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14 votes
1 answer
3k views

Why can solid rockets be both the skinniest and most spherical launch vehicles while liquid fuel rockets have a more limited range of aspect ratios?

Question: Why can solid rockets be both the skinniest and most spherical launch vehicles while liquid fuel rockets have a more limited range of aspect ratios? Are there fundamental engineering ...
uhoh's user avatar
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6 votes
2 answers
616 views

How do spherical SRB's compare to long skinny ones? What do their thrust curves look like?

Most SRBs are long and skinny, probably because most are used low in Earth's atmosphere where aerodynamic drag is large. But here are some very short SRBs, one seemingly spherical except for the ...
uhoh's user avatar
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2 votes
1 answer
178 views

Need help understanding staging shown in infographic of Titan launch of Hexagon satellites

The NPR News item I Spy, Via Spy Satellite: Melting Himalayan Glaciers discusses use of declassified historical satellite images that include glaciers, and link to the newly published and Open Access ...
uhoh's user avatar
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