GRGR (20) Part 3, Episode 13: Notes, Part 1 of 2

[Mark Wright AIA]

Howdy again

--- Michael Perez <studiovheissu at yahoo.com> wrote:
snip 
> However, I did not mean that the thrust generated by "pushing," which
> I
> did mean to put in quotes because it was a simplistic way to portray
> what you said much more eloquently about the exhaust gases expanding
> "against the pressure of the surrounding air," was all that
> significant
> physically, only conceptually.

I don't think I was quite eloquent enough.  Since the surrounding air
pressure tends to inhibit (a bit) the passage of the exhaust exiting
the nozzle, it therefore reduces the thrust generated by the engine (a
bit).

Mark, beating a horse to see that it is good and dead.
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