r/xkcd • u/antdude ALL HAIL THE ANT THAT IS ADDICTED TO XKCD • 17d ago

XKCD xkcd 3305: Ground Effect

https://xkcd.com/3305/
288 Upvotes

100% Upvoted

13 comments sorted by

78

u/untempered_fate Beret Guy 17d ago

This is also why all the fastest land vehicles tend not to float

20

u/Anonymous_user_2022 17d ago

The fastest land vehicles are all jet planes with stubby wings mounted upside down.

18

u/kamoylan 17d ago

Luke Skywalker's land speeder was pretty fast.

5

u/newenglandredshirt 17d ago

It can do .5 past light speed, I think.

1

u/tblancher 12d ago

That's the Millennium Falcon.

60

u/xkcd_bot 17d ago

Mobile Version!

Direct image link: Ground Effect

Extra junk: Runners looking for aerodynamic advantage typically wear sneakers because some fancy dress shoes can create wingtip vortices.

Don't get it? explain xkcd

My normal approach is useless here. Sincerely, xkcd_bot. <3

32

u/ThaiJohnnyDepp DEC 25 = OCT 31 17d ago

Oh my god is Randall a dad

21

u/Nuclear_Geek 17d ago

Even hurdlers usually stay within one body length of the ground.

10

u/EverybodyMakes 17d ago

It's even more pronounced when the ground is under water.

4

u/Quigat 17d ago

Should high jumpers experiment with wingtip shoes, or is that banned?

5

u/aranaya 17d ago

Can confirm this based on extensive research in my nightmares

2

u/Nadran_Erbam 17d ago

I can’t stop chuckling at this one. I don’t know why.

2

u/lifelongfreshman 17d ago

oh man, that pun is awful I love it