All Questions
4
questions
9
votes
4
answers
6k
views
Is there a maximum Isp for "exothermic chemical reaction rockets"?
The question Is there a maximum $\text{I}_{sp}$? reminded me that I once read somewhere that the maximum possible $\text{I}_{sp}$ for a rocket engine based on expansion driven by exothermic, ...
6
votes
1
answer
1k
views
Density of propylene when used as rocket fuel, and advantages (if any) over RP-1?
Recently Vector space from USA has said that propylene is a better choice of fuel than RP-1. See Ars Technica's After a decade of testing, propylene rocket fuel may be ready for prime time
Why is ...
12
votes
5
answers
2k
views
What limits burning speed of solid propellant?
SRBs and missiles use grain to regulate thrust over time, as only exposed surface of the propellant burns.
But what causes propellant to burn only on the surface, and regulates the speed at which the ...
6
votes
1
answer
12k
views
Can I make my own RP1? [closed]
Is it possible for me to buy kerosene from a local store and then try to refine it to the extent where it would be considered RP1. If so how would I do it? For those who are wondering me and a group ...