Rocket Link Technology has successfully conducted a medium-scale ground combustion test for its innovative solid propellant 'LTP', which can reduce manufacturing time to 1/10th of traditional methods. The test confirmed compatibility with existing fuels and high manufacturability, marking a significant step toward low-cost space transportation.
Rocket Link Technology Conducts Medium-Scale Ground Combustion Test of Innovative Solid Fuel 'LTP'
Rocket Link Technology (President: Yasuhiro Morita) announced on May 26, 2026, the successful execution of a medium-scale ground combustion test using its innovative solid propellant 'LTP' (Low melting temperature Thermoplastic Propellant).
The company aims to reduce costs and increase the frequency of space transportation through the development of LTP suitable for large rockets like the Epsilon class. Following a test using sounding rockets in February 2026, this latest test confirmed that LTP can reduce manufacturing time by approximately 90% compared to existing solid fuels for practical-sized sounding rockets. It also demonstrated mechanical strength and combustion characteristics compatible with current solid fuels.
In this test, an improved version of LTP was applied to a rocket motor with a diameter of 250mm. By obtaining internal ballistic characteristics, the company verified the possibility of substituting existing fuels. Furthermore, the test confirmed that intermittent filling of solid fuel is possible, enabling a shift to simpler, small-equipment manufacturing processes and contributing to cost reductions.
Looking ahead, the company will focus on enhancing LTP properties and designing and developing automated casting systems for rocket motors. This test was conducted as part of a service contract awarded by the Acquisition, Technology and Logistics Agency (ATLA)'s Defense Innovation Science and Technology Institute.
FACT BOX
- Source: PR TIMES
- Category: News
FAQ
What is LTP (Low Melting Point Thermoplastic Propellant)?
Unlike conventional thermosetting resins, LTP is a solid fuel that can be molded through reversible natural cooling. It allows for re-melting and re-filling upon reheating, and leftover propellant can be reused, simplifying and shortening the manufacturing process.
What were the confirmed results of this test?
The fuel was applied to a 250mm diameter rocket motor, and it was confirmed to have mechanical strength and combustion characteristics compatible with current solid fuels. Additionally, the high manufacturability that can shorten the production period to about 1/10 of the current time was also demonstrated.
What are Rocket Link Technology's future goals?
Through the development of low-cost and user-friendly rockets, we aim to reduce costs and increase the frequency of space transportation. In the future, we will focus on improving the characteristics of LTP and establishing an automatic injection system for rocket motors.
Under what framework was this test conducted?
The test was conducted under a service contract with the Acquisition, Technology & Logistics Agency's Defense Innovation and Science and Technology Institute.
What kind of company is Rocket Link Technology?
Rocket Link Technology is a startup established in April 2023, based in Sagamihara, Kanagawa Prefecture. The company aims to achieve low-cost and high-frequency space transportation and engages in the design, development, manufacturing, and sales of rockets and spacecraft.