Youcanhave a loadofpressure, butifyou'vegot a lotofresistanceinthatcoffeecake, yourcoffeecakeisveryfine, veryhard, sotightlypackedtogether, yourflowwillbeveryslow, andinfact, lowerpressuresmayproduce a higherflowbecausetheyweren't compact.
Thecakeasmuchhereforthefirsttime, wehaveduringtheshot a graphicalrepresentationofflowsoyoucanstarttoseewhat's happeningwhenyouchangepressure.
Youcanseewhathappensifyouuse a differentgrinder.
Howdoestheflowchangedduringtheshot?
Youcouldseesomethinglike a channelforminthatflowdata.
Hisraygetsmoreexciting.
We'veworkedout, I think, increasingly, thatthethingyoushouldbecontrollinganespressoisnotnecessarilytheinputvariablesbuttheoutputvariables.
Inthepast, wehadVolumetricstocontrolthesizeofanespressoshoton a volumetric, controlsthemanofwatersenttowardsthepuckintothegroupandinput.