Airbus RACER
| Industry | Aerospace |
|---|---|
| Headquarters | Marignane , France |
| Products | Helicopters, including the RACER experimental compound helicopter |
The Airbus RACER (Rapid and Cost-Effective Rotorcraft) represents an experimental high-speed compound helicopter created by Airbus Helicopters, evolving from the Eurocopter X³. First introduced at the June 2017 Paris air show, its final assembly was initially slated for mid-2020 with a maiden flight anticipated in 2021; however, the inaugural flight took place in 2024. The aircraft is designed to cruise at speeds up to and aims for a 25% reduction in operating costs per distance compared to traditional helicopters.
Development
Presented publicly on 20 June 2017 during the Paris air show, the RACER demonstrator emerged as part of the Clean Sky 2 initiative. Its aerodynamic configuration was validated within the same year. By February 2018, Airbus opted for the Safran Aneto-1X engine instead of the originally planned RTM322, benefiting from a powerplant with a 25% smaller physical footprint delivering equivalent output.
By October 2018, critical subsystem designs were completed, initiating production on long-lead components such as the lateral drive shaft. The manufacturing consortium included GE's Avio Aero responsible for lateral gearbox housings, GE Aviation Systems UK producing the titanium wing cradle, Romanian firms INCAS/Romaero fabricating the hybrid metal-composite main fuselage and firewalls, and Aernnova Spain constructing the primary tail structure.
Flight trials are intended to broaden the operational envelope, confirm performance metrics, and showcase potential roles including emergency medical services, search and rescue, and private transport while refining low-noise operational procedures. Final assembly targeted mid-2020 with first flight projected for late 2021; however, progress was hindered by COVID-19 disruptions, with only half of components completed by spring 2021. Gearbox delivery was postponed until March 2023, although powered systems testing and taxiing trials commenced in December 2022.
The RACER successfully completed its first flight on 25 April 2024 at Marignane. By May, it executed dynamic maneuvers reaching speeds of , consuming less power than conventional helicopters—both engines operating at half torque at . Further speed milestones up to are expected later in 2024. Testing of the “eco-mode,” enabling single-engine cruising for fuel efficiency and extended range, is planned for 2025 alongside mission-specific demonstrations.
On 28 April 2025, after accumulating 25 flight hours since its initial flight in April 2024, RACER achieved level flight at , having previously attained during descent. It is capable of performing turns at 2g load factors at . Passenger demonstration flights are scheduled before year-end 2025 once “eco-mode” becomes operational, focusing on markets such as air transportation, air ambulance services, and search and rescue operations.
Design
Engineered for cruise velocities exceeding , approximately half again as fast as standard helicopters, the RACER targets a fuel consumption reduction of about 15% per distance flown compared to helicopters cruising at , aiming to lower costs by roughly a quarter per distance unit. Thrust is produced by lateral pusher propellers positioned behind protective box wing structures that also generate lift during cruise and shield passengers from propeller wash during ground operations. This configuration permits slowing of the main rotor by up to 15% as forward speed increases, preventing rotor blades from surpassing critical sonic limits that degrade performance. Equipped with two engines—one designed to be shut down and restarted in flight to conserve fuel and extend operational range—the RACER incorporates a lightweight hybrid metallic-composite airframe alongside advanced lightweight high-voltage direct current electrical generation systems.
The main rotor is derived from an Airbus H175 super-medium twin-engine helicopter. During cruise phases, the V-shaped box-wing contributes roughly half of the lift requirement, allowing the main rotor to decelerate and thereby eliminating traditional helicopter issues like retreating blade stall. The main rotor manages about 20-25% of torque transmission while lateral pusher propellers provide the majority of propulsion thrust. This compound propulsion setup facilitates optimized takeoff and landing profiles with an estimated noise footprint reduction of around 30% relative to conventional helicopters.