From: eaglesondouglas@gmail.com   
      
   On Thursday, March 25, 2021 at 4:30:44 PM UTC-4, Alain Fournier wrote:   
   > Has anyone heard anything about what caused the premature relaunch of   
   > SN10. Relaunches are usually after much more than a few minutes or   
   > within a few seconds of landing (for the relaunches of the SN10 type   
   > leading to RUD).   
   >   
   > I'm wondering, will this lead to something like don't start servicing a   
   > Starship less than several hours after landing to let the engines cool   
   > down or what not. Or maybe it will lead to keep this valve closed after   
   > landing.   
   >   
   > If SpaceX ends up delaying servicing returning vehicles for several   
   > hours, it isn't really a big deal. But still, they seem to want to go   
   > for a very rapid turnaround, so if they could trim those several hours   
   > from the refurbishment time, it can make it even more cool.   
   >   
   >   
   > Alain Fournier   
      
   I have always wondered. variable temperatures and fuel line   
   diameters can cause a vapor lock in the fuel system.  This is   
   fairly common in small aircraft engines. But the  existence of this   
   lock does not exclude its application to rocket  engines.   
      
   This dynamic at liquid O2 temperatures has been tested?   
   This can result in rocket detonation?   
      
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