It’s now the highest undergraduate-built liquid-fueled rocket ever flown, climbing 9 miles high at speeds reaching Mach 1.5.
facility in California’s Mojave Desert, clearing the launch tower at 9:42 a.m. local time on April 16, 2023. Deneb, with a total burn time of 26.1 seconds, reached an apogee of 47,732 feet while attaining a top speed of 1,150 miles per hour . The rocket was named after Deneb, the brightest star in the Cygnus constellation.
“I fell to my knees, sobbing, from witnessing such an incredible feat,” Dalton Songer, team leader and aerospace engineering student, said in the statement. “Everyone was celebrating in a giant group hug. That moment was special. Something that only happens when a dedicated group of individuals come together and make something incredible happen against all odds.”higher than Mount Everest, which stands 29,032 feet tall , and higher than commercial airliners, which fly no higher than 42,000 feet .
Previous student-built rockets have flown higher than Deneb. Much higher. The Traveler IV rocket built by students from the University of Southern California, soaring above the 62-mile-high Kármán Line in April 2019. But Traveler IV was a solid fuel rocket, which is far simpler, cheaper, and less dangerous to build and operate than liquid rockets, among many other differences.
Deneb is the successor to a rocket called Altair, which got delayed by the covid-19 pandemic and then blew up when the team tried to launch it in October 2022. Zoe Brand, a team member specializing in propulsion, said the Cygnus Suborbitals learned much from that experience. “Altair was very heavy,” she said. “So, we deliberately focused on making our rocket lighter by integrating the propellant tanks into the structural rigidity of the rocket.
“We needed to prove to the world that Embry-Riddle was not only capable of building liquid bipropellant flight vehicles but the very best at building them,” said Songer.It blows my mind to know that undergrads are capable of designing and launching complex liquid fuel rockets, and I eagerly await the next great achievement from similarly motivated and ambitious students.
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