I’m watching videos of rescue helicopters and noticed that some have their blades form a cone when flying low in bodies of water. This doesn’t seem to happen often on land so why in water?
In: Physics
Because rotor helicopters need something to push up off of. In the sky, the rotor keeps it afloat because the engine power is higher. When hovering above water the engine power is lower, and hence the helicopter has a harder time pushing itself off of water because it’s not as dense as the ground
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