Ships are faster than aeroplanes.
Answers
You’re forgetting that air and water are two very different fluids. Air moves out of the way more easily, it doesn’t put up the same amount of drag as water. Try it yourself! Drag your hand through a bathtub full of water and you’ll feel you’ll have to push a lot of water out of your way, specially if you want to move it fast; if you do the same with air (just wave you hand up and down quickly), you’ll barely feel a breeze through your fingers.
Air is a lot less dense, so it takes a lot less power to propel any kind of vehicle to move it through air than through water.
Answer:
Lift is, how much you can carry and drag, how much power you need to carry it. Everything can be evaluated by its lift to drag; a horse, a ship, an aircraft, etc.
Lift is, how much you can carry and drag, how much power you need to carry it. Everything can be evaluated by its lift to drag; a horse, a ship, an aircraft, etc.Today, the best mean of transport, with the best ratio, is a B-747 flying at FL 350 (35,000 ft above sea level). But there is something even better, the WIG (Wing In Ground) craft! It is a kind of seaplane with short wings, small engine, flying only a few feet above the sea, using the “ground effect” or air cushion between it and the sea, to glide at little expense.
Lift is, how much you can carry and drag, how much power you need to carry it. Everything can be evaluated by its lift to drag; a horse, a ship, an aircraft, etc.Today, the best mean of transport, with the best ratio, is a B-747 flying at FL 350 (35,000 ft above sea level). But there is something even better, the WIG (Wing In Ground) craft! It is a kind of seaplane with short wings, small engine, flying only a few feet above the sea, using the “ground effect” or air cushion between it and the sea, to glide at little expense.Perhaps the most famous WIG was the Orlyonok, the Soviet military aircraft that was to carry troops and vehicles over the Caspian Sea at 210 knots!
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