IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Early helicopter engineers soon ...

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A convertiplane developed by Russian Helicopters has made its maiden flight, unmanned. The prospective multi-purpose tilt-rotor UAV, with vertical take-off and landing, high-speed level flight and ...

Both military and civilian aircraft users have long demanded a helicopter-airplane hybrid: a “convertiplane” that can take off vertically like a helicopter and fly as fast and as economically as an ...

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