Defense News on MSN3d
Sikorsky proves out ‘rotor blown wing’ drone
Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.
Found And Explained on MSN15d
Did Russia build the best attack helicopter ever?
The Ka-52 "Alligator" was designed as Russia’s answer to the Apache, boasting coaxial rotors, advanced targeting systems, and ...
Space.com14d
Chinese scientists developing Mars drone that can roll and fly across Red Planet (video)
Seen as showing promising potential in future Mars science work, the UAV can take off at any time, traverse obstacles, and ...
Yahoo14d
Chinese scientists developing Mars drone that can roll and fly across Red Planet (video)
"In the air, it relies on a pair of contra-rotating coaxial rotors, controlled by a steering engine to adjust the forward direction, to control torque and force, ultimately achieving stable flight ...
SlashGear25d
Yes, There Is A Military Helicopter With Ejection Seats - Here's How It Works
That's thanks to its coaxial contra-rotating main rotors powered by two Klimov VK-2500 turboshaft engines. Those main rotors also negate the need for a tail rotor, which is especially helpful in ...
The Aviationist17d
Let’s See What the S-97 Raider and the X2 Technology Are Capable Of
Instead of relying on tail rotor for yaw control, the Raider utilizes the torque differential between its coaxial main rotors to achieve the same effect. In conventional helicopters, tail rotor ...
The Aviationist16d
Sikorsky Envisions X2 Technology as the Helicopter Equivalent of the F-35
The counter-rotating coaxial rotors balance lift across both sides, eliminating the problem at the root. Also, traditional helicopters need a tail rotor to counteract the torque of the main rotor ...
Third Gen is the Charm For Updated Ari Signal Peak 3.0 Modern XC Machine
We were lucky to get our hands on an Ari Signal Peak Team pre-launch to get some impressions and race this season.