Questions tagged [ground-effect]

The increase in lift experienced by wings in close proximity to the ground.

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What were the L/D ratio of the A-90 Orlyonok at its different operational atlitudes?

The A-90 Orlyonok was designed to operate in ground effect (altitude significantly lower than its wingspan). If I understand correctly, when in ground effect, the L/D ratio is better due to induced ...
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What happens when a “ground effect” plane approaches the sound barrier?

Does the shock wave inhibit or contribute to lift? What is the ideal speed to fly near or on the speed of sound while using the ground effect?