Inflexor Ventures backs Indian healthtech firm with $6.8m
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Indian startup Othisis has successfully test-fired a 3D-printed, fully cryogenic rocket engine, marking a milestone in the industry. Utilizing Selective Laser Melting (SLM) printing technology, Othisis created its first working prototype, a 5 kN fully cryogenic engine, after several unsuccessful attempts. This novel manufacturing process involves depositing microscopic metal powder layers with a laser, resulting in thin, precise layers approximately 0.05 to 0.06 mm thick.
Pictured above is a stationary test-fire of the engine, which boasts a total impulse of 100 kNs and will power their reusable hopper rocket, planned for launch and landing later this year. The engine, still nameless, employs liquid oxygen (LOX) and methane as propellants, chilled in liquid state. Othisis envisions this design as a vertical take-off, vertical landing (VTVL) reusable rocket.
The company's fuel loop cooling system, paired with LOX and methane, offers potential in-situ manufacturing from CO2 and water. Othisis also boasts a stronger burn than the commonly used Kerolox, while releasing minimal residue, improving reusability turnaround. The drawbacks include lower fuel density, challenging storage conditions due to low temperatures, and potential handling hazards.
Despite being in business for only two years, Othisis has already signed MoUs for payload transport into space, a testament to the company's rapid development and promising innovations.
Written by urgent.news from Tom's Hardware's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
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