Here’s What You Need to Remember: While rotor blades are, quite naturally, likely to generate some kind of radar signal to enemy systems, depending upon range and the fidelity of a given air defense ...

The global heavy-lift drone sector recently marked a critical advance with the successful inaugural flight of the T1400 tandem unmanned helicopter. Developed and manufactured by Harbin United ...

Here’s What You Need To Remember: The new aircraft will employ several measures designed to make it quieter, including, most notably, a counter-rotating rotor that muffles the sound of the first. The ...

It's not every day you see a helicopter that looks like this. But that unconventional rotor placement will help drive the S-97's exceptional speed. Jon Skillings is an editorial director at CNET, ...