Jetoptera is getting exciting results in the wind tunnel! In support of our USAF sponsored Phase II Small Business Technology Transfer (STTR) program, Jetoptera worked with AeroTEC and Scaled Composites to design and build an engineering test article model specifically for wind tunnel testing. Jetoptera sub-contracted the University of Washington and the Kirsten Wind Tunnel team to carry out these tests. Our CEO, Andrei Evulet stated: “We completed our wind tunnel test campaign under our fifth US Air Force contract. The results support our proprietary solution of a High-Speed Vertical Take-Off and Landing (HSVTOL) vehicle using the “3-in-1” Adaptive Fluidic Propulsive System (FPS™). In collaboration with Pratt & Whitney GATORWORKS®, the vehicle is a single-engine design based on a Pratt & Whitney turboshaft engine driving a high-performance compressor that can perform Vertical Take Off and Landing (VTOL) and is predicted to reach twice the speed of tilt rotor aircraft in forward flight. The current STTR Phase II program validates the predicted performance of this HSVTOL aircraft concept. Separately, Jetoptera remains one of a handful of companies involved with the HSVTOL Challenge Program launched 2 years ago by AFWERX.”
Our Adaptive FPS™-powered aircraft wind tunnel model is a 30% scale of the single engine concept developed under a 2022 Direct to Phase II Small Business Innovation Research (SBIR) Program, on which we teamed with our subcontractor, Scaled Composites. We predicted the 5000 lbs Vertical Take Off and Landing aircraft powered by a single turbocompressor driven by an existing 2500 HP-class turboshaft will be capable of speeds of up to Mach 0.8. The Adaptive FPS™ system and the single engine aircraft are scalable to larger applications. This design is just one example of the novel capabilities FPS™ brings to advanced aviation propulsion.
We built the 30% HSVTOL wind model with help from AeroTEC. Additive manufacturing produced 50% of the model components, including the compressed air propulsion system – conduits, valves and thrusters. We tested the design at various wind and compressed-air conditions with three configurations involving stowable FPS™ thrusters of various sizes, distributed optimally over the wings and fuselage. The three main configurations are VTOL, transition, and high-speed forward flight (representing the “3-in-1” FPS™ deployment, respectively.) Wind tunnel data collected included forces, moments, pressures, flow-field surveys, and flow visualization. FPS™ and Upper Surface Blown-Wing were deployed in the powered-lift configuration for VTOL feeding compressed air to our proprietary thrusters (for VTOL and transition to horizontal flight). A High-Speed Nozzle (HSN) configuration was deployed for the high-speed forward flight part of the mission. The tests covered regimes up to 200 mph wind at Sea Level with a measured output of the HSN jet speeds of up to 700+ mph. Data will be used to assist with building a 6 Degrees of Freedom model and further explore the flight envelope and the performance of the multiple HSVTOL concepts. Jetoptera will also apply the data to develop other concepts ranging from Wing in Ground Effect and ISR to large HSVTOL, General Aviation, Urban Air Mobility, Cargo VTOL aircraft and FPS™-powered Parafoils.
Jetoptera’s vision is to create a world where aerial mobility is commonplace for both cargo and people. We have developed a unique propulsion system integrated with a novel airframe. This allows us to create lighter, more efficient, and less complex aircraft. Our technology enables vertical and short takeoff and landing (V/STOL), high speeds, sizable payloads and range, and maneuverability.
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