Talk:SpaceX reusable launch system development program/Archive 1: Difference between revisions

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:Done, chose a bright scene clear of text. This is done with the {{para|thumbtime}} parameter, with the image set with "h:m:ss" (and if known, you can set decimal seconds for extra precision). In this case, I went with {{para|thumbtime|0:2:04}}. <span style="white-space:nowrap; text-shadow:gray 5px 3px 1px;">— [[User:Huntster|Huntster]] <small>([[User talk:Huntster|t]] [[Special:Emailuser/Huntster|@]] [[Special:Contributions/Huntster|c]])</small></span> 19:38, 19 October 2014 (UTC)

== Test Four ==

The cited reference says that the booster flew *toward* a zero-velocity/zero-altitude touchdown, it doesn't say that the booster obtained it. Elon's interview at MIT did *not* include CRS-4 in his enumeration of successful landing attempts. In the same interview he mentioned that the legs (which were missing from CRS-4 for schedule reasons) reduced terminal velocity by half. Without a more precise source, we can't say whether or not the booster actually obtained a zero-velocity-at-zero-altitude touchdown. I tweaked the article to use the sourced Aviation Week wording instead (flew the a profile approaching zero-velocity/zero-altitude).

To be more bold, one might actually mention the fact that Elon did not include this flight in his enumeration of successful landing attempts, although the pre-landing profile captured by NASA is stated to be successful and accurate. See http://shitelonsays.com/transcript/elon-musk-at-mits-aeroastro-centennial-part-1-of-6-2014-10-24

See also http://forum.nasaspaceflight.com/index.php?topic=35385.msg1277242#msg1277242 for some more discussion on this point by folks knowledgeable in the ___domain, who might be able to provide more specific sourced statements. [[User:Cscott|C. Scott Ananian]] ([[User talk:Cscott|talk]]) 19:17, 27 October 2014 (UTC)

:I had added that to flight 4 recently, only after re-reading the Aviation Week article and seeing the ''zero velocity at zero altitude'' locution mentioned. If you have checked that source carefully and believe the context was only speaking aspirationally, and not stating that it was achieved on the flight where the thermal imaging data was captured (which was how I had read it), then you should go ahead and edit the article to make it accurate to whatever is supported by the source. I'm certainly not trying to make it say any more than the source, and may have read it wrong when I made that edit. Cheers. [[User:N2e|N2e]] ([[User talk:N2e|talk]]) 18:41, 28 October 2014 (UTC)