Talk:Cygnus (spacecraft)

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December 2008[edit]

Stats anyone? Need some details on the craft's capabilities (cargo space, thrusters, launch vehicle, etc). Usarian (talk) 16:39, 26 December 2008 (UTC)

Spacecraft dimensions?[edit]

Does anyone have a source for the dimensions of the spacecraft? N2e (talk) 20:47, 31 January 2010 (UTC)

Relationship with Thales Alenia Space?[edit]

In the introduction, the article indicates that the spaceship is a collaboration between Orbital and Thales Alenia. In the main body of the article, the relationship is not clarified and only refers to Orbital. Is Orbital the lead partner in a consortium? Is Thales Alenia a subcontractor? Did Orbital win the competition and then subcontract or did a consortium including Orbital and Thales Alenia win the competition to build the ship? thanks. --mgaved (talk) 20:19, 3 April 2011 (UTC)

Orbital is main, Thals Alenia is a sub. NASA only has a Space Act Agreement with Orbital.--Craigboy (talk) 03:52, 30 March 2012 (UTC)

Descriptions of other similar vehicles[edit]

As the Cygnus is being developed, comparison to similar vehicles should either be a comparison to those likewise in development or mention the comparison is being made to developed vehicles. The simple omission of the word 'being' as in developed or being developed is not clear enough on this.Penyulap (talk) 14:12, 4 May 2011 (UTC)


page. 140/150



"So will future full-up Cygnus vehicles, which will be outfitted to support both the cargo they carry for the space station and any hosted payloads Orbital can find. The company already has a contract with NASA’s Glenn Research Center to conduct a combustion experiment on an emptied Cygnus once Orbital begins flying out its $1.9 billion, eight-mission Commercial Resupply Services (CRS) contract. “We expect we will have a pretty sophisticated spacecraft that can operate on orbit for upward of a year,” said Michael Hamel, Orbital’s senior vice president for corporate strategy and development. The Glenn experiment will study how fires can propagate and be extinguished in a spacecraft, on a scale that would be unsafe to attempt on an occupied vehicle."


@32:00 - Typical mission will be about 30 days, including the rendezvous, the time aboard station, the time to de-orbit. We could extend that to 60 or 90 at NASA’s request, however once we separate from the space station, the spacecraft itself, depending on its fuel load could probably fly easily for another year, in terms of what the components are certified for.
@33:00 – They also believe it will be useful beyond low earth orbit.
@35:00 - Late june/Early July for COTS mission. History: The initial Antares flight was originally planned to launch Cygnys to the ISS, agree was modified to do test flight. They didn’t do it initially to save money (they received $100 million less than SpaceX).
@38:00 – Some good info on COTS

--Craigboy (talk) 01:34, 4 May 2013 (UTC)

Solar arrays on standard variant are fixed (i.e. they don't move after they're deployed). --Craigboy (talk) 05:19, 29 April 2014 (UTC)


The Cygnus uses IHI BT-4 engine fueled by MMH/N2O2, and a lot of mono-propellant MMH attitude control thrusters. Currently the page lists only the oxidizer under the heading "Propellant".

Zeev.tarantov (talk) 09:07, 19 September 2013 (UTC)

Thanks for the comment and two sources. Perhaps some editor will happen by here and update the article, with addition of appropriate reliable source citations.
However, keep in mind that this is Wikipedia and anyone can edit. So why not take a stab at writing that prose yourself, and adding a citation (or two, if neeeded) to support your statement. Ping me if you would like some help. Cheers. N2e (talk) 03:57, 20 September 2013 (UTC)
Yes check.svg Done. Zeev.tarantov (talk) 10:10, 20 September 2013 (UTC)
Great. Thanks for doing that. Good editing. N2e (talk) 14:07, 20 September 2013 (UTC)

TAS-I still producing[edit]

Yesterday I saw several of the things through a window, and they worked until 8 in the evening, so there are a few here in Turin which will be ready soon.--Stone (talk) 09:19, 17 October 2013 (UTC)

Manned version of Cygnus?[edit]

This article mentions that Orbital is developing a manned version of Cygnus. Does anyone have details? (talk) 16:33, 25 November 2013 (UTC)Nydoc1

The linked article is incorrect.--Craigboy (talk) 05:18, 29 April 2014 (UTC)

Cost per launch[edit]

It would be interesting to have those numbers, since that was much of the point of developing commercial space transport. I see a $1.9B contract covering 8 launches; does that mean they are ~$238M/launch, or is there funding for base development there? -- Beland (talk) 17:30, 8 December 2014 (UTC)

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