Concepts ranged from nuclear-powered seaplanes and supersonic "Hunter-Killer" aircraft capable of destroying enemy ICBMs to ...

The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design ...

However, there is still a chance that the quadjet is not out for the count. Let's see how it could make a comeback. When ...

The tunnel would stretch 3,400 miles under the Atlantic Ocean, which in some places is thousands of metres deep.

Imaginative design of the Republic XF-84H stands squarely at forefront of single-engine, propeller-driven aircraft from the ...