its blades need to be enlarged — sometimes to a ludicrous degree. The Hughes XH-17 was an experimental helicopter intended to test a tip-jet-powered rotor system. It wasn't custom-built from the ...

I had to admit to a little bit of stage fright.” When the blade-tip jet engines on the helicopter fired up, flames shot from the ends of the rotor blades. “The whoosh-whoosh of the whirring ...

As the helicopter speeds up, more of the LHTEC T800 engine power goes to the propulsor, and the main rotors can be slowed so the advancing blades’ tips don ... it used a small jet engine ...

When Blade blew onto the scene Memorial Day of 2014, well-to-do New Yorkers Instagrammed their inaugural helicopter rides from Manhattan to the Hamptons. They hopped to the beach on seats costing ...

Obviously there are a great many differences between attack helicopters and fighter jets, but one of the distinct advantages jet pilots have ... the iconic rotating blades have prevented a similar ...