srm-announcement-flight

Ursa Major and RTX’s Raytheon Conduct Successful Flight Test

Ursa Major OSC

Ursa Major and US Navy Make $25 Million Joint Investment in New Solid Rocket Motor Prototype

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Solutions for Defense

Propulsion for today's critical national security needs and tomorrow's emerging threats

Solid rocket motors that are additively manufactured for production speed and flexibility
Suitable for tactical missiles, missile defense, hypersonic

Ursa Major's first Solid Rocket Motor Engine

Solid Rocket Motor Engine

2-22" Diameter

Tailorable Thrust Profile

Composite Solid

Suitable for tactical, missile defense, hypersonics

Solid Rocket Motors

Not Available

As a storable evolution of the Hadley engine, Draper  provides a wide throttle range, multiple restarts, and mission flexibility to better address the evolving capabilities of our adversaries. 

Ursa Major Technologies 3d rendering of Draper Engine for Hypersonic and Defense. 

ursamajor draper web

Hydrogen Peroxide / Kerosene

4,000 lbf

Closed Catalyst Cycle

STORABLE AND FLEXIBLE FOR A RAPID RESPONSE 

Draper

Leveraging the manufacturing and design methodologies of Hadley, Ripley provides enhanced lox/kerosine propulsion capacity for an equally diverse set of vehicles. Ripley delivers industry-leading performance and power at a price point set to change the space launch industry.

Ripley Engine

Lox / Kerosene

Oxygen-rich

50,000 lbf

Redefining small to medium class launch

Ripley 

Ox-rich Staged Combustion

The U.S. supply of solid rocket motors is constrained, while allied nations are asking for more. To meet demand, the industrial base needs to expand with innovative manufacturing methods that re-establish the U.S.’s leadership in space, hypersonic, and defense.

Propulsion is fundamental to our National Security

Liquid rocket engines with more than 10% higher fuel economy and 30% higher impulse density for increased range/payload.

National security launch

Storable, liquid rocket engines with the maneuverability and flexibility needed to match increasingly erratic hypersonic threats.

hypersonics mission

Hypersonics

Mixed product manufacturing approach to families of solid rocket motors for flexible, adaptable, and surge-capable production.

tactical systems

Tactical systems

Missions We Serve

Leveraging additive manufacturing to mass produce hypersonics defense systems and tactical munitions, Ursa Major puts hardware in the hands of the warfighter—faster.

One 3D printer can build hundreds of motors for small, portable missile systems, while maintaining modularity.

One 3D printer can build `1,000 – 2,000 motors for small, portable missile systems, while maintaining modularity.

production at scale

Modular Production

Additive manufacturing methods reduce manufacturing cycles and unlock higher performance. We complete in days what used to take months to produce.

speed and flexibility

Speed and Flexibility

Our modular approach promises to increase flexibility at decreased cost

Motors for portable tactical missiles at half the cost of existing programs of record.

lower costs

Lower Costs

Quicker path to production with uniform, flexible production cells that can quickly scale with demand.

Solutions for Defense

The Problem

Propulsion is fundamental to our National Security

The Approach

Hardware in the hands of those that need it most

Missions We Serve

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