pcrussell50 wrote:*a bit off topic, but are you able to mimic Slayer shots on your GS/3? If so, have you done any water debit experimentation on it? If so, what kind of numbers are you getting?
I think it depends how you define "slayer shot". But before I get to that, some observations.
Wide open water debit is about 500ml/min (or a touch higher), and I can make it go literally as slow as I want, below 1ml/sec.
What is unclear, and I haven't tried to test this exhaustively, is whether at those very slow flow rates (like 1ml/sec), if pressure will build when resistance is encountered. There is a good half inch of travel on the paddle between the position when water starts to trickle out, and the position where it will hold say 3 bar of pressure against a blind basket (or a coffee puck). And the water debit with no resistance at the 3-bar position, for example, seems to be about 350 ml/min (which I only mention to illustrate it's a significant movement in the valve).
So all this is to say:
1. I can run a shot with as long of pre-infusion as I want, pretty much
2. I can hold the pressure against the puck constant any any level from around 1-9 bar (assuming sufficient resistance by the puck)
3. I'm not entirely clear if the above means I can replicate a "slayer shot", which I define to mean a fixed flow rate during pre-infusion. I think the machine could do it, but I think I'm flying blind since I only have feedback about the pressure, not the flow rate.
In practical terms, though, if you think of a "slayer shot" more broadly as a shot with a long pre-infusion, and possibly with backing off the flow later in the shot, then it can certainly do that.