There will almost certainly be some sort of controversy with the first commercial crew flights, given the overall stakes with humans on board and the more purely commercial nature of the contracts. Moreover, both SpaceX and Boeing have had accidents just before, during, or after hot-fire tests of the thrusters to be used during a launch abort emergency."Somebody is going to be unhappy," Hale said of the Flight Readiness Reviews for the first crewed flights of the new vehicles. "I guarantee it. If it’s not one thing it will be another. There will be a contentious meeting and somebody is going to have to say, 'Well, I heard the story and I think we ought to go ahead.'""It’s potentially going to be ugly, and they wouldn’t have done that with Bill," Hale said. "If Bill were there and said 'I heard you, and I think the risk is acceptable,' the NASA workforce would have gone along. Now, they’ve lost that."
https://www.militarynews.ru/story.asp?rid=1&nid=516097&lang=RUGoogle translationQuoteThe first Soyuz with a fully Russian crew will arrive on the ISS next fall, Pavel Vlasov, head of the Cosmonaut Training Center, told Interfax."The crew of the spacecraft launching to the ISS in the fall of 2020 may consist entirely of Russian cosmonauts. This is due to the fact that at present there is no agreement between Roscosmos and NASA on whether there will be an American astronaut in this crew," Vlasov said on the sidelines aerospace salon MAKS.According to Vlasov, at the moment there is a possibility that an agreement on the formation of an international crew will nevertheless be reached."American colleagues, due to delays in their ships, can prepare an appeal to Roscosmos with proposals for the formation of an international crew. Then plans to send only Russian cosmonauts can be replayed," said the head of the CPC.
The first Soyuz with a fully Russian crew will arrive on the ISS next fall, Pavel Vlasov, head of the Cosmonaut Training Center, told Interfax."The crew of the spacecraft launching to the ISS in the fall of 2020 may consist entirely of Russian cosmonauts. This is due to the fact that at present there is no agreement between Roscosmos and NASA on whether there will be an American astronaut in this crew," Vlasov said on the sidelines aerospace salon MAKS.According to Vlasov, at the moment there is a possibility that an agreement on the formation of an international crew will nevertheless be reached."American colleagues, due to delays in their ships, can prepare an appeal to Roscosmos with proposals for the formation of an international crew. Then plans to send only Russian cosmonauts can be replayed," said the head of the CPC.
They seemed to be saying the modeling problems affected everyone. That doesn't necessarily mean they'll stop flying until the entire industry gets better at parachute modeling. We'll see if they say anything about it at the next NAC meeting.
Quote from: gongora on 09/07/2019 01:55 pmThey seemed to be saying the modeling problems affected everyone. That doesn't necessarily mean they'll stop flying until the entire industry gets better at parachute modeling. We'll see if they say anything about it at the next NAC meeting.yeah, it effects Orion, too.
Quote from: Robotbeat on 09/07/2019 01:58 pmQuote from: gongora on 09/07/2019 01:55 pmThey seemed to be saying the modeling problems affected everyone. That doesn't necessarily mean they'll stop flying until the entire industry gets better at parachute modeling. We'll see if they say anything about it at the next NAC meeting.yeah, it effects Orion, too.Maybe... just maybe, the standard practice of ASAP to "just add more parachutes!" is actually reducing safety instead of increasing it. One example of this being that the 4th parachute that was added was getting tangled/moving in unpredictable ways, if I recall... just like a three-legged stool always being stable, the behavior of three parachutes is easier to model. Four is another ballgame.
Boeing, NASA and the U.S. Army conducted exercises, known as mission dress rehearsals, for Boeing’s upcoming CST-100 Starliner missions to the International Space Station. This series of rehearsals at the White Sands Missile Range in New Mexico focused on the landing and recovery aspect of Starliner’s mission, and was one of three of Boeing’s formal dress rehearsals that took place over the last couple of weeks as part of NASA’s Commercial Crew Program.
ASAP doesn't set the number of parachutes. The spacecraft manufacturer and the Commercial Crew office set the number of parachutes.
Quote from: gongora on 09/08/2019 07:52 pmASAP doesn't set the number of parachutes. The spacecraft manufacturer and the Commercial Crew office set the number of parachutes.It is my understanding that increases the number of parachutes increases the safety rating. NASA does not require 4 parachutes, but they did design the criteria for safety rating vs LOM. Boeing and SpaceX are struggling to get every point they can to get to 140. If they go to 3 parachutes they will have to find some other item to improve to gain back the lost point. So yes, the 4 parachute system is driven by NASA.
NASA and SpaceX conducted a formal verification of the company’s emergency escape, or egress, system at Kennedy Space Center’s Launch Complex 39A in Florida on Sept. 18, 2019. NASA astronauts Bob Behnken and Shannon Walker participated in the exercise to verify the crew can safely and swiftly evacuate from the launch pad in the unlikely event of an emergency before liftoff of SpaceX’s first crewed flight test, called Demo-2.
My statement on @SpaceX's announcement tomorrow:“I am looking forward to the SpaceX announcement tomorrow. In the meantime, Commercial Crew is years behind schedule. NASA expects to see the same level of enthusiasm focused on the investments of the American taxpayer. It’s time to deliver.”
https://twitter.com/jimbridenstine/status/1177711106300747777Quote My statement on @SpaceX's announcement tomorrow:“I am looking forward to the SpaceX announcement tomorrow. In the meantime, Commercial Crew is years behind schedule. NASA expects to see the same level of enthusiasm focused on the investments of the American taxpayer. It’s time to deliver.”
