters is just a bit more than a gallon

Yeah it's the inside of the cylinders, but it was a more comical picture to carry an engine block around on your chest.