Hi guys,
I just took Beerisyummy's starting point and decided to record the pressure by adjusting the regulator.
I have butchered my head a fair bit, so hacking it up further was no issue. I basically cut off the retaining latch, leaving the adjuster cap free to rotate. This should probably be hot-glued in place if you wish to set up a head for lagers/pale ales and one for English beers.
So, we have the following:
+0.25 turn - 100kPag
0 turn - 78kPag
-0.25 turn - 60kPag
-0.5 turn - ~45kPag
-1 turn - 20kPag
At 3°C serving temp, we have the following:
+0.25 turn - 100kPag --> 2.8volCO2
0 turn - 78kPag --> 2.5
-0.25 turn - 60kPag --> 2.3
-0.5 turn - ~45kPag - 2.1vol
-1 turn - 20kPag --> 1.7vol CO2
Two things I'm going to next find out: if it's comfortable in the 3-3.5vol range for wheats, etc; and if further restriction needs to be put in the little hose bit on the tap (e.g. 3mm tube) to slow it down at higher carbonation. Even at the existing carbonation it might help?
PS - not sure what the maximum pressure of these units would be. The regulator will obviously be ok, and pretty sure the bottles would be fine with a couple of hundred kPag, but not sure if there is a weak spot somewhere.
Enjoy...