K-MAX Helicopter with Two Crossing Rotors is Lighter and More Efficient

The K-MAX is unlike most helicopters you’ve seen.

Sep 6, 2018
The K-MAX uses a unique double-rotor system in which the two intermeshing rotors cross each other, eliminating the need for a tail rotor. These advantages are less costly to maintain than a regular helicopter and make for a lighter and more efficient helicopter.
Latest in Aerospace
MEAN WELL High Power and Highly Reliable Switching Power Supply
Sponsored
MEAN WELL High Power and Highly Reliable Switching Power Supply
December 1, 2023
In this photo provided by Japan Coast Guard, debris believed to be from a U.S. military Osprey aircraft is seen off the coast of Yakushima Island in Kagoshima Prefecture in Japan Wednesday, Nov. 29, 2023.
Osprey Flights Suspended after Fatal Crash of U.S. Air Force Aircraft
November 30, 2023
Cpl 7799medres
Boeing Awarded $2.3B for Additional U.S. Air Force KC-46A Tankers
November 30, 2023
Ap23313566804716
Details Released in Investigation into Close Call Between Two Planes
November 30, 2023
Related Stories
A917f3e6039ca56cb0edcc0044da7691bd9ee9b9 4000x3000
Aerospace
Anduril Debuts Twin-Jet Autonomous Aircraft for Combatting Aerial Threats
Cpl 7799medres
Aerospace
Boeing Awarded $2.3B for Additional U.S. Air Force KC-46A Tankers
Ap23313566804716
Aerospace
Details Released in Investigation into Close Call Between Two Planes
MEAN WELL High Power and Highly Reliable Switching Power Supply
Sponsored
MEAN WELL High Power and Highly Reliable Switching Power Supply
More in Aerospace
Security Breach Podcast
Sponsored
Security Breach Podcast
A new video series from Manufacturing.net - Security Breach, looks to offer the insight and tools needed to ready your company's defenses. Stay up-to-date on today's vital cybersecurity topics by subscribing here.
December 1, 2023
In this photo provided by Japan Coast Guard, debris believed to be from a U.S. military Osprey aircraft is seen off the coast of Yakushima Island in Kagoshima Prefecture in Japan Wednesday, Nov. 29, 2023.
Aerospace
Osprey Flights Suspended after Fatal Crash of U.S. Air Force Aircraft
The U.S. Osprey crash killed at least one of the eight crew members.
November 30, 2023
Cpl 7799medres
Aerospace
Boeing Awarded $2.3B for Additional U.S. Air Force KC-46A Tankers
The aircraft has a supplier network of about 37,000 American workers.
November 30, 2023
Ap23313566804716
Aerospace
Details Released in Investigation into Close Call Between Two Planes
The planes missed each other by about 100 feet.
November 30, 2023
230513 Strato Ta 0 70
Aerospace
Stratolaunch Awarded Flight Test Contract for Navy's Hypersonic Program
The Leidos-led team intends to deliver an affordable solution for hypersonic payloads.
November 29, 2023
A Virgin Atlantic Boeing 787-9 passenger airplane arrives following a flight from London to Seattle, March 27, 2017, at Seattle-Tacoma International Airport in Seattle. The first commercial airliner to cross the Atlantic on a purely high-fat, low-emissions diet flew Tuesday Nov. 28, 2023 from London to New York in a step toward achieving what supporters dubbed as “jet zero.'
Aerospace
Jetliner Crosses Atlantic Without Fossil Fuels
The high-fat fuel was made up largely of tallow and other waste fats.
November 28, 2023
Firefly Aerospace First Hotfire Wide View
Aerospace
Firefly Aerospace Completes First Miranda Engine Hot Fire Test
The engine will power Northrop Grumman's launch vehicle.
November 28, 2023
Pm 38 643 643791 Gtiwgrt8e2
Aerospace
Airbus Flies a Fully Automated Helicopter with a Tablet
The pilot monitored the system, which is able to detect unforeseen obstacles.
November 28, 2023
Zero Avia Hydrogen Electric Aircraft
Aerospace
ZeroAvia Raises $116M for Hydrogen-Electric Aircraft
This funding raise will help support the government's target to decarbonize aviation by 2050.
November 27, 2023
Gulfstream G600 100 Percent Transatlantic Flight 20231120
Aerospace
Gulfstream Completes 'World’s First' Trans-Atlantic Flight on 100% Sustainable Aviation Fuel
It took nearly seven hours.
November 27, 2023
A downed U.S. Navy aircraft is seen in Kaneohe Bay, Monday, Nov. 20, 2023, in Kaneohe, Hawaii.
Aerospace
Navy Plane Overshoots Runway, Ends Up in Ocean
All nine aboard the aircraft escape unharmed.
November 21, 2023
Electra2
Aerospace
Electra Completes World's First Hybrid-Electric eSTOL Aircraft Flight
The aim is to fill a gap in air travel between 50 and 500 miles.
November 21, 2023
SpaceX's mega rocket Starship launches for a test flight from Starbase in Boca Chica, Texas, Saturday, Nov. 18, 2023.
Aerospace
SpaceX Launches Giant New Rocket, But Explosions End Test Flight
The company lost both the booster and the spacecraft in a pair of explosions minutes into the flight.
November 20, 2023
Joby Aviation California 5
Aerospace
Joby Receives Grant to Support California Facility Expansion
The company said it will add 690 new jobs.
November 17, 2023
Ap23319825870930 (1)
Aerospace
After Many Close Calls, Experts Say the FAA Needs Better Staffing, Technology
The FAA has about 1,000 fewer fully certified controllers than it had 11 years ago.
November 16, 2023