From: jfindley@cinci.nospam.rr.com   
      
   In article , jfmezei.spamnot@vaxination.ca   
   says...   
   >   
   > The animations I have seen show superheavy landing between cradle arms   
   > and the stack rotated such that the extended grid fins are caught by   
   > those arms.   
      
   Any of those animations "official" SpaceX videos?  If not, I'd take them   
   with a huge grain of salt.   
      
   > Considering that the grid fins should be very agile and able to move   
   > quickly to manage attitude during the descent phase, is it possible to   
   > have both this agility AND the structural strength needed not not only   
   > support full weight of the Super Heavy but also the G-force at time of   
   > landing?   
      
   Yes.   
      
   > Also, while the multiple Starship landing attempts showed good   
   software   
   > ability to manage attitude down to near vertical when engines are   
   > supposed to do the final bit to the ground, do we know if this included   
   > control of rotation (roll?) of the stack once vertical?   
      
   Heavy will go up and down like a Falcon 9 booster.  Starship is an   
   entirely different beast.   
      
   > Since such a cradle landing requires not only that the fuselage drop   
   at   
   > right place, speed, but also rotated so its grid fins are oriented to be   
   > caught by the arms and not touch the tower itself, has there been any   
   > indication that this has been tested with the startship flights? (even   
   > though starship won't use that, just curious of the software for   
   > rotation control was tested on it).   
      
   No, Starship has no grid fins.   
      
   Jeff   
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