What is the biggest RC helicopter in the world?

Answer 1

The Sikorsky X2 is an experimental compound helicopter with coaxial rotors developed by the American aircraft manufacturer Sikorsky Aircraft. It is considered to be the fastest helicopter ever produced.

Sikorsky has incorporated decades of company research and development into the X2 helicopter on a $50 million budget. The S-69/XH-59A Advancing Blade Concept Demonstrator showed high speed was possible with a coaxial helicopter and auxiliary propulsion but it vibrated too much; the Cypher UAV expanded company knowledge of the unique aspects of flight control laws in a fly by wire aircraft with coaxial rotors; and the RAH-66 Comanche, which developed expertise in composite rotors and advanced transmission design. Other features include slowed rigid rotors 2 feet apart, active force counter-vibration inspired by the Black Hawk, and using most of the power for the pusher propeller rather than the rotor. The fly-by-wire system is provided by Honeywell, the rotor by Eagle Aviation Technologies, anti-vibration by Moog Inc, and propeller by Aero Composites.

On 4 May 2009, Sikorsky unveiled a mock-up of a Light Tactical Helicopter derivative of the X2.

On 14 July 2011, the X2 completed its final flight and was officially retired after accumulating 22 hours over 23 test flights. With the end of development, the X2 will be followed by its first application, the S-97 Raider high-speed scout and attack helicopter.

Answer 2

The largest RC helicopter in the world is the CH-47 Chinook twin turbine, measuring over 9 feet in length and with a rotor diameter of around 6.6 feet. It is a detailed and scaled-down replica of the real-life CH-47 Chinook helicopter.

Answer 3

Until recently, the Westland Lynx held the world speed record at 216knots. The new record holder is the Sikorsky X2.

Answer 4

The biggest production helicopter is Russian made MI-26.The Mil V-12 is the largest helicopter ever manufactured.
mil v-12

Answer 5

the average helicopter is 12.5 metres long and 3.0 metres high

Answer 6

the largest helicopter is MI 26 (Russian).

Answer 7

he Mil Mi-24 GunShip helicopter is the largest rc helicopter in the world.