Question

how can we measure the km/hr in a helicopter. if it is knots then how​

Answer 1

Answer:

➡The vortex ring state is a dangerous aerodynamic condition that may arise in helicopter flight, when a vortex ring system engulfs the rotor causing severe loss of lift. Vortex ring state is sometimes referred to as settling with power.....

➡ Hope it will helps you....

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