Eli5: How can something as heavy as a aeroplane can lift and even more interesting how can it maintain a certain height for very long time above the air?

Question

Also if someone says increase engine power doesn’t that increase planes weight which means you need more engine power and it goes into a infinite loop

In: 0

Answer 1

Engines don’t directly create uppies; engines create forwards. Wings convert forwards into uppies. Wings can also convert forwards into downies, but this generally isn’t advisable unless flying inverted, at which point uppies are actually just negative downies.