nothing unusual for me to say about this basket... I usually dose 17 grams into it and I think the shots are pretty good....
Today, a 18 gram ridgeless VST basket arrived. I was shocked at how much larger the perforated area was in the bottom of the VST basket. And the 18 gram VST seems quite a bit larger than the generic precision basket I have been using. To be honest, looking at the actual perforated area doesn't seem much different between the two baskets, just that the VST has a much more perforated area and the VST is not tapered nearly as much on the bottom allowing it to hold more coffee.
I assume I am going to have to tighten up my grind to use the new VST basket as it seems like it would tend to offer less restriction with more perforated area.
Any thoughts on how this will affect the shot? I don't plan on using it until tomorrow morning, so I was just looking for input about how I might want to use the VST basket differently.
Posted Fri Mar 28, 2014, 7:21pm Subject: Re: VST vs other precision basket
Yes, you will probably have to adjust to a finer grind. I have the VST basket and I had to adjust about half a notch on my MACAP grinder. It wasn't a big deal to move to the VST. I've been using the basket for 2 years and it produces great results.
Posted Fri Mar 28, 2014, 7:26pm Subject: Re: VST vs other precision basket
Yes, people generally find they have to tighten up the grind a few notches when switching from most conventional baskets to a VST. Because of their larger perforated area, one also has to be a little more careful to distribute the grounds evenly throughout the basket in order to get uniform flow.
Because of the finer grind, you will have a better "shot" at pulling nice-tasting shots from some of the trendy, light-roasted, hard to extract coffees that are all the rage nowadays.
For dark roasted coffee you may want to cut the shot earlier than usual to avoid including too much of the bitter, overextracted flavors.
DeanOK Senior Member Joined: 24 Sep 2012 Posts: 666 Location: OK Expertise: I like coffee
Espresso: QM Vetrano 2B Grinder: Vario W
Posted Sat Mar 29, 2014, 4:00am Subject: Re: VST vs other precision basket
Did my first shot this AM with the VST. It had a yield of 40 grams in 24 seconds.... this is usually a little long for me. I usually find my personal taste at about 2 to 1. Since I was using 18 grams I would normally shoot for a 36 gram yield in about 24 seconds or so. I know it makes a lot of people roll their eyes when you talk about making shots with a scale and a timer, but it works best for me. Anyway, the shot was not bad, but not as good as I usually get with the old basket. I think I need to grind a tad finer, but I am already near the bottom of my VarioW can do.. I only have two notches left. Next shot will be only one shot away from as fine as I can go... but the beans I am using are frozen that are about a week from thaw. I did notice that the VST knocked out cleaner than what my old basket usually did, so if I get a cleaner basket on every shot, that will be a plus.
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