Hermeus Flies Quarterhorse Mk 1 at Edwards Air Force Base
Quarterhorse Mk 1 flight redefines U.S. aircraft development pace and unlocks next steps toward hypersonic aircraft.
Quarterhorse Mk 1 Completes Ground Testing at Edwards Air Force Base - Readies For Flight
This segment of the flight test campaign was completed in just 21 days and satisfies technical requirements for flight approval.
Hermeus Unveils First Aircraft, Quarterhorse Mk 1
Designed, built, and integrated in just seven months, Hermeus’ Quarterhorse Mk 1 is the company’s second fully-integrated vehicle in the past year.
Hermeus Completes Testing of Quarterhorse Mk 0 Vehicle
This non-flying prototype acted as a ‘dynamic iron bird’ for the company by validating all major aircraft subsystems in a real-world environment.
Hermeus Signs Hypersonic Aircraft Contract with Defense Innovation Unit for Hypersonic Aircraft Risk Reduction
Hermeus has been awarded a contract by the Defense Innovation Unit (DIU) to mature hypersonic aircraft subsystem and mission system technology.
Quarterhorse Mk 0 Begins Testing
Serving as a comprehensive testbed for Quarterhorse, Mk 0 will validate various systems including: electrical, hydraulic, pneumatic, avionics, steering, and propulsion.
Hermeus Receives First Pratt & Whitney F100 Engine
Hermeus has accepted its first F100 engine from Pratt & Whitney. Set to be integrated into the enhanced Chimera II turbine-based combined cycle (TBCC) propulsion system, this powerful engine component marks a critical milestone in Hermeus' development of Darkhorse.
Quarterhorse Wind Tunnel Testing
We took a 10% scaled model of Quarterhorse up to Calspan in Buffalo, NY and spent a week subjecting it to Mach 0.3 - 1.3 airflow. These subsonic and transonic regimes are critical to understand in preparation for our first flights of Quarterhorse.
Hermeus Selects Pratt & Whitney F100 Engine as Key Component of Hypersonic Propulsion System
Hermeus has selected the Pratt & Whitney F100 turbofan to integrate into its larger hypersonic engine. Securing an off-the-shelf turbine engine will save Hermeus billions of dollars in research and development costs and years of schedule.
Enter the Flight Deck
The Flight Deck has been designed from the ground up to support off-grid stand-alone operations in austere environments.
Hermeus Raises $100 Million Series B Led by Sam Altman
Hermeus is excited to announce a $100 million Series B funding round led by Sam Altman. New investors Founder's Fund and In-Q-Tel also participated in the round alongside existing investors Khosla Ventures, Canaan Partners, Bling Capital, and Revolution’s Rise of the Rest.
Hermeus Fully-Funded to Flight with $60 Million U.S. Air Force Partnership
Hermeus, the aerospace company developing Mach 5 aircraft, announced today the signing of a $60 million U.S. Air Force partnership for flight testing its first aircraft, Quarterhorse.