📁 奥尔恩伊特赫奥皮特埃尔斯
This category contains links to resources related to Ornithopters, an aircraft designed to obtain its main support and propulsion from flapping wings. Sites may include engine-powered and human-powered options.
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This category contains links to resources related to Ornithopters, an aircraft designed to obtain its main support and propulsion from flapping wings. Sites may include engine-powered and human-powered options.