A Trans-Atmospheric Turbojet Engine

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: DAAH0102CR071
Agency Tracking Number: 01SB2-0163
Amount: $97,763.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Solicitation Year: N/A
Award Year: 2001
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
350 South Center Street, Suite 500, Reno, NV, 89501
DUNS: 168549140
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Bevin McKinney
 Chief Technical Officer
 (253) 851-0218
Business Contact
 Bevin McKinney
Title: Chief Technical Officer
Phone: (253) 851-0218
Email: bevin@hmx.com
Research Institution
A novel turbojet based propulsion system is described that is capable of continuous operation from takeoff to orbital insertion. This engine concept utilizes a conventional turbojet as its core with a dual function inlet that can accommodate bothatmospheric air and cryogenic liquid oxidizer. By varying the percentage of liquid oxidizer injected, the engine can operate either in turbojet mode, rocket mode or in a combination mode. At all times the delivered performance is equal to or better thanan equivalent rocket. The system has the potential for high performance while maintaining the low lifecycle costs associated with conventional turbojet engines. The investigation includes determination of appropriate operating scenarios for the systemthrough engine cycle analysis. Hardware interactions are evaluated to determine what modifications may be necessary to allow utilization of existing turbojets for component testing. Lab-scale testing is conducted to demonstrate concept operation as wellas investigate injector performance. A plan is prepared to investigate full scale concept testing using a representative turbojet engine during Phase 2. Commercial applications for this propulsion technology exist not only in orbital space transportationsystems, but high-speed point to point air transport systems as well. The long life and low lifecycle costs of the core turbojet engine make it well suited for high flight rate transportation systems requiring high thrust to weight, high speed engineswith reasonable propellant economy. Potential applications include orbital transportation, high speed, long range trans-atmospheric package delivery aircraft, as well as trans-atmospheric military strike or reconnaissance aircraft.

* Information listed above is at the time of submission. *

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