Actually this is not real at all! If you were to they this the plane would be highly unstable. If you have aeen this exact experiment be done, you will see at the end that it is actually chicken wire. Its just an illusion that has tricked tumblr, again!
LADIES AND GENTLEMAN FROM THE SCIENCE SIDE OF TUMBLR AND ALL OF TUMBLR THIS IS A PRANK PLAYED BY STEVE SPANGLER ON HIS SICK SCIENCE CHANNEL HE LATER EXPLAINED THAT THIS IS IMPOSSIBLE. THERE IS A PIECE OF FISHING LINE CONNECTING THE TWO FANS IN WHICH THE PAPER AIRPLANE RESTS ATOP OF. SINCERELY, THE STEVE SPANGLER GEEK SIDE OF PINTEREST. I rest my case.