[AR] Re: Spin.

  • From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
  • To: Arocket List <arocket@xxxxxxxxxxxxx>
  • Date: Fri, 12 Nov 2021 00:19:15 -0500 (EST)

On Thu, 11 Nov 2021, William Claybaugh wrote:

Henry:
Or...your SSTO uses cheap solid strap-on's for Polar and other such
orbits....

I'd prefer to make them liquids, and preferably reusable -- good solids aren't as cheap as they look, and moderate-performance liquids don't have to be expensive -- but yes, it's a defensible idea. Provided, that is, that the strap-ons are *only* for unusual cases; otherwise you're really building a TSTO, and you will get a better design if you're honest with yourself about that.

Henry

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