Can you solve the airplane riddle? - Judd A. Schorr

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Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's not enough fuel to complete the journey. Luckily, there are two other planes to help. Can you help the professor fly for the whole trip and achieve his dream, without anyone running out of fuel and crashing? Judd A. Schorr shows how.

Lesson by Judd A. Schorr, animation by Artrake Studio.

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For anyone wondering, Fukanō (Fukanou) means "impossible" in Japanese.

MatthewNJDavis

“The professor probably could have designed the plane to hold more fuel, but where’s the fun in that?”
Me: NOT DYING

juliannevogt

he doesn’t even need to fly around the earth nonstop, being able to make a plane that goes over 5 times the speed of sound is impressive enough

nate_storm

Me: Hears first part of puzzle.
Me: This is easy
Narrator: Fugori and Orokana cannot crash
Me: damn, there goes my strategy

ericfleet

The names are brilliant. "Impossible "(Fukano), "unlogical" Fugori, and Silly/stupid/obsurd "Orokana"

aliceb

不可能 = Fukano = not possible
不合理 = Fugori = absurd
愚かな = Orokana = foolish

GreenT_LoR

I GOT IT A FIGURED IT OUT!!!! Wait all three have to survive? Dammit

jasperlane

I just realized. In order for the professor to travel around the globe at 1 degree longitude per minute, he'd be travelling roughly 4, 150 miles per hour!

GTron

I just had orokani give all her fuel to the prof. RIP orokani she took one for the team

zasfp

watch these puzzles, think about them for like one min (so you don't bad about yourself like at least you tried) watch the solutions, laugh at the funny comments Next puzzle please

mulham

when professor realizes his favourate album takes fuel

elluvitesmith

Alt Solution 1: beg and bribe another airport for permission.
Alt Solution 2: stop being so ambitious and make a larger fuel tank.

AndyHappyGuy

Too much fuel was wasted on this experiment.

vidyaraut

"now all we need to do is make the lunch not fly everywhere"

what you need to do is make it so that passengers don't instantly die from the g force of turning around

jayjem

There are 2 optimizations that can be made to the solution.

1. Fugori can actually travel past 90 degrees with the professor, if Orokana, after refueling, heads back out to help Fugori on the way back to base.
2. Orokana can meet the professor with more fuel at 270 degrees if Fugori accompanies her when moving clockwise, and refills her tank to full after 60 degrees.

With this optimization, a fuel tank with capacity 162 kiloliters is sufficient - the professor can be left with a full fuel tank 99 degrees out, and meet up with an assistant as he runs out of fuel, 99 degrees before the end of his trip.

SuperSoyajin