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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 105,205 of 106,651   
   Snidely to All   
   Re: Super Heavy vs Starship differences   
   20 Feb 21 15:13:36   
   
   From: snidely.too@gmail.com   
      
   Lo, on the 2/20/2021, JF Mezei did seek answers ...   
      
   > Since Super Heavy uses the same engines as Starchip, same diametre, same   
   > steel, would it be fair to state that once all the debugging of Starship   
   > is done, it will almost all aply to Super heavy?   
      
   Much, yes.  Look at the construction of BN1.   
      
   > They learned to weld on Starship, so that transfers to SH.   
   > They test engines on Starship and that transfers to SH.   
   >   
   > With the landing being different, will SH benefit from Falcon 9's   
   > software/experience more than the Startship's landing experience?   
      
   A definite maybe, as well as Starhopper and SN5 and SN6.   
      
   > Would it be fair to state that structurally, the challenge is the   
   > scaling of all the pipes inside the cylinder as well as (I assume)   
   > larger stringers since the rocket has to support a lot more weight?   
   > Feeding 37 engines is gonna need some pretty hefty pipes , right?  Could   
   > this be an achile's heel in terms of the dome sections that will now   
   > have huge big holes in them for the pipes?   
      
   We will probably not see that for a while, but I myself am curious   
   about the plumbing of /six/ engines.   
      
   > And while Musk has dreamt of SH gently cradling itself into the arms of   
   > a motherly launch towers to land, I assume ininital landings will use   
   > some sort of landing gear? or will they go for a "land in launch tower's   
   > arms" right away to avoid having to develop landing gear?   
      
   It' already known that SH will land on the landing pad during early   
   testing, and no tower will be built until well after that point. The   
   Tankzilla crane doesn't have motherly arms.   
      
   > Could initial landing gear be Falcon 9 designs scaled up to be bigger?   
   > Or is the design of legs folded outside against skin and which open   
   > outwards impractivcal for Super Heavy?   
      
   The initial landing legs will be inside the skirt, similar to SN15's,   
   but I understand a beefier design.   
      
   /dps   
      
   --   
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   any particular reason, but I have always been glad.   
     _Roughing It_, Mark Twain   
      
   --- SoupGate-Win32 v1.05   
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