किस तरह Helicopter उड़ता है? ||how do helicopter fly in HINDI? (under 4 minutes)

 

How do helicopter actually fly. All you want to know about the helicopter..how its working.. actually its little different that what you thought. wings designed Airfoil technology The shape of the wings is designed so that the air flowing over the top surface has to travel further, and it therefore travels faster, than the air under the wing. This causes the pressure of the air on the top of the wing to be lower, and so effectively the wing – and therefore the aircraft – is sucked up by this lower pressure. helicopter fly forward tilt wings forward. reduce R.P.M(Revolutions per minute) some source are collected from https://www.decodedscience.org http://www.explainthatstuff.com i make this video as simple as possible.. hope u like it..must share and subscribe thanks.... Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use