Powder questions?

[Lurch]

I keep reading different things on the internet so figured I would ask here.

Does a faster burning powder equal a hotter burning powder?

Assuming all other variables are the same will a ball powder burn faster then a extruded powder or flake for that matter?

Thanks

[Great-Kazoo]

Fast powders will burn "hotter" than slow powders given the same mass of propellant, regardless of shape. Or so say the multiple reloading web sites consensus .

Which of course may be proven wrong, or tweaked for correction by those much more in the know then i am.

[paddywagon]

As far as ball, extruded or flake is concerned I would think that it would be chemical composition that would dictate speed of burn. Especially considering there are extruded magnum handgun powders as well as flake rifle powders.

[earplug]

I think there are many factors, loading density and pressure would change a burning rate/heat.

[MarkCO]

Burn speed differences between powders are not related to actual burn temperature differences. However PV=nRT.

[spqrzilla]

Not sure what the OP is actually interested in. Burning temperature for what? Worried about powder erosion? That's more of a composition than temperature artifact.