V-n Diagrams

Greg Esres wrote:
I am using Vs (stall, clean) since the configuration is the same as
at Va.

Vs1 is normally taken to be the clean stall speed. The meaning of Vs
seems a bit more ambiguous. But we're talking the same thing here.

How does CAS account for density altitude?

With a given CAS, the density altitude is irrelevant. That's the
beauty of it. ;-)

For a given DA, you could use TAS and get the same results, as long as
you're consistent in using TAS for each figure. However, Vs1 is only
published as CAS. And there's no point in doing that anyway.

Thanks, Greg.
The whole purpose of my exercise is to determine the minimum turn radius
and maximum rate of turn for a given weight. This is dependent upon air
density (hence, density altitude) and true airspeed.
What is really interesting to me is, I learned all this stuff 25 years
ago, but didn't have the experience to fully understand it as I do now.

The whole purpose of my exercise is to determine the minimum turn
radius and maximum rate of turn for a given weight. This is dependent
upon air density (hence, density altitude) and true airspeed.

Hmmm. Air density doesn't appear in the formulas that I have. Load
factor and true airspeed are the only variables. And load factor
should be independent of density altitude.

What are you doing with air density?

Greg Esres wrote:
The whole purpose of my exercise is to determine the minimum turn
radius and maximum rate of turn for a given weight. This is dependent
upon air density (hence, density altitude) and true airspeed.

Hmmm. Air density doesn't appear in the formulas that I have. Load
factor and true airspeed are the only variables. And load factor
should be independent of density altitude.
What are you doing with air density?

Trying to figure minimum safe altitudes for recovery from vertical dives
at different times of the year under different temperature/humidity
conditions.