if we combined all the exhaust pipes from all the ICE engines on earth, I wonder what the diameter of this super tailpipe would be ?

There has to be billions of tailpipes...most around 2 or 3 inches in diameter.

11 points · 10 comments · view on lemmy.world

10 Comments

DomeGuy@lemmy.world · 6 pts · 116d (2 replies)

A billion 3-inch circular tailpipes have the area of a 1.5 mile tailpipe.

Which would be... Very big.

Karmanopoly@lemmy.world · -2 pts · 116d (1 reply)

There's probably like 5 or 6 billion tailpipes

Imagine that pipe 5x as big spewing exhaust 24/7

Hadriscus@jlai.lu · 6 pts · 116d

Area increases quadratically with diameter :

Area of a disk 3 inches in diameter : 7.068583 square inches. Times 6 billion : 42,411,498,000sqin. The diameter of an exhaust pipe with such an area is 3.6676 miles. Impressive mental image

It becomes a circle packing problem if you want to visualize 6 billion actual exhaust pipes existing next to each other, and the total area of that one would be about equal to the 3.6676 miles times the inverse of circle packing efficiency (1/0.9069 or 1.102657), so about 4.0441 miles in diameter.

urheber@discuss.tchncs.de · 4 pts · 116d (4 replies)

What is a tailpipe

bizzle@lemmy.world · 6 pts · 116d (3 replies)

I believe the Europeans call it a "carse-hole" it's this part

urheber@discuss.tchncs.de · 3 pts · 116d (2 replies)

But ICEs are literally trains. They font have tailpipes...?

bizzle@lemmy.world · 3 pts · 115d (1 reply)

I think they meant ICE as in "internal combustion engine"

SoGrumpy@lemmy.ml · 1 pts · 114d

Um, whoosh?

Kolanaki@pawb.social · 3 pts · 116d

Still smaller than your mom's tailpipe. 😌

Rhynoplaz@lemmy.world · 2 pts · 116d

It would take 250,826,400 cars with a 2" tailpipe to fit around the earth.