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9 November 2009

8 November 2009

  • 23:4823:48, 8 November 2009 diff hist −300 Hollow-point bullet Moving CG rearward DESTABILIZES a body whose shape isn't changed. If it is more stable/accurate, that is NOT as a result of CG moving rearward. It would have to be for another reason. Tag: references removed

7 November 2009

  • 04:2404:24, 7 November 2009 diff hist +15 Dynamic soaring fixed up the "hardly any" unencyclopedicism and clarified exactly what kind of energy "isn't used very much of" - lots of energy is used, just not "flapping" energy.
  • 04:2004:20, 7 November 2009 diff hist −4 Dynamic soaring The wheeling link had no reference to this usage so I de-linked it. What does "wheeling" mean here anyway? Turning while zooming? ("zooming" means trading speed for altitude - KE for PE)
  • 04:1504:15, 7 November 2009 diff hist −8 Dynamic soaring Typical model glider DSing only KE because wind gradient horizontal - not so-limited with vertical gradients like wakes of tall buildings. Also, KE readily converts to PE via zoom. "Energy" better.

6 November 2009

31 March 2008