Dream Chaser - NASA коммерческий контракт с SpaceDev

[silentpom]

сколько ДЧ весит?

[triage]

Для истории, вдруг что-то еще напишут
Оригинал статьи  из войны лоббистов .

Anticipated increases in launch costs could pose major challenges for other top-priority NASA programs. Those include unmanned missions planned by a third contractor, Sierra Nevada Corp., chosen by the agency to transport cargo to the space station by launching its winged vehicle on Atlas V rockets. Lockheed Martin, which is developing a deep-space exploration capsule for astronauts called Orion, also plans to use an Atlas V rocket for the maiden test flight scheduled for 2018.

Concerns about Atlas V availability have prompted Sierra Nevada to engage in talks about possibly turning to Russian or European rockets as replacements, according to two industry officials.

это когда и на чем российском писали?

[Apollo13]

silentpom пишет:
сколько ДЧ весит?

Судя по тому, что нужен Атлас-552 минимум 19 т.

[Искандер]

Всегда говорил что Птичка слегка недоразмерена.
Тот-же пилотируемый вариант сильно бы выйграл если бы мог возить дополнительно 1-1.5т грузов.
В чисто грузовой версии без "огурца в заднице" при той же ПН Птичка была бы легче.

Хотя существующий вариант позволяет заняться вывозом мусора и вообще выглядит более универсальным.
Например, пилотируемый вариант ведь тоже можно отправлять с дополнительным грузовым модулем.

[Pirat5]

Apollo13 пишет:
Вообще Атлас для Старлайнера надо было бы назвать 022    

Вначале ДЧ хотели на Атласе без ГО. Потом вроде решили под ГО, и крылья на ДЧ складные. Поэтому Атлас 5хх серии. А какие сейчас планы по носителю?

[Apollo13]

Вроде ничего не менялось. Атлас-552. Кстати сам он должен весить около 14 т + 5 т груза, так что с меньшим грузом наверно можно использовать меньше тту.

[Salo]

Jeff Foust ‏@jeff_foust  3 ч.3 часа назад
Olson: Dream Chaser slated initially to fly on Atlas, but can later fly on Vulcan, H-3, or Ariane 6. #NSRC2016
 
  Jeff Foust ‏@jeff_foust  4 ч.4 часа назад
Olson: first Dream Chaser flight to ISS under its CRS-2 cargo contract expected between October 2019 and April 2020. #NSRC2016

[triage]

непонятно что это

16 апреля 2016
(источник)
()
Dava Newman, NASA's deputy administrator, fourth from the left, and William Gerstenmaier, associate administrator for NASA's Human Exploration and Operations Mission Directorate, far right, toured Sierra Nevada Corporation's Dream Chaser facility in Louisville, Colorado. SNC's engineering test article of the Dream Chaser spacecraft is being assembled for a free-flight test later this year at NASA's Armstrong Flight Research Center in Edwards, California. The free-flight test is part of the company's developmental agreement with NASA's Commercial Crew Program. Photo credit: Sierra Nevada Corporation

[triage]

или это очень древняя фотография, т.к. в том же фотоальбоме
2 октября 2015
 https://www.flickr.com/photos/nasakennedy/25098631752/in/album-72157647244171004/


но носы внизу по разному прилегают, и на фотографиях новее в светлом материале перед кабиной есть отверстия, а на старой их нету.

[Salo]

Jeff Foust ‏@jeff_foust  15 мин.15 минут назад  
Sirangelo: we're willing to partner with those who can do things better than we can in-house. About 60% Dream Chaser outsourced #NewSpace16

Jeff Foust ‏@jeff_foust  16 мин.16 минут назад  
Sirangelo: still expecting to do first cargo mission to ISS in 2nd half 2019; contract guarantees 6 missions, but expect more #NewSpace16
 
  Jeff Foust ‏@jeff_foust  17 мин.17 минут назад  
Sirangelo: Dream Chaser engineering test article to be shipped to NASA Armstrong on August for a series of flight tests. #NewSpace16
 
  Jeff Foust ‏@jeff_foust  23 мин.23 минуты назад
Sirangelo: losing comm'l crew was devastating; had to lay many people off. But the people who were left weren't ready to quit. #NewSpace16
 
  Jeff Foust ‏@jeff_foust  31 мин.31 минуту назад  
Mark Sirangelo of @SierraNevCorp giving some advice, including be kind to others in this small industry; the wheel goes around #NewSpace16

[triage]

http://www.geekwire.com/2016/sierra-nevada-corp-dream-chaser/

Sierra Nevada Corp. moves ahead on NASA milestones for Dream Chaser spaceship
BY ALAN BOYLE on June 22, 2016
...
Sirangelo said the Dream Chaser project had to be put on hold.
"It was a devastating loss for us," Sirangelo said. "Lots of people went away. We had to lay off people. It was very hard. ... The 90 people who were left on this program came to me and said, 'We're not ready to hang it up. We want to try again.'"

Winning the cargo development contract opened the way to resume work on the Dream Chaser. Sirangelo said his "Dream Team" is now making good progress on the retooled prototype, which is designed for atmospheric testing rather than spaceflight. Sirangelo compared the craft to the shuttle Enterprise, which NASA built in the 1970s to test the aerodynamics for the space-ready shuttles that would follow.

"Our version of the shuttle Enterprise is about to be finished for its next phase of flight tests," Sirangelo said. "Somewhere in the August time frame, it's going to be shipped off to California, to the Armstrong [Flight Research] Center and to Edwards to be in Phase 2 of flight testing, which is going to be really fun and exciting."
Sirangelo said lessons learned from the atmospheric flight tests will be applied to the development of the orbital test vehicle, which is now being outfitted in Colorado. That test vehicle, in turn, will blaze the trail for the spacecraft that will carry cargo for NASA under the CRS-2 contract.

"We are looking to be launching on time, which is about three years from now, in the second half of 2019," Sirangelo said. "That contract will go well into the next decade, so we need lots of help. We're going to be hiring lots of people. If any of you guys want to come out and work on the next space shuttle, I think it's a pretty good time to do that."
.....

[triage]

http://www.sncorp.com/AboutUs/NewsDetails/3298
RELEASE: Sierra Nevada Corporation Completes First Dream Chaser®Cargo 
Service Milestone under NASA CRS2 Contract
SPARKS, Nev. (July 11, 2016) – Sierra Nevada Corporation (SNC) is pleased to announce the successful completion of ISS Integration Certification Milestone 1 for the Dream Chaser Cargo System under NASA's Commercial Resupply Services 2 (CRS2) contract. Under this milestone, NASA approved SNC's complete program implementation plan for the design, development, test and evaluation of the Dream Chaser Cargo System. This includes plans and processes for meeting technical performance and CRS2 integration schedules associated with execution of docking and berthing missions to the International Space Station (ISS). Details included supplier plans, integration schedules, organizational structure and status of program risks and risk mitigations. Under the CRS2 contract, Dream Chaser will provide a minimum of six cargo delivery services to and from the ISS between 2019 and 2024.
More Than a Milestone
"The accelerated completion of the first milestone under the CRS2 contract award marks significant progress for SNC and the Dream Chaser program", said Mark N. Sirangelo, corporate vice president of SNC's Space Systems business area. "We are thankful for the support we've received from NASA. The prompt completion of this essential program milestone is a big step in bringing us closer to returning a winged, runway-landing vehicle to space. This momentum will carry us with confidence in developing a reliable and affordable solution for ISS cargo delivery, return and disposal."
In addition to SNC internal program integration, the milestone review covers the strategic plan for the involvement of external entities including international agreements and plans for obtaining necessary licenses from U.S. agencies, including the Federal Communications Commission and Federal Aviation Administration.
Flight Testing Continues
In parallel with the continued execution of CRS2 milestones, SNC plans to resume the next phase of flight testing for Dream Chaser later this year. This vehicle was originally developed and tested in partnership with NASA's Commercial Crew Program through Space Act Agreements (SAA). It was previously flown at NASA's Armstrong Flight Research Center and is being prepared for its second flight test through the SAA. It has been significantly upgraded in multiple areas to allow for testing to advance and verify critical systems which will also be used in the next generation vehicle currently under development for the forthcoming NASA ISS cargo resupply missions.
....

[Павел73]

Искандер пишет:
Всегда говорил что Птичка слегка недоразмерена.
Тот-же пилотируемый вариант сильно бы выйграл если бы мог возить дополнительно 1-1.5т грузов.
В чисто грузовой версии без "огурца в заднице" при той же ПН Птичка была бы легче.

Хотя существующий вариант позволяет заняться вывозом мусора и вообще выглядит более универсальным.
Например, пилотируемый вариант ведь тоже можно отправлять с дополнительным грузовым модулем.

Из всех разрабатываемых сейчас орбитальных КК мне больше всех нравится именно этот.

[Павел73]

И кстати, не поздно начать разработку подобного корабля, без каких-либо обвинений в плагиате ("опять - как у американцев!" ). Крылатый многоразовый КК - имхо лучшее решение для околоземных орбитальных полётов, так как из всех существующих и разрабатываемых КК обеспечивает минимальные перегрузки при спуске и приземлении, максимально возможный манёвр по курсу и наибольшую точность приземления. А следовательно предъявляет минимальные требования к состоянию здоровья участников полёта и уровню их подготовки (за исключением пилота, конечно). Поэтому делает космос более доступным.

Насчёт аварийных случаев - вопрос времени и набранной статистики полётов. Обходятся же пассажиры современных авиалайнеров без парашютов и катапультируемых кресел    . Даже если и случится авария на каком-нибудь 243-м полёте - в таком редком случае САС-овские 10 g можно и потерпеть.

[Sam Grey]

Павел73 пишет:
Насчёт аварийных случаев - вопрос времени и набранной статистики полётов. Обходятся же пассажиры современных авиалайнеров без парашютов и катапультируемых кресел    . Даже если и случится авария на каком-нибудь 243-м полёте - в таком редком случае САС-овские 10 g можно и потерпеть.

Было бы любопытно посмотреть на Дримчейсер (особенно если он под обтекателем) в случае аварии на участке прохождения максимального аэродимамического сопротивления..

[Валерий Жилинский]

Павел73 пишет:

Искандер пишет:
Всегда говорил что Птичка слегка недоразмерена.
Тот-же пилотируемый вариант сильно бы выйграл если бы мог возить дополнительно 1-1.5т грузов.
В чисто грузовой версии без "огурца в заднице" при той же ПН Птичка была бы легче.

Хотя существующий вариант позволяет заняться вывозом мусора и вообще выглядит более универсальным.
Например, пилотируемый вариант ведь тоже можно отправлять с дополнительным грузовым модулем.

Из всех разрабатываемых сейчас орбитальных КК мне больше всех нравится именно этот.

Для КК, решающих ограниченную задачу доставки людей на НОО, ИМХО, крылатый корабль будет самым адекватным вариантом. Но Дракон разрабатывался нак прототип универального КА, Старлайнер должен был иметь минимальный техологический риск а Орион был изначально предназначен для полётов в дальний космос.
   
Поэтому выбор капсульной конструкции для корабля в тот момент был вполне оправдан. Хотя сейчас, с опытом создания и эксплуатации Х-37, Боинг мог бы создать крылатый корабль быстрее и дешевле, но в момент объявления конкурса на доставку экипажа на МКС этого никто не знал.

[triage]

так плавно и на 2017 год перенесется

https://twitter.com/jeff_foust/status/757578335505362944
25 июл. 2016 г.
Gerst: extended Space Act Agreement with Sierra Nevada Corp. through mid-2017 to support Dream Chaser landing test around Dec 2016.

[triage]

 http://www.sncorp.com/AboutUs/NewsDetails/3426

Sierra Nevada Corporation Passes Second Milestone – 

Dream Chaser® Spacecraft on Track to Supply Cargo to ISS

SPARKS, Nev. (July 25, 2016) – Sierra Nevada Corporation (SNC) has passed the second Integration Certification Milestone under NASA's Commercial Resupply Services 2 (CRS-2) contract. NASA assessed and fully approved SNC's detailed approach for getting the Dream Chaser Cargo System to the International Space Station (ISS). SNC's approved strategy demonstrates a thorough understanding of design requirements and available resources on both a system and subsystem level.  Dream Chaser will provide a minimum of six cargo delivery missions to and from the ISS between 2019 and 2024.  The first milestone was passed several weeks ago and outlined technical, logistic and schedule procedures for the program.

"Successful completion of the second Integration Certification Milestone within six weeks of the first major milestone demonstrates that the Dream Chaser team is moving at full-speed to meet NASA's cargo delivery needs," said Steve Lindsey, senior director of programs for SNC's Space Systems business area and Dream Chaser co-program manager. "We very much appreciate NASA's help and support through this milestone and those to follow. Our collective SNC/NASA team is confident in our design and strategy for the future and look forward to completing the work necessary to bring our unique cargo services solution to the ISS as rapidly as possible."

Milestone 2 Key Components
Completion of Milestone 2 means NASA and SNC collectively agree on the certification criteria used to confirm Dream Chaser designs meet CRS-2 mission requirements.  These qualification and verification plans will be utilized during future integrated design and test milestones to validate Dream Chaser Cargo System capabilities.

Dream Chaser Flight Tests Will Support CRS2 Progress
The current flight vehicle has been upgraded with several cargo system design components to support multiple test objectives - verifying the spacecraft's performance during final approach and landing, directly supporting the CRS-2 Certification Plan approved during Milestone 2.  This will ultimately accelerate development of the first orbital mission and increase confidence through flight-tested systems. The vehicle was originally developed and tested in partnership with NASA's Commercial Crew Program, which included a full-test campaign at NASA's Armstrong Flight Research Center leading up to the October 2013 approach and landing test.
.....

[Salo]

http://www.sncorp.com/AboutUs/NewsDetails/3458

Dream Chaser® Spacecraft to Begin Phase Two Flight Testing

SPARKS, Nev. (July 28, 2016) – Sierra Nevada Corporation's (SNC) Dream Chaser full-scale, flight test vehicle is ready for transportation to NASA's Armstrong Flight Research Center (AFRC) in California where Phase Two flight tests will be conducted in coordination with Edwards Air Force Base (AFB). Dream Chaser program upgrades and initial hardware testing were completed at the Louisville, Colorado spacecraft assembly facility, and within the next several weeks the same Dream Chaser vehicle that conducted Phase One flight testing will arrive at NASA's AFRC. Upon arrival, SNC will begin a series of pre-flight ground evaluations to verify and validate the vehicle's system and subsystem designs. After successful completion of all ground testing, Dream Chaser will begin its Phase Two free-flight testing. These activities are being conducted through a Space Act Agreement with NASA's Commercial Crew Program (CCP).
"Dream Chaser continues to make strong progress toward orbital flight," said Mark N. Sirangelo, corporate vice president of SNC's Space Systems business area. "In addition to Phase Two flight testing, our on-time completion of the first two milestones under NASA's Commercial Resupply Services 2 (CRS-2) contract in the last two months positions us well to be on-schedule for orbital operational flight. We are very grateful for all the support we have received from NASA and the U.S. Air Force, and are excited to continue the legacy of historic flight testing that is the hallmark of NASA AFRC and Edwards AFB."

What Are We Testing?
 The vehicle will undergo a series of tests building on those performed in Phase One, including tow-tests, pre-flight tests and ending with free-flight testing. SNC is also performing additional critical tests to validate the Dream Chaser's orbital flight software and calculate the spacecraft's handling and performance characteristics. Along with other pre-flight and post-flight evaluations, this data will be used to confirm Dream Chaser's subsonic aerodynamic properties as well as flight software and control system performance requirements.
"These tests are significant for us in multiple ways; building on our previous flight test, completing a significant milestone under our CCP agreement, as well as gathering crucial data that will help complete the design of the vehicle being built for our CRS-2 contract," said Sirangelo.

CCP Testing Supports CRS-2 Development
 The Phase Two flight test efforts will be highly supportive of, and executed in parallel with continued work being done by SNC under the NASA CRS-2 program. The Dream Chaser test vehicle has been upgraded to include several hardware and software components being integrated into the Dream Chaser Cargo System design for the CRS-2 program, allowing for actual flight testing of the new components. The flight tests will act as a bridge between previous work with CCP and the next-generation vehicle currently under development for the forthcoming International Space Station cargo resupply missions.

About Sierra Nevada Corporation
 Sierra Nevada Corporation (SNC) provides customer-focused technology solutions in the areas of aerospace, aviation, electronics and systems integration. SNC has been honored as one of "The World's Top 10 Most Innovative Companies in Space," and one of America's fastest growing companies. SNC's Space Systems business area based in Louisville, Colorado, designs and manufactures advanced spacecraft, space vehicles, rocket motors and spacecraft subsystems and components for the U.S. Government, commercial customers, as well as for the international market. SNC has more than 25 years of space heritage, participating in more than 450 successful space missions and delivering 4,000+ systems, subsystems and components around the world.
For more information on SNC visit www.sncorp.com and follow us at Facebook.com/SierraNevCorp and Twitter @SierraNevCorp. Sierra Nevada Corporation and SNC are trademarks of Sierra Nevada Corporation.

[Дмитрий Инфан]

Павел73 пишет:
Из всех разрабатываемых сейчас орбитальных КК мне больше всех нравится именно этот.

У него очень узкая область применения, а стоимость разработки более высокая, чем у капсулы.