Two-Stage Light Gas Gun Systems & Services

Green Launch provides advanced light gas gun systems and related testing services for high-velocity research, payload launch, and atmospheric missions. Built on years of propulsion development and field testing, these solutions support aerospace, defense, and scientific programs seeking repeatable performance, lower launch costs, and practical access to extreme-speed test environments.

Two-stage light gas gun testing system

Our Two-Stage Light Gas Gun Services

Specialized launch and test services for hypersonic research, payload delivery, and atmospheric mission support.

Hypersonic Testing

Support hypersonic vehicle and propulsion research with high-velocity launch capability demonstrated up to Mach 9, enabling controlled test conditions for advanced aerospace development programs.

Horizontal Test Firing

Conduct repeatable horizontal firing campaigns with varied gas pressures, payload weights, and velocity targets to validate propulsion performance and collect actionable engineering data.

Sub-Orbital Delivery

Launch payloads to the stratosphere and beyond for research, atmospheric missions, and technology demonstrations using proven light gas propulsion methods.

Atmospheric Sampling

Enable mesospheric and upper-atmosphere sampling missions for scientific organizations needing affordable access to hard-to-reach research environments and data collection zones.

Orbital Delivery

Advance low-cost satellite and supply delivery concepts with hydrogen-based launch technology designed for rapid turnaround, lower emissions, and scalable orbital logistics.

Launch System Validation

Evaluate launch parameters, pressure profiles, and vehicle performance through structured test campaigns that support system refinement and mission readiness.

Engineers preparing a light gas gun test

Our High-Velocity Testing Process

Define Mission Objectives

We begin by reviewing your payload, target velocity, research goals, and operating constraints to align the light gas gun configuration with the intended test or launch outcome.

Engineer Test Parameters

Prepare System And Payload

Execute Controlled Launch

Review Results And Next Steps

The Green Launch Difference

Why Choose Green Launch?

Organizations choose Green Launch for specialized propulsion expertise and practical high-velocity testing capability.

Specialized Expertise

Led by experienced physicists and aerospace specialists focused on high-velocity propulsion system development.

Proven Testing

Successful horizontal and vertical launch campaigns demonstrate repeatable field-tested system performance.

Lower-Cost Access

Designed to reduce launch costs compared with traditional rocket-based testing and delivery methods.

Cleaner Propulsion

Hydrogen and oxygen propellant supports lower-emission launch operations with water vapor byproduct.

Meet The Green Launch Team

Experienced leaders driving advanced propulsion innovation.

Dr. John W. Hunter headshot

Dr. John W. Hunter

Chief Technical Officer

Dr. John W. Hunter brings deep expertise in high-velocity propulsion systems and advanced aerospace research to Green Launch. A physicist by training, he is known for leading the SHARP project at Lawrence Livermore National Laboratory, giving him rare hands-on experience with extreme-speed launch concepts and experimental propulsion platforms. At Green Launch, he helps guide the technical direction behind hypersonic testing, scramjet-related applications, and light-gas launch development. His background supports the company's focus on turning ambitious launch theory into practical, testable systems for defense, aerospace, and scientific customers. Dr. Hunter's leadership is central to Green Launch's ability to pursue Mach 9-class performance with a disciplined, data-driven engineering approach.

Eric Robinson headshot

Eric Robinson

Strategic Outreach

Eric Robinson supports Green Launch's strategic outreach with a background in systems science and entrepreneurship. His experience in fluid delivery systems for aerospace applications aligns closely with the company's light-gas propulsion model and broader mission development efforts. He helps connect Green Launch's technical capabilities with the needs of defense organizations, research institutions, and commercial aerospace stakeholders seeking practical alternatives to conventional launch methods. By translating complex engineering value into mission-focused opportunities, he plays an important role in partnership development and customer engagement. His work helps ensure Green Launch's hypersonic and sub-orbital services are positioned clearly for organizations that need speed, efficiency, and credible technical collaboration.

Don Whitney headshot

Don Whitney

Chairman of the Board

Don Whitney brings operational perspective to Green Launch through his experience as an Air Force pilot and environmental consultant. His background supports the company's planning around mission execution, safety considerations, and practical deployment strategy for advanced launch systems. At Green Launch, he contributes to board-level leadership and helps shape how the company balances ambitious aerospace innovation with real-world operational discipline. His aviation and environmental experience also complements Green Launch's emphasis on cleaner propulsion and more sustainable launch alternatives. For customers evaluating hypersonic testing or sub-orbital delivery partners, his presence reinforces the company's ability to think beyond engineering alone and address broader mission planning requirements.

Frequently Asked Questions

What is a light gas gun?

A light gas gun is a high-velocity launch system that uses compressed or combusted light gases, often hydrogen, to accelerate a projectile to extreme speeds. It is commonly used for aerospace research, impact testing, hypersonic studies, and specialized payload missions where conventional launch methods may be too costly or less practical for controlled testing.

What is the maximum velocity of a light gas gun?

What industries use two-stage light gas gun systems?

Can a light gas gun support hypersonic testing?

What types of payloads can be launched?

How is testing performance measured during a firing campaign?

Is light gas propulsion more sustainable than traditional rockets?

How do I know if this service fits my research or launch program?

Still Evaluating Your Mission Needs?

Speak with our team about testing goals and launch requirements.

Trusted Innovation

Awards and Recognition

Founded in 2017 trust badge

Founded In 2017

Years of propulsion development experience.

Field-tested launches trust badge

Field-Tested Launches

Successful horizontal and vertical demonstrations.

Sustainable propulsion trust badge

Sustainable Propulsion

Hydrogen-based lower-emission launch approach.

Start the Conversation on Your Launch Program

Share your payload goals, testing requirements, or research objectives, and our team will help determine the right light gas gun solution.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 619-933-6678. You can also send us a quick email at eric.robinson@greenlaunch.space.