{"id":427759,"date":"2024-05-29T23:10:36","date_gmt":"2024-05-30T03:10:36","guid":{"rendered":"https:\/\/spacenews.com\/?p=427759"},"modified":"2024-05-29T23:10:37","modified_gmt":"2024-05-30T03:10:37","slug":"redesigned-vega-c-motor-passes-static-fire-test","status":"publish","type":"post","link":"https:\/\/spacenews.com\/redesigned-vega-c-motor-passes-static-fire-test\/","title":{"rendered":"Redesigned Vega C motor passes static-fire test"},"content":{"rendered":"

WASHINGTON \u2014 The European Space Agency says a successful test firing of a redesigned Vega C solid rocket motor is a major step towards returning the rocket to flight by the end of the year.<\/p>

Avio, the prime contractor for the Vega C, conducted a static-fire test of the redesigned Zefiro-40 motor May 28 at a company test facility in Italy. The motor, used as the second stage of the Vega C, fired for 94 seconds, as expected.<\/p>

The Zefiro-40 was implicated in the failure of the second Vega C launch in December 2022, which an investigation blamed on faulty carbon-carbon material used in the motor\u2019s nozzle. Avio found a new supplier for that material, but the nozzle failed in a static-fire test in June 2023, leading to a redesign of the nozzle itself<\/a>.<\/p>

\u201cInitial post-test review indicates that the new nozzle assembly performed as expected throughout the scheduled 94 seconds burning time of the test, simulating a nominal in-flight performance,\u201d Avio said in a statement.<\/p>

In a May 28 interview, ESA Director General Josef Aschbacher called the successful test a key step in returning the rocket to flight. \u201cThe thrust curve that has been measured is nominal and follows the expected, theoretical line, meaning that the motor is functioning well,\u201d he said.<\/p>

A second test firing is planned for October to confirm the performance of the motor, but Ashcbacher called this test \u201cthe most important milestone\u201d in returning the vehicle to flight. \u201cThe one today confirms that the redesign of the nozzle with the new carbon-carbon inserts is good.\u201d<\/p>

Both ESA and Avio said they are working to return the Vega C to flight by the end of the year, two years after the failure that grounded the rocket. A final flight of the original version of the Vega, which does not use the Zefiro-40, is planned for early September carrying the Sentinel-2C Earth observation satellite for Europe\u2019s Copernicus program.<\/p>

The payload for the return to flight of the Vega C is the Sentinel-1C radar imaging satellite, although Simonetta Cheli, director of ESA\u2019s Earth observation program, said in a May 28 interview that this payload assignment had yet to be confirmed.<\/p>

Aschbacher said in the interview that preparations were continuing for the first flight of the Ariane 6 in the first two weeks of July. A specific target date for the first launch attempt will be announced at the ILA Berlin air show in early June.<\/p>

He said the Ariane 6 team was working through minor issues raised in a recently completed qualification review. \u201cThere is nothing that is a showstopper,\u201d he said. \u201cIt\u2019s still a lot of work, but nothing that worries me at this point in time that would make it impossible to launch within this two-week window.\u201d<\/p>","protected":false},"excerpt":{"rendered":"

The European Space Agency says a successful test firing of a redesigned Vega C solid rocket motor is a major step towards returning the rocket to flight by the end of the year.<\/p>\n","protected":false},"author":10940,"featured_media":427761,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"newspack_ads_suppress_ads":false,"newspack_popups_has_disabled_popups":false,"newspack_sponsor_sponsorship_scope":"","newspack_sponsor_native_byline_display":"inherit","newspack_sponsor_native_category_display":"inherit","newspack_sponsor_underwriter_style":"inherit","newspack_sponsor_underwriter_placement":"inherit","_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_jetpack_memberships_contains_paid_content":false,"mc4wp_mailchimp_campaign":[],"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"footnotes":""},"categories":[4150,4161],"tags":[1244,1662,789,3451,1939],"newspack_spnsrs_tax":[],"coauthors":[544],"class_list":["post-427759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-launch-archive","category-news-archive","tag-ariane-6","tag-avio","tag-esa","tag-josef-aschbacher","tag-vega-c","entry"],"yoast_head":"\nRedesigned Vega C motor passes static-fire test - 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