stickmaker: (Default)
[personal profile] stickmaker
Ares-1 liftoff:

http://www.spaceref.com/news/viewpr.html?pid=29513

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I still think it has a too-high fineness ratio.

Date: 2009-10-29 03:02 pm (UTC)
From: [identity profile] purpleranger.livejournal.com
And what is a fineness ratio? Elaborate, please.

Date: 2009-10-29 04:14 pm (UTC)
From: [identity profile] stickmaker.livejournal.com


Ratio of length to width. Classic rocketry recommends it be in the range of 5:1 to 10:1.

Date: 2009-10-30 03:17 pm (UTC)
From: [identity profile] purpleranger.livejournal.com
Just a suggestion, but further elaboration could make for a good article on Rocket Science 101.

Date: 2009-10-30 03:46 pm (UTC)
From: [identity profile] stickmaker.livejournal.com


Already done:

http://www.dcr.net/~stickmak/JOHT/joht13rocketprop.htm

and other articles on the parent page.

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