If there's one common trait shared by most helicopters, it's that they're light. And that's because it takes far less energy to lift something that's lighter, so the most efficient designs are often ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This somewhat unique artifact is an ...

The rotorcraft engine business, like the helicopter industry it serves, has been notoriously slow to develop new models and refresh its products over the decades. But now, as new propulsion concepts ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Power rating: 37 kw (50 hp) at 1,200 ...

Austro Engines, a division of Diamond Aircraft, has capped two and a half years of developing its AE80R rotary aircraft engine with successful bench testing. The company announced the tests yesterday, ...