The X-plane demonstrator builds on Bell’s experience with tiltrotor aircraft, but with a new stop/fold rotor feature that ...

This video imagines the perfect commercial aircraft—one that balances passenger comfort, efficiency, and profitability for airlines. With seating for 200 to 250 passengers, the design favors a ...

American defense contractor Bell was selected by DARPA to move forward with the build of its aircraft for the Speed and ...

At just 54 grams — nearly half the weight of the next lightest glider — the design showcased exceptional efficiency and ...

To manufacture thousands of airplanes for its World War I allies, the United States would fell acres of spruce.