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News: Hermeus Quarterhorse Starts Major Testing On F100 Engine

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  1. Major Testing Commences On Quarterhorse F100 Engine
    The first major engine testing milestone has been crossed for the Hermeus Quarterhorse MK2 aircraft. The company revealed yesterday that it had begun testing its proprietary precooler technology with the F100 engine, made by Pratt & Whitney, an RTX business. Testing took place at Edwards Air Force Base at sea-level static conditions. The data collected from these tests inform how the F100 handles the Hermeus precooler under a variety of loads and will lead into future testing with heated air, simulating high-Mach flight conditions.
  2. Hermeus’ turbine-based combined cycle (TBCC) engine, named Chimera, is a full-range, air-breathing hypersonic engine combining a turbine with a ramjet. At low speeds Chimera operates in turbine mode with the F100 engine, while at higher speeds the engine transitions to ramjet mode. The precooler helps bridge the gap between these two modes of operations by increasing the performance of the turbine. "The F100 is one of aviation’s most reliable engines, having clocked more than 30 million flight hours," said Josh Goodman, Senior Director of the F100 Program at Pratt & Whitney. "The F100 is taking on new life as Hermeus extracts even more performance out of our storied engine."
  3. "Airbreathing engines are critical to Hermeus’ goal of operationalizing hypersonic aircraft," said Hermeus Co-Founder and Chief Technologist, Glenn Case. "By making a full-range, air-breathing hypersonic engine, Hermeus is setting the stage for aircraft that are capable of taking off from a regular runway and accelerating up to hypersonic speeds. No rockets or motherships required." Quarterhorse Mk 2 will fly with this precooler-F100 engine combination and be capable of hitting speeds greater than Mach 2.5. The entire Chimera engine, which includes a ramjet, will power Hermeus’ following aircraft, Quarterhorse Mk 3. This aircraft will reach speeds close to Mach 4 and pave the way for future Hermeus aircraft that will fly at hypersonic speeds. The different Quarterhorse test aircraft will determine at each stage the progress towards hypersonic flight.

    For more information:

    Hermeus
    1954 Airport Rd
    Atlanta, Georgia 30341
    www.hermeus.com

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