Dragon 2 – udany test Super Draco BY KRZYSZTOF KANAWKA ON 15 LISTOPADA 2019
(...) Kilka godzin po teście Elon Musk opublikował zdjęcie kapsuły Dragon 2 z odpalonymi silniczkami Super Draco. Z dostępnych informacji wynika, że test z 13 listopada przebiegł prawidłowo. NASA wraz ze SpaceX analizują aktualnie dane, jednak wszystko wskazuje na to, że amerykańska agencja formalnie zaakceptuje ten test.
Jest to ważny etap w przygotowaniach kapsuły Dragon 2 do lotów załogowych. Niebawem można się spodziewać testu systemu ratunkowego w locie kapsuły Dragon 2.
Ponadto, firma SpaceX poinformowała, że udało się jej przeprowadzić już 13 testów spadochronowych dla Dragona 2. Te testy to także ważny etap w przygotowaniu do lotów załogowych.
(PFA, NSF)
https://kosmonauta.net/2019/11/dragon-2-udany-test-super-draco/SpaceX tests Crew Dragon abort thrustersby Jeff Foust — November 14, 2019
A SpaceX Crew Dragon spacecraft fires its SuperDraco launch abort thrusters during a static-fire test at Cape Canaveral, Fla., Nov. 13. Credit: NASA(...) NASA, in a separate statement, said that the eight SuperDraco engines fired for about nine seconds. Immediately before those engines fired, two of 16 smaller Draco thrusters fired twice, for one second each time. After the SuperDraco engines shut down, the thrusters’ protective flaps closed and two Draco thrusters fired to simulate the procedure by which the capsule would reorient itself for reentry.
The static-fire test was a prelude to an in-flight abort test, where the Dragon capsule will escape from a Falcon 9 rocket about 90 seconds after liftoff from the Kennedy Space Center in Florida. That test will demonstrate the ability of the launch escape system to operate during conditions of maximum dynamic pressure during ascent. The company did a pad abort test of the system in 2015. (...)
https://spacenews.com/spacex-tests-crew-dragon-abort-thrusters/SpaceX Test Fires Crew Dragon's Abort Engines, Paves Way to In-Flight Abort TestBy Mike Killian, on November 13th, 2019
(...) SpaceX just hit another big milestone today on the road to launching astronauts for NASA starting next year, with a successful test fire campaign of their Crew Dragon’s maneuvering thrusters and abort engines at Cape Canaveral Air Force Station.
The test comes nearly 7 months after an anomaly blew up a Crew Dragon during the original test firing of its abort engines back on April 20, which was traced to a leaky valve which allowed liquid oxidizer – nitrogen tetroxide (NTO) – to enter high-pressure helium tubes during ground processing. (...)
https://www.americaspace.com/2019/11/13/spacex-test-fires-crew-dragons-abort-engines-paves-way-to-in-flight-abort-test/Artykuły astronautycznehttps://www.nasaspaceflight.com/2019/11/spacex-static-fire-crew-dragons-abort-engines/https://spaceflightnow.com/2019/11/13/spacex-fires-up-crew-dragon-thrusters-in-key-test-after-april-explosion/