I know this is not a canonically accepted use of Stack Exchange, but for How far is the heat limit from the power limit on speedlights? the first answerer (who obviously has not yet been fully indoctrinated ;) wonders in a comment, "Perhaps you could obtain the data by asking the community to perform various tests on different flashes and then collate the results?"

I am likewise wondering: Why not? Isn't that a fair community-wiki Q&A?

Update: Following AJHenderson's answer I figured I might as well just try it, so have a look.

Let the re-education begin....