file OTTO has arrived!

  • Craig - the OTTO guy
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10 years 3 months ago #4031 by Craig - the OTTO guy
Replied by Craig - the OTTO guy on topic OTTO has arrived!
Hi team,

Thanks all so much for the support and for taking the time to ask about OTTO.

I'll start with the separate boiler seeing as that's probably the biggest departure in design from the Atomic. This initially came into the equation because of an issue with casting stainless steel. The boiler is a squat cylinder which bolts into the base of the main body. It has 4 openings, 1 at the top for the lid where the water enters, 2 on the side of the boiler (inside the main body) where the safety valve is seated, and 3 and 4 on the side of the boiler across from the neck of the body. These two openings are for the water hose and the steam hose.

The thermal and fluid dynamics have provided years of challenges and scores of headaches for minds far greater than mine. Despite all the calculating, experimenting and careful application of our findings I still feel lucky that at that steam and water has ended up working so well. I knew we had to make a machine that outperformed it's iconic and beautiful predecessor but I had no idea we'd end up with a beverage of this quality.

The question of producing 3 bar of pressure - the water hose and the steam hose are linked in the neck of the machine by a valve. This valve delays the flow of water up into the head of the machine. During this delay, the hot water is increasing the heat of the steal and, in turn increasing the pressure in the boiler and through the hosing system. The pressure is well over 4 bar by the completion of the extraction.

The size of the coffee jug....... the coffee jug is perfect for filling the boiler, which requires significantly more fluid than the coffee produced during extraction. The other benefit is the aesthetic balance of the boiler and head, much like the gorgeous Atomic, to which OTTO is intended to pay homage.

In response to the brief period on the "friends of OTTO" discount, we actually need to retail at the higher cost for the business to be viable. I've created something that is without compromise, which has come at a high manufacturing costs. The good news is that "friends" will be buying a coffee machine that will last for generations.

Again, my sincere thanks for the interest and support.

Kindest regards,
Craig

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  • colin
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10 years 3 months ago #4032 by colin
Replied by colin on topic OTTO has arrived!
DonzasH wrote:


The boiler concept is definitely great, but it must take a very long time to bring the water to a boil. It might even take longer than the Atomic!!


I do not know about the Atomic brew time.

OTTO takes about 7 minutes on high electric heat til brew start begins.

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  • Frederick
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10 years 3 months ago - 10 years 3 months ago #4033 by Frederick
Replied by Frederick on topic OTTO has arrived!
ATOMIC brew time: 2 minutes.
Sassoon brew time: 1 minute 49 seconds.

You must NEVER start the OTTO on a full high red hot electric stove.

The pressure reaches 5 bar quite easily.
The OTTO is not similar to the ATOMIC. It is completely different. Only the spatial arrangements of the different stations are vaguely similar.

The ATOMIC does not, cannot, will not make espresso.

The OTTO does. The OTTO makes espresso. It froths. So you can make a cappuccino.
The ATOMIC makes the worlds best Americano, latte, café-crème. It does not make espresso. The Atomic reaches 1 bar. This is not sufficient to make espresso. Quite good to froth though, so you can have the illusion of drinking a cappuccino.
The ATOMIC does not make an espresso, this is used to make a cappuccino. So the ATOMIC cannot make a cappuccino.

The OTTO does. The concept and patents hidden within the OTTO are quite mind boggling. I have been using the OTTO for almost a month now and I keep being surprise, amazed and bewildered.

It is not fair or proper to compare the ATOMIC with the OTTO.
The ATOMIC is in a league of it's own.
The OTTO is playing with the Pavonis, Gaggias and others....with a difference: it is a stovetop.
The only espresso producing stove top in the world.
Frederick. AKA The ATOMIC Guru. I have been answering questions and given advice on this site concerning the ATOMIC for 52 years. So it seems.

Editors note: A special welcome back to Frederick, the Planet Earth's only Atomic guru - whose influence has been an important part in shaping the new OTTO, the Sorrentina... and perhaps even a new Atomic for this generation!
Last edit: 10 years 3 months ago by colin.

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  • Alan
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10 years 3 months ago #4034 by Alan
Replied by Alan on topic OTTO has arrived!
Thanks for the information, Craig. I still have a few more questions about the Otto:
(1) What's the temperature of the water by the time it reaches the brewhead?
(2) Is the boiler also stainless steel?
(3) If the valve or the hoses need replacement, can replacement be done easily by the consumer?
Thanks for you reply. (I'm sure other questions will occur to me after I submit this . . . )

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  • colin
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10 years 3 months ago #4035 by colin
Replied by colin on topic OTTO has arrived!
Alan wrote:

Thanks for the information, Craig. I still have a few more questions about the Otto:
(1) What's the temperature of the water by the time it reaches the brew head?


I can answer that... somewhere between 196 to 200 degrees (F)
or 97 to 99 (C)

It does not put boiling water in contact with the ground coffee.

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10 years 3 months ago - 10 years 3 months ago #4036 by Alan
Replied by Alan on topic OTTO has arrived!
Thanks to both Craig and Colin for the information. For those of you interested, details of the construction of OTTO complete with schematics are available
here .

Quite an ingenious arrangement and a very interesting design. Now, if I can just talk my son into taking advantage of that "Father's Day Discount" . . .

P.S. The link above only gives the first page. For some reason I can't get a direct URL to all the pages. To get all 27 pages, go to:
preview.tinyurl.com/otto2009
then click the tab labeled "PDF Version",
then click on "View entire PDF (27 pages)"
Last edit: 10 years 3 months ago by Alan.

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