Talk:Roll program

This is the talk page for discussing improvements to the Roll program article. This is not a forum for general discussion of the subject of the article.

Put new text under old text. Click here to start a new topic. New to Wikipedia? Welcome! Learn to edit; get help. Assume good faith Be polite and avoid personal attacks Be welcoming to newcomers Seek dispute resolution if needed Article policies Neutral point of view No original research Verifiability

Find sources: Google (books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL

This article is rated Stub-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Spaceflight Low‑importance This article is within the scope of WikiProject Spaceflight, a collaborative effort to improve the coverage of spaceflight on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SpaceflightWikipedia:WikiProject SpaceflightTemplate:WikiProject Spaceflightspaceflight Low This article has been rated as Low-importance on the project's importance scale. An editor has requested that an image or photograph be added to this article. Rocketry Low‑importance This article is within the scope of WikiProject Rocketry, a collaborative effort to improve the coverage of rocketry on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.RocketryWikipedia:WikiProject RocketryTemplate:WikiProject RocketryRocketry Low This article has been rated as Low-importance on the project's importance scale. An editor has requested that an image or photograph be added to this article. Aviation: Aircraft This article is within the scope of the Aviation WikiProject. If you would like to participate, please visit the project page, where you can join the project and see lists of open tasks and task forces. To use this banner, please see the full instructions.AviationWikipedia:WikiProject AviationTemplate:WikiProject Aviationaviation This article is supported by the aircraft project. An editor has requested that an image or photograph be added to this article.

Very good synopsis and detailed precisely. Good references, please give more. Cheers --88.103.1.179 (talk) 23:47, 1 December 2008 (UTC)[reply]

Q. Why wasn't the shuttle simply put onto the pad in the right direction, so that no roll would be required? -- A. Because the in-flight roll is relatively trivial compared to the rotation of the huge launch pad. Plus, the desired orientation is dependent on time of launch. If there is a launch delay, the in-flight roll can be easily adjusted, whereas the need to re-orient the launch pad would basically scrub the launch.

Is the pad built in such a way that the shuttle has to be oriented in the same way for each launch?--Avl (talk) 11:19, 23 March 2012 (UTC)[reply]

Answering my own question: Putting the Shuttle in any other orientation on the pad would require the crawler to rotate, which would either stress the ground track severly if done in place, or take a lot of time if the crawler was sent on a big loop to accomplish the turn. Also, the rolling in flight isn't a problem.Avl (talk) 18:00, 8 August 2012 (UTC)[reply]

Soyuz actually does this, though. They literally rotate the launch entire launch pad to line up with the inclination so that they don't have to design a roll program. Titan(moon)003 (talk) 19:31, 4 October 2024 (UTC)[reply]

Doesn't just about everything use this? See Mercury-Atlas 3 and Polar Satellite Launch Vehicle, for example. Bubba73 ^{You talkin' to me?} 07:03, 6 February 2015 (UTC)[reply]

For example, how does orienting the space shuttle in the correct direction to meet its target orbit achieve these things listed in the article?:

• Increasing the mass that can be carried into orbit
• Increasing the orbital altitude

115.64.159.41 (talk) 08:56, 5 April 2016 (UTC)[reply]

Because as it pitches over and the airstream is not directed exactly the way the shuttle is pointing, the shuttle external fuel tank "shields" the space shuttle from part of the airflow. This way, only one surface of the spacecraft is experiencing increased drag rather than two. Titan(moon)003 (talk) 19:34, 4 October 2024 (UTC)[reply]