Hi,
Im a Dutch home barista and not active on this forum yet.
After having played with many machines in the past like a rancilio silvia, a quickmil thermoblock, an E61 HX machine, the Bezzera BZ07 PID and the Bacchi stove top Ive bought a 2nd hand Ponte Vecchio Exoort recently. Great machine that can produce nice tasting espresso without any doubt.
As there are not many PV user in my country Im presenting the following issue here and hoping some one can give me some advice.
Ive bought a naked PF for my Export as well. This PF has "smaller ears" compared to the older stock PF and locks at 4 oclock in stead of 6 oclock.
But no leaks.
It seems impossible for me to get a nice centered and donut shape extraction with the double basket. Ive been trying every combination of dose, grind, tamp and flow in the past 10 days. Low/high dose, fine/coarse grind, light/firm tamp, slow/fast flow, it doesnt matter. Every shot I get shows almost no flow from the centre but a couple of streams from the edges. Not only the edges of the basket but the edges of the PF boundaries itself as well. It looks like massive side channeling but colour and taste are pretty good.
Im pretty convinced that I know how to dose and distribute and I only use freshly roasted coffee (maximum three weeks old after roast). The pharos makes a pretty decent grind as do my other grinders. With my pump machine never had any difficulty in getting nice naked shots.
Strangely I do get nicely centered and donut shape extractions with the single basket that should be way less forgiving than the double basket. Even with low doses of only 7-8 grams.
This morning for example, I did a couple of shots using 16 grams in the double basket and a firm tamp. With a half pull followed by two more pulls I got about 30 grams of espresso. But once again not a drop from the centre. Looks like the espresso is attracted to the edges and not like side channeling at all. No blonding and taste was good and well balanced again. Puck knocks out in one piece and has no visible holes. No spritzers either.
Anyone any ideas whats going on here?
Im a Dutch home barista and not active on this forum yet.
After having played with many machines in the past like a rancilio silvia, a quickmil thermoblock, an E61 HX machine, the Bezzera BZ07 PID and the Bacchi stove top Ive bought a 2nd hand Ponte Vecchio Exoort recently. Great machine that can produce nice tasting espresso without any doubt.
As there are not many PV user in my country Im presenting the following issue here and hoping some one can give me some advice.
Ive bought a naked PF for my Export as well. This PF has "smaller ears" compared to the older stock PF and locks at 4 oclock in stead of 6 oclock.
But no leaks.
It seems impossible for me to get a nice centered and donut shape extraction with the double basket. Ive been trying every combination of dose, grind, tamp and flow in the past 10 days. Low/high dose, fine/coarse grind, light/firm tamp, slow/fast flow, it doesnt matter. Every shot I get shows almost no flow from the centre but a couple of streams from the edges. Not only the edges of the basket but the edges of the PF boundaries itself as well. It looks like massive side channeling but colour and taste are pretty good.
Im pretty convinced that I know how to dose and distribute and I only use freshly roasted coffee (maximum three weeks old after roast). The pharos makes a pretty decent grind as do my other grinders. With my pump machine never had any difficulty in getting nice naked shots.
Strangely I do get nicely centered and donut shape extractions with the single basket that should be way less forgiving than the double basket. Even with low doses of only 7-8 grams.
This morning for example, I did a couple of shots using 16 grams in the double basket and a firm tamp. With a half pull followed by two more pulls I got about 30 grams of espresso. But once again not a drop from the centre. Looks like the espresso is attracted to the edges and not like side channeling at all. No blonding and taste was good and well balanced again. Puck knocks out in one piece and has no visible holes. No spritzers either.
Anyone any ideas whats going on here?
