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Watch: Sierra Space blow up a space station module in slow
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Colorado-based company Sierra Space has once again blown up a space station module prototype.
The company is developing a module for the Orbital Reef "space business park" by Jeff Bezos' Blue Origin. It has deliberately blown up a module prototype and shared footage for the fifth time.
The explosive test took place on August 17, according to a press statement. With this test complete, Sierra Space says it can now start full-scale testing of its module. You can watch the test footage at the bottom of the page.
Orbital Reef is one of several private space stations NASA has funded in a bid to create a small fleet of successors to the International Space Station (ISS).
See Also Related- Sierra Space just blew up a space station module to test Orbital Reef
- NASA Awarded Blue Origin a Contract to Develop a Commercial Space Station
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Sierra Space's explosive module test
Sierra Space tested a new design that included a metal plate as a stand-in for a window. The so-called "burst test" was conducted on a one-third-scale module developed by Delaware-based company ILC Dover.
The tests are meant to push the limits of the modules that will eventually fly in low Earth orbit. The prototypes used for these tests are made of "softgoods" and woven fabrics that become rigid once inflated.
Sierra Space hopes to have the module for the Orbital Reef space station ready by 2030. The company is also developing a space plane called Dream Chaser to ferry cargo and crew to and from the space station, as well as to and from the ISS.
Our team successfully completed a fifth, sub-scale test of the revolutionary LIFE habitat at @NASA_Marshall. This test article included a blanking plate and allows the team to move onto full-scale testing of the LIFE product line development.
— Sierra Space (@SierraSpaceCo) September 20, 2023
Link: https://t.co/Ul9ltYlr8w pic.twitter.com/irZ93x5pu5
"This is a phenomenal achievement," Shawn Buckley, senior director of engineering and product evolution director for Sierra Space Destinations, explained in the company's statement.
The latest burst test, he said, "provides the necessary engineering foundation" to do full-scale tests of the Sierra Space module, called LIFE (Large Integrated Flexible Environment) that will eventually form a part of Orbital Reef.
The "ultimate burst pressure" (UBP) test results showed that the LIFE prototype has a 33 percent margin over the certification standard for a full-scale module. Sierra said this is almost a 20 percent improvement over previous designs in its statement.
The future of orbital space stations
Sierra has conducted two other burst tests on LIFE prototypes, in July and November last year. The company also performed creep tests, in which the modules had to withstand long periods of time at high pressures, in December 2022 and February 2023.
The ISS was launched in 1998 by NASA and Russian space agency Roscosmos. Its launch ushered in an unprecedented era of global scientific collaboration.
Today, though, tensions between the two nations means the future of orbital science will become increasingly fragmented.
In January last year, NASA announced plans to extend the lifespan of the ISS beyond 2030. However, it has also been planning for life without Russian collaboration since before Russia's invasion of Ukraine. Russia, meanwhile, is working on its own space station called Mir, which it aims to launch by around 2025.
In a press statement released in October 2021, Blue Origin said that Orbital Reef will be ideal for "film-making in microgravity" as well as for "conducting cutting-edge research", and it will even include a "space hotel."
The slow-motion footage of the burst test starts at around the five-minute mark in the embedded video below.
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