Woody Senior Member Joined: 26 Jan 2004 Posts: 608 Location: Hood River, OR Expertise: I love coffee
Espresso: La Spaziale Vivaldi I Grinder: Mazzer Major Vac Pot: Hoover Drip: yuck Roaster: Behmor
Posted Thu Feb 21, 2013, 10:28am Subject: Re: Portafilter size
I have a La Spaziale which uses 53mm. The puck of course is smaller, but therefore thicker with a standard double dose. The only thing I dont like is the fact I can't try VST baskets- they don't make anything other than 58mm.
yakster Senior Member Joined: 25 Feb 2009 Posts: 1,043 Location: San Jose, CA Expertise: I live coffee
Espresso: Gaggia Factory / La Peppina... Grinder: Vario / Kyocera Vac Pot: Yama 8 + Pyrex Lox-in Rod Drip: Brazen / Kalita / Chemex /... Roaster: Behmor
Posted Thu Feb 21, 2013, 2:47pm Subject: Re: Portafilter size
I've heard some speculation that taller, narrower baskets can be easier to work with and are less prone to channeling issues. You could also consider that you can pull a shot with less coffee and maintain a good headspace which could be a cost savings (though I don't think many people would care about this fact). Also, accessory availability like the SCACE Thermofilters are available only in 58 and 53 mm and precision baskets only seem to be available for 58 mm portafilters.
The portafilters on my La Peppina and Gaggia Factory levers are 45 and 52 mm so a 58 mm portafilter looks huge to me. I normally dose in the 13 - 16 gram range for doubles but the corresponding shot volumes are smaller.
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