Aircraft

Jaunt ROSA Aircraft Configuration

Jaunt Air Mobility LLC ("Jaunt"), is a leader in the emerging business sector known as Urban Air Mobility (UAM). Its advanced propulsion design features Jaunt's patented Reduced rotor Operating Speed Aircraft (ROSA) technology which operates at a "whisper quiet" noise level that is not only lower than fixed-wing aircraft and today's helicopters but is acceptable to residential communities. Jaunt's air vehicle has no combustible liquids which eliminates fire hazards in the air or on the ground. As an all-electric vehicle, it produces zero emissions.

High Energy ROSA System
with Enhance Autorotation Capability

Dual Redundant
Electric Systems

Cruise @ 175 MPH
Single Pilot, Four Passengers

All-Weather
Capable Systems

Tilting Pylon Control for
indiscriminate Passenger Seating
with LevelFlyTM technology

Crashworthy
Structural Design

Full Fly-By-Wire Flight Control
System with Advanced Flight
Controls

Dual Propeller
Systems for
enhanced reliability

The Jaunt aircraft offers a unique and efficient system for hover flight that delivers a safe transition from hover to cruise. The rotor is unloaded in flight, making for a very quiet configuration and eliminating the tail rotor, which cuts out the second-largest noise generator. Our design offers the highest level of safety even in a total power loss and the best ride quality; jet-smooth with LevelFly™ technology. To date, demonstrators have flown 100+ hours with over 1000 takeoffs and landings.

Easy Path to Certification

Jaunt's technology and design are protected by an impressive number of patents. Jaunt's patented features place it as a world leader in all the UAM critical requirements and it is certifiable by current FAA requirements without the need for relaxed safety restrictions.

  • Jaunt's ROSATM is classified as a Gyrodyne, which by definition, is a Rotorcraft
  • Existing Certification and Operational rules exists for this aircraft type
  • Transport Category certification is the ultimate in safety provided by the FAA and EASA, the same as commercial airliners
  • Category A is a key enabler & differentiators as other eVTOLs cannot meet this level of safety

ROSATM Development & Certification

Jaunt's vehicle design is a major advancement in the electrification of flight and incorporates Vertical Take-off and Landing (VTOL) and a fully electronic propulsion system (eVTOL).

Jaunt is the world's first and only compound aircraft, a true combination of a helicopter and fixed-wing aircraft that has successfully flown and established unprecedented aerospace engineering and aviation records. Jaunt's features include being the safest UAM aircraft with the ability to land safely in the event of a complete power failure from any altitude at any speed; low noise operation, with Jaunt's WhisperFlyTM technology, highest ride quality utilizing Jaunt's LevelFlyTM technology, and projected best price-performance value based on its operating efficiency and design.

Carter Aviation Technology

History of ROSA™ technology has its roots in the evolution of Slow Rotor Compound (SRC) developed by Jay Carter.

Jay Carter had an idea for an aircraft that began by looking at the initial performance calculations of a rotorcraft by adding wings like an airplane. Jay realized the enormous performance improvements that could be achieved by slowing the rotor in flight.

To actually slow the rotor in operation and keep it stable, Jay identified the issues that had to be solved. To test his solutions, he fabricated a 6' foot diameter rotor, mounted it on an 8' foot boom in front of a pickup truck, and then drove the whole setup down the highway at up to 80 mph. With this scaled rotor, Jay demonstrated an advance ratio of 8 (pickup truck traveling eight times faster than the tip speed of the rotor). The rotor was so stable that he could pass semi-trucks on the opposite side of a 2-lane road. With this early success, the initial testing let to the development of the first prototype of a slow rotor aircraft.

Carter's first prototype was the CarterCopter Technology Demonstrator (CCDT). While flying this aircraft, Carter learned many valuable lessons about the technologies and methods needed for flight at high speed with a slowed rotor. The CCTD became the first aircraft to reach μ-1, where the rotor was slowed down so slow that the retreating blade was entirely in reverse flow.

Personal Air Vehicle (PAV) Demonstrator

With the lessons learned from the original CCTD, Carter developed the Personal Air Vehicle or PAV. The 4 Place PAV routinely and smoothly exceeded µ-1 in flight, up to µ 1.16. In over 100 hours of flight testing, the aircraft reached a top speed of 186 ktas (214 mph or 344 kph) and a max altitude of 18,000' (VFR limited). The best Lift to Drag (L/D) was just under 11.

In 2019, Jaunt Air Mobility acquired all rights to Carter Aviation Slow Rotor Compound for the development of the Jaunt Journey Urban Air Mobility Vehicle.

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