@coldblood_cb0: Justin Gaethje 🇺🇸#whitehouse #ufcfightnight #USA #international

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Monday 15 June 2026 15:37:53 GMT
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It sounds completely backwards… but an airliner’s tail usually pushes DOWN, not up. If the tail produced upward lift like the wings, the aircraft would constantly pitch nose-up and become unstable. Instead, the horizontal stabiliser normally generates downward force. Why? Because the aircraft’s centre of gravity sits ahead of the main wings’ centre of lift. Left alone, that would make the nose want to pitch downward. The tail pushes down to balance those forces, keeping the aircraft stable and allowing it to fly hands-off in trimmed flight. Think of it like a seesaw. The wings lift the aircraft. The tail gently pushes down. The result is a perfectly balanced aeroplane. During different phases of flight, that downward force changes. ✈️ Take-off: The elevator reduces the tail’s downward force, allowing the nose to rise. 🛫 Cruise: The tail provides just enough downward force to keep the aircraft balanced and efficient. 🛬 Landing: Trim changes again to maintain the correct approach attitude as speed and flap settings change. Here’s the surprising part… The wings actually have to generate slightly more lift than the aircraft weighs, because they’re lifting both the aircraft and the downward force created by the tail. Without the tail pushing down… The aircraft would be far less stable and much harder to control. Were you surprised that one of the reasons an airliner stays in the air is because part of it is actually pushing down? #AircraftDesign #Aerodynamics #Aviation #AvGeek #Engineering
It sounds completely backwards… but an airliner’s tail usually pushes DOWN, not up. If the tail produced upward lift like the wings, the aircraft would constantly pitch nose-up and become unstable. Instead, the horizontal stabiliser normally generates downward force. Why? Because the aircraft’s centre of gravity sits ahead of the main wings’ centre of lift. Left alone, that would make the nose want to pitch downward. The tail pushes down to balance those forces, keeping the aircraft stable and allowing it to fly hands-off in trimmed flight. Think of it like a seesaw. The wings lift the aircraft. The tail gently pushes down. The result is a perfectly balanced aeroplane. During different phases of flight, that downward force changes. ✈️ Take-off: The elevator reduces the tail’s downward force, allowing the nose to rise. 🛫 Cruise: The tail provides just enough downward force to keep the aircraft balanced and efficient. 🛬 Landing: Trim changes again to maintain the correct approach attitude as speed and flap settings change. Here’s the surprising part… The wings actually have to generate slightly more lift than the aircraft weighs, because they’re lifting both the aircraft and the downward force created by the tail. Without the tail pushing down… The aircraft would be far less stable and much harder to control. Were you surprised that one of the reasons an airliner stays in the air is because part of it is actually pushing down? #AircraftDesign #Aerodynamics #Aviation #AvGeek #Engineering

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