GTL was formed in early 2004 from a merger of PacAstro and Aspect Engineering. Aspect Engineering was founded in the late eighties and was focused on developing advance composite structures and technologies for aerospace applications. A major achievement of this division of GTL was the development of the Common Bulkhead Integral Structure for Orbital Sciences for the AFRL Upper Stage Flight Experiment (USFE).
GTL Capabilities Summary
The GTL California division (Aspect Engineering) has offices in Murrieta and San Diego, California. These offices have computer workstations with 2-D CAD and 3-D parametric solid modeling software, spreadsheets and proprietary software in the design and evaluation of composite pressure vessels and tankage. NASA-generated software LEW-10352 is used in the generation of dome contours for filament wound pressure vessels. The Murrieta office has in-house filament winding capability with a CMC model ULD computer-controlled filament winding machine capable of producing parts up to 24 inches in diameter, Fibergraphix software for pattern generation, a programmable oven for laminate curing, and 0ºF freezer for storage of pre-preg materials and pre-mixed adhesives. The filament winding machine is capable of producing parts of over 36 inches in diameter with minor modifications.
The PacAstro division of GTL was originally founded in the late eighties and was focused on developing the PA-2 Small Launch Vehicle and supporting rocket technologies. PacAstro achievements include the development of the PA-X Suborbital technology demonstration rocket, the 15,000 lbf vac thrust PA-E15k rocket engine, and the 30,000 lbf vac thrust PA-E30k rocket engine. PacAstro was spun off from its parent company, AeroAstro Inc., in 2003 in preparation for the merger with Aspect Engineering, a leading composite structures and systems company.
The GTL PacAstro office is located next to the campus of the University of Tennessee Space Institute (UTSI) and the Air Force Arnold Engineering and Development Center (AEDC). This office is equipped with several computer workstations with rocket design tools, including the breakthrough UCDS tools, design and analysis worksheets, SolidWorks 3D solid modeling and combustion chemistry analysis code. Additionally, GTL has set up a joint propulsion research facility with UTSI, with several laboratory propulsion test systems, including a propellant chemistry test system and a hybrid rocket test rig.
Lastly, the facilities and practices used by GTL meet the environmental laws and regulations of federal, state (California and Tennessee), and local Governments for, but not limited to, the following groupings: airborne emissions, waterborne effluents, external radiation levels, outdoor noise, solid and bulk waste disposal practices, and handling and storage of toxic and hazardous materials.