this post was submitted on 12 Mar 2024
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[–] [email protected] 15 points 8 months ago (17 children)

You sure about that?

Cylinders of the same volume will have the same area, so it should be the same amount of aluminum?

Maybe less, even, since the lid and bottom are thicker than the sides and on the taller can there's less of that thick top/bottom

[–] [email protected] 65 points 8 months ago* (last edited 8 months ago) (10 children)

Ignore things like the bevel, wall thickness, etc. Just calculating for a basic right cylinder, you can see how the surface area changes for different heights with a constant volume. I've outlined the standard dimensions of a can(inches). https://youtu.be/gL3HxBQyeg0

[–] [email protected] 21 points 8 months ago (7 children)

I had a feeling it'd math out something like that if I opened my fat mouth, lol

I do wonder if thickness of the walls or lid/bottom does have an effect, though, as there must be some reason they make these weird ass cans

[–] [email protected] 15 points 8 months ago

In the grand scheme of things, it's not using much more. And if the prices are correct in OP, the markup on the new can is way higher than any extra cost they are incurring from additional raw materials. They probably had some marketing study show that a taller looking can makes consumer's less angry about a price increase or some other crazy nonsense.

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