Re: SA-214, the Last Cluster Booster

Pat Flannery <flanner@xxxxxxxxxx> wrote:

> From what I've read, getting stable combustion with no harmonic
>vibrations in a liquid-fueled rocket engine is what eats up most of its
>development time.

That's been the long pole in the tent most of the time for seventy
years. High-speed turbulence and shocks being the mathematical
nightmare they are, neither theory on paper nor teraflop simulation
has made a lot of headway. A number of those I've interviewed
volunteered the term "black art"...
.