(more images)

One nice thing about building Slayers in Seattle USA is that there is no shortage of great coffee roasters willing to try out a new thing.  In fact, not surprisingly it’s primarily the most artisanal roasters of extremeness that have taken notice.

Proximity like this also means that there is no shortage of great coffee to dial in for flavor profiling.  We have tried quite a few of the local greats.  Zoka’s Paladino, Vita dal Sol, Stumptown Hairbender, and Vivace Vita & Dolce.

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Coming to terms–finding the right words!

Espresso machine manufacturers like to lay claim to a tradition of hand-made espresso machine manufacturing.  Maybe you’ve noticed this too.

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When I go to a show and see a new machine, I would love to actually play on it - specifically with MY coffee. I know what its supposed to taste like and it would be great to see how my coffee tastes on their machine. 

So, at the SCAA, we’re going to have two machines up & running. One will be manned by John & Joel who’ll be pulling shots for everyone who just needs a coffee.

The second machine is being set up for roasters & baristas to play with. We’ll have a 2gp Slayer plus two grinders: Anfim Super Caimano & Mazzer Kony (both with digital timer mods). Here’s your invitation to play! Bring a bag of your espresso to SCAA (probably 2lbs or more).

Start by choosing your preferred grinder (flat or conical burr set), set grind, dose & brew temp using the machine at a straight 9 bar shot - establishing a baseline. Next adjust the grind finer (generally I go 2 to 3 settings finer) and play with low pressure preinfusion and various brew geometries on the Slayer.

Who knows, you may experience your coffee for the first time ;-)

Cheers

Jason

Does anything provoke stronger feelings and louder opinions right now than the mere mention of pressure profiling?  In specialty coffee, I don’t think so.   For this reason alone the topic merits some discussion here.  It also merits discussion as Slayer is on the verge of introducing a machine that takes full advantage of brew pressure deltas, by which I mean the ability to brew coffee with more than a flat pressure profile, to enhance coffee quality.

Since this is a blog about the broader aspects of our industry, and not simply an advertisement for Slayer, I want to reflect on my own relationship with brew pressure profiling first, then relate it to Slayer.  So here goes. . .

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I’m posting this picture of Dan Urwiler posing behind the proto-Slayer:  Slayer’s prototype.  The fit and finish of this pre-production machine is far less refined than the production version.  The proto-Slayer was almost 100% handmade, and went through numerous iterations before reaching the version shown here.  Like most prototypes, proto-Slayer reflects many  tweaks and changes made along the way.

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Third Wave Coffee: Direct & Specific

Why would you even think of building the Apple in a market where IBM is effortlessly kicking out products designed by the world’s leading IT experts and most capable computer scientists on the planet - not to mention a time when Atari and Commodore are already well on their way to delivering everything that the home user could ever want?

The answer to that question is the same for Apple as it is for Slayer.

It’s because our needs and aspirations as individuals are not defined by the power of an established brand or the influence of gurus and seers telling us where our boundaries are. Our needs and aspirations are the province of our imaginations alone. And in seeing if we can do something better and more artfully than it’s ever been done before, we are apt to surprise ourselves at what we can accomplish. Even out of a modest start something great could happen.

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Around a month ago, we were experimenting with the new Slayer espresso machine in our studio. The video shows our off the cuff reactions to what we were tasting.

Let me start with some history. I’ve been in the coffee business for 18 years importing, selling & servicing Italian espresso machines, and roasting coffee for 11 years (with my two brothers at Fratello Coffee Roasters in Calgary). Eric started with Starbucks in the early 90’s, moved to ESI, then started Treuh Italia (now called Synesso) with Dan in 2003. Dan started with ESI in the 90’s as well. Eric & Dan began working with us in 2006.

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I’m not one to keep my mouth shut, so the last year and a half have been a struggle for me - especially the last several months. 18 months of planning, arguing designing and delays. Stressed, yet excited as hell to finally give birth to the fruits of of our labor.

We feel that some times you need to throw the baby out with the bath water and simply start over…so thats what we’ve done. Over 2 years ago we started with pages of notes on whats wrong with machines today and lists of what our dream machine would do. We interviewed countless baristas & cafe owners and started building our own versions of what we called Frankenbots. We tested our theories with the ultimate end goal of creating a true barista machine. Read the rest of this entry »

I am posting one more item around our recent WBC-protocol temperature stability tests of the Slayer prototype espresso machine.  The graph above shows how the two different probe devices we used read and registered temperature and temperature change. The main difference between the Scace meter and the custom K probe device we put together in shop is response time.  I think we may have also gotten a small advantage in terms of precision with the K as well, but no one has really sorted through the data to determine this, yet. 

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Earlier this month, we switched on the third or fourth refinement (depends on your perspective) of our series of working prototypes.  This machine is meant to demonstrate a lot about how our final machine –  the Slayer — will work as an espresso brewing device when it becomes available to anyone who wants one later this year.  

Up to this point our machine platforms were meant to demonstrate particular concepts, like dry steam production, or shot quality .  .  . or whatever. With iteration number 4, we decided to run the WBC brew temperature stability test to see how the machine would fare if we ever take it there (or maybe when we take it there).  I have posted some of our results in the table below.

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