Originally Posted By: mlord
Okay, the experiment has now been re-run, using exactly 4-cups (to avoid confusion over differing definitions of a "quart") of 74F water. Note also that we compared our various kitchen cup measures, and used the volume that nearly all of them agreed upon.

Heh.. the things one never suspected! Okay, our "cup" measures are actually 250ml, so that was exactly one litre of water for the test, which is somewhat more than one USA quart.

Quote:
It took 2:15 for a peak roaring boil to be achieved, and the kettle again switched off 8 seconds after this.