@dilaradgu_: nyc✨🗽

Dilara
Dilara
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Sunday 30 August 2026 15:52:38 GMT
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m.tfq67
𝐦.𝐞𝐥𝐢𝐡𝐡😘😘 :
la vie qu’on rêve tous d’avoir ❤️😘
2026-08-30 21:10:57
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lalyaaa07
lalyaa’💋 :
😍😍😍
2026-08-30 16:01:35
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deduduga6
deduduga6 :
😍😍😍😍🔥
2026-08-30 16:24:39
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We don’t have the ‘helicopter helicopter meme' for you but ever wondered how helicopter blades work? Helicopters and other kinds of rotorcraft like some drones use rapidly revolving blades to stay up in the air. But how exactly do they work? Even though ‘choppers’ can do many things that fixed-wing planes can’t — like hover — the force that keeps them aloft is the same.  Designers of both helicopter blades and airplane wings are exploiting what’s called ‘lift’ by shaping them as ‘airfoils’. Those are streamlined structures that are rounded on their upper surface and flatter on their underside.  When the aircraft is moving, the air travels over these different surfaces at different speeds. It moves faster on the top side, and slower on the bottom side. This creates higher pressure below the structure and lower pressure above it. If this process happens fast enough, lift will eventually pull the airfoil (and anything attached to it) into the air.  Airplanes generate lift under their fixed wings by moving at great speed, initially on the ground during takeoff. When enough lift causes them to become airborne, they have to keep moving forward at a high speed to keep enough air flowing over their wings to maintain that uplift.  Helicopters also have airfoil structures — their rotary blades — and are just using the same force with a different method. Instead of rolling or flying fast to maintain rapid airflow, they spin up the rotors and move their blades at high speed through the relatively motionless air. This makes it possible for them to hover in one spot. Author: Derrick William #STEMTok #dwscience #LearnOnTikTok #Science #physicstok #physicsofflight #airfoil #flying
We don’t have the ‘helicopter helicopter meme' for you but ever wondered how helicopter blades work? Helicopters and other kinds of rotorcraft like some drones use rapidly revolving blades to stay up in the air. But how exactly do they work? Even though ‘choppers’ can do many things that fixed-wing planes can’t — like hover — the force that keeps them aloft is the same. Designers of both helicopter blades and airplane wings are exploiting what’s called ‘lift’ by shaping them as ‘airfoils’. Those are streamlined structures that are rounded on their upper surface and flatter on their underside. When the aircraft is moving, the air travels over these different surfaces at different speeds. It moves faster on the top side, and slower on the bottom side. This creates higher pressure below the structure and lower pressure above it. If this process happens fast enough, lift will eventually pull the airfoil (and anything attached to it) into the air. Airplanes generate lift under their fixed wings by moving at great speed, initially on the ground during takeoff. When enough lift causes them to become airborne, they have to keep moving forward at a high speed to keep enough air flowing over their wings to maintain that uplift. Helicopters also have airfoil structures — their rotary blades — and are just using the same force with a different method. Instead of rolling or flying fast to maintain rapid airflow, they spin up the rotors and move their blades at high speed through the relatively motionless air. This makes it possible for them to hover in one spot. Author: Derrick William #STEMTok #dwscience #LearnOnTikTok #Science #physicstok #physicsofflight #airfoil #flying

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