Ground Segment & RF Links
· Mathew Lewallen
Flight Dynamics & Control System Design
· Mathew Lewallen
Systems Engineering & Requirement Management
· Mathew Lewallen
Avionics & Embedded Systems
· Mathew Lewallen
Material & Additive Manufacturing
· Mathew Lewallen
Propulsion & Thermal Analysis
· Mathew Lewallen
Structures & FEA
· Mathew Lewallen
Aerodynamics & CFD
· Mathew Lewallen
Aviation
· Mathew Lewallen
Data
Data
· Mathew Lewallen
Airport
Data surrounding airports via .csv, json, .dat, .zip, and other file types from across the internet.
· Mathew Lewallen
ISS Microgravity Research: Energy Needs & Blood Pressure Regulation
This paper evaluates two ISS microgravity experiments—astronaut energy requirements for long-duration missions and an in-flight blood pressure test to predict fainting risk on Earth return—highlighting their implications for future exploration and terrestrial health.
· Mathew Lewallen
Issue #2: Takeoff Roll
Unveiling free aerospace resources, books, and tutorials, plus Space Mission Design tools, and a jobs board. On-demand courses, real-time news feed, and an AI assistant for regulation-based cited answers. Share feedback via survey or book a call to claim a year of top-tier access!
· Mathew Lewallen
A Proposal for a New System for Air Traffic to Accommodate Spacecraft Launches
This study uses qualitative and quantitative analysis to propose revamping air traffic control for spacecraft launches. It identifies three improvements, integrate launch data, streamline separation, and enhance automation, to minimize restrictions while ensuring safety via real-time collaboration.
· Mathew Lewallen
Modernizing Outer Space Law: Private Actors & Moon Agreement Reform
Five core U.S. space treaties set foundational rules but now lag behind private-sector ventures and evolving missions. Key fixes: explicitly cover nongovernmental actors across all treaties and renegotiate the Moon Agreement to secure broader international buy-in.
· Mathew Lewallen
Europa Clipper and Jupiter Icy Moons Explorer
Europa Clipper (NASA) and JUICE (ESA) will study Jupiter’s icy moons—Europa, Ganymede, Callisto—to assess habitability. JUICE targets three moons with detailed phased orbits; Europa Clipper focuses on Europa via 45+ flybys and ice‐penetrating radar.
· Mathew Lewallen
Virgin Galactic: SpaceShipOne & Two – History & Future
Virgin Galactic pioneers space tourism, evolving from the X Prize era with SpaceShipOne to the ferry-launched SpaceShipTwo. Despite early tragedies, it leads reusable suborbital flight and Readies LauncherOne satellite missions.
· Mathew Lewallen
Commercial Satellites
Commercial satellite tech is advancing fast, with benefits like global internet (Starlink) and high-res imagery (IKONOS, Landsat). Challenges include debris, overcrowding, and astronomy interference. This paper reviews IKONOS, Starlink, and Landsat to gauge future directions.
· Mathew Lewallen
Find a Job
Aerospace jobs, aviation jobs, defense jobs, space jobs. Find employment opportunities with top aerospace companies, government agencies (NASA, DoD, Air Force, Space Force), and specialized job boards.
· Mathew Lewallen
Jobs
· Mathew Lewallen
Mission to Mars
This paper explores the challenges of a Mars mission by 2050, focusing on medical and technological hurdles. It addresses health risks like radiation and low gravity, crew needs, and the importance of self-sufficiency. More research is needed.
· Mathew Lewallen
A Brief Statistical Look at Apollo
A statistical analysis of Apollo 11–17 missions shows increased efficiency over time, measured by mission duration, lunar orbits, time on the Moon, and Moon rocks returned. Later missions (15–17) consistently outperformed earlier ones, confirming the research hypothesis.
· Mathew Lewallen
Boeing 777X
Boeing’s 777X revolutionizes commercial aviation with foldable wingtips that extend span in flight for greater lift and fuel efficiency, then retract on the ground for airport access. Paired with advanced composites, GE9X engines, and upgraded cabins, it sets a new industry standard.
· Mathew Lewallen
An Air Molecules Journey Through the GE-90 Engine
GE’s GE90-115B is a high-bypass turbofan with a 128″ fan and 9:1 bypass ratio, generating up to 115,000 lbf of thrust while cutting fuel burn, emissions and noise. Drawing on EASA certification, Stanford research and propulsion literature, it details its design and air-molecule flow.
· Mathew Lewallen
Enhanced AT-CTI Implementation
This case study examines UND’s implementation of the FAA’s Enhanced AT-CTI, detailing phased integration of high-fidelity ATC simulators, adult learner adaptation, operational efficiencies, and strategic recommendations to sustain immersive training in collegiate aviation.
· Mathew Lewallen
Free Resources
· Mathew Lewallen
Tools
· Mathew Lewallen
Space Mission Design
· Mathew Lewallen
Thermodynamics
· Mathew Lewallen
Space Missions
· Mathew Lewallen