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Questions about solid fuels. The rockets that use them, the fuels that are burned, and the vendors that make them.

9 votes
2 answers
3k views

What is the correct thrust curve for a solid rocket with a simple circular hole, and why?

Going to wikipedia's article on solid-fuel rockets, I come across some graphs of thrust curves for certain bore-hole geometry. Right now I'm interested in the simplest bore-hole: a circular hole right …
DrZ214's user avatar
  • 4,606
17 votes
4 answers
4k views

For a typical Shuttle mission, how much solid fuel is leftover at SRB separation?

If I understand correctly, solid booster rockets never expend literally all their fuel before jetissoning, because the burn rate slows way down in the end and it would take too long to spend it all, p …
DrZ214's user avatar
  • 4,606
14 votes
1 answer
3k views

What solid fuel was used in the Katyushas rocket artillery of WW2?

The Katyushas were invented by the Soviets and used in WW2. They were trucks with rails firing a bunch of small rockets with a range of 3 to 12 km. These were solid-fuel rockets, but I would like t …
DrZ214's user avatar
  • 4,606
7 votes
1 answer
934 views

What was the first large rocket to use APCP solid fuel?

I'm surprised wikipedia doesn't have a history section for its APCP article. If I'm not mistaken, early solid rockets used something other than APCP, and really really early solid rockets used black p …
DrZ214's user avatar
  • 4,606