moonrabbit
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Is this true news? Anyone who has subscription to Aviationweek?
http://aviationweek.com/space/long-march-5-fault-identified-other-launchers-unaffected
"Chinese space engineers have identified the fault that caused the failure of the second flight of their country’s largest space launcher, Long March 5, a problem that appears to be pushing back the mission schedule by about a year. The cause of the failure was simply a manufacturing defect in one of the two YF-77 hydrogen-burning engines of the core first stage, says a source close to the Chinese industry. The fault was quickly pinned down, says that source, who adds there was nothing ..."
The rest of the article is hidden and requires subscription to Aviationweek. Thinking about paying the USD59 subscription just to read the rest of the article. Nevertheless having second thoughts because the news does not seem accurate and other news seems to suggest CNSA is still investigating the failure. So if anyone has read the above article in full...please do shed some light.
---------- Post added 10-05-17 at 02:48 PM ---------- Previous post was 10-04-17 at 05:14 PM ----------
Time line in the progress of Long March 5 (CZ-5)'s flight
3 November 2016
Maiden flight - successful launch of Shijian-17
(https://www.nasaspaceflight.com/2016/11/china-long-march-5-maiden-launch)
7 June 2017
Announcement of the projected third flight on 29 November 2017 to launch the Chang'e 5 moon sample return spacecraft. (https://gbtimes.com/china-confirms-landing-site-change-5-moon-sample-return)
2 July 2017
Second flight - failure
(https://www.nasaspaceflight.com/2017/07/long-march-5-lofts-shijian-18/)
25 September 2017
The 29 November launch was subsequently postponed due to the 2 July 2017 failed launch. This was announce on 25 September 2017 (http://spacenews.com/long-march-5-failure-to-postpone-chinas-lunar-exploration-program/). Nevertheless there was no new dates set for both chang'e 5 and chang'e 4 as indicated in these lines from the article:-
“We plan to adjust the schedule” for that mission, he said, along with Chang’e-4, a lunar lander that will be the first spacecraft to land on the far side of the moon. That mission was scheduled to launch in late 2018, about a year after Chang’e-5.
“By the end of the year we will have some detailed information” about the revised schedule for those missions, Tian said.
http://aviationweek.com/space/long-march-5-fault-identified-other-launchers-unaffected
"Chinese space engineers have identified the fault that caused the failure of the second flight of their country’s largest space launcher, Long March 5, a problem that appears to be pushing back the mission schedule by about a year. The cause of the failure was simply a manufacturing defect in one of the two YF-77 hydrogen-burning engines of the core first stage, says a source close to the Chinese industry. The fault was quickly pinned down, says that source, who adds there was nothing ..."
The rest of the article is hidden and requires subscription to Aviationweek. Thinking about paying the USD59 subscription just to read the rest of the article. Nevertheless having second thoughts because the news does not seem accurate and other news seems to suggest CNSA is still investigating the failure. So if anyone has read the above article in full...please do shed some light.
---------- Post added 10-05-17 at 02:48 PM ---------- Previous post was 10-04-17 at 05:14 PM ----------
Time line in the progress of Long March 5 (CZ-5)'s flight
3 November 2016
Maiden flight - successful launch of Shijian-17
(https://www.nasaspaceflight.com/2016/11/china-long-march-5-maiden-launch)
7 June 2017
Announcement of the projected third flight on 29 November 2017 to launch the Chang'e 5 moon sample return spacecraft. (https://gbtimes.com/china-confirms-landing-site-change-5-moon-sample-return)
2 July 2017
Second flight - failure
(https://www.nasaspaceflight.com/2017/07/long-march-5-lofts-shijian-18/)
25 September 2017
The 29 November launch was subsequently postponed due to the 2 July 2017 failed launch. This was announce on 25 September 2017 (http://spacenews.com/long-march-5-failure-to-postpone-chinas-lunar-exploration-program/). Nevertheless there was no new dates set for both chang'e 5 and chang'e 4 as indicated in these lines from the article:-
“We plan to adjust the schedule” for that mission, he said, along with Chang’e-4, a lunar lander that will be the first spacecraft to land on the far side of the moon. That mission was scheduled to launch in late 2018, about a year after Chang’e-5.
“By the end of the year we will have some detailed information” about the revised schedule for those missions, Tian said.
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