Off-topic Lightweight Espresso Machine

Post your new stove ideas here! All stoves welcome.
nikos
Posts: 32
Joined: Mon Apr 25, 2011 1:05 pm
Location: Taiwan - France

Off-topic Lightweight Espresso Machine

Post by nikos » Wed May 18, 2011 11:46 am

Hi there !

I was bored making stoves and boil water so I made this tiny italian coffee machine with 3 cans' bottom.

Image

The first juices were surprisingly strong and good. I encourage you to try and give some good ideas to improve it ! It is still highly experimental.... :shock:

User avatar
zelph
Posts: 15834
Joined: Tue Aug 14, 2007 1:53 pm

Re: Off-topic Lightweight Espresso Machine

Post by zelph » Wed May 18, 2011 5:42 pm

Looks more like a French expresso machine. :D

Interesting machine! Does it require a sloooow heat? Does the water transfer into the second chamber quickly? Once the water is in the seconder level, do you have to turn the heat off? How do you know when all the water is in the second chamber?
http://www.woodgaz-stove.com/

User avatar
zelph
Posts: 15834
Joined: Tue Aug 14, 2007 1:53 pm

Re: Off-topic Lightweight Espresso Machine

Post by zelph » Wed May 18, 2011 5:43 pm

since when does a stove maker get "bored" :o :mrgreen:
http://www.woodgaz-stove.com/

nikos
Posts: 32
Joined: Mon Apr 25, 2011 1:05 pm
Location: Taiwan - France

Re: Off-topic Lightweight Espresso Machine

Post by nikos » Wed May 18, 2011 8:58 pm

haha... did I say "bored" ? I obviously meant "honored"....... :shock: ''

The water passes to the second chamber pretty fast (1 minute max). The heat doesn't need to be slow, i guess, as pressure has to be high... actually I don't know.
So, then the second chamber get pressurized, the pot begin to shake.... and (20 seconds) pop! The lid pop up. You turn off the heat and watch the coffee flowing gently down to the ground floor.

The tricky part, at this point is that the pot is very hot and quite dangerous and difficult to open. I added a tab (2nd F) to facilitate the opening, but still... I may need some advices.

By dint of drinking my tests, I start feeling like :DB:

realityguy
Posts: 5948
Joined: Tue Feb 24, 2009 2:20 am
Location: slightly north of Seattle,WA

Re: Off-topic Lightweight Espresso Machine

Post by realityguy » Wed May 18, 2011 10:58 pm

Bigger is better..I live in Seattle..we're COFFEE drinkers around here..

First of all..I'd ditch the TAIWAN BEER can :o ;use a better brand can.. :roll:

:lol:

It's important to me to be able to make it "in the field"..after drinking the beer of course... :mrgreen:
The views and opinions expressed by this person are his own and not the general consensus of others on this website.Realityguy

realityguy
Posts: 5948
Joined: Tue Feb 24, 2009 2:20 am
Location: slightly north of Seattle,WA

Re: Off-topic Lightweight Espresso Machine

Post by realityguy » Wed May 18, 2011 11:08 pm

I would think it might be better to have the coffee chamber dented down in the middle and the holes in the center under your 'filter'.I would think as it is that coffee grounds would be spilling over the edges of the filter and getting into the lower chamber.Having the center 'welled' would probably brew a more uniform cup of coffee and filter it better,using all the grounds..
Taller bottom and second chamber...
Can you add another pressure relief hole to the lid on the edge(steam away from the center)?..and a small bail of wire for a handle out the top hole?
Just ideas..It's a good idea to begin with. ;)
The views and opinions expressed by this person are his own and not the general consensus of others on this website.Realityguy

nikos
Posts: 32
Joined: Mon Apr 25, 2011 1:05 pm
Location: Taiwan - France

Re: Off-topic Lightweight Espresso Machine

Post by nikos » Wed May 18, 2011 11:32 pm

Hi ! My morning coffee was really good. I am very happy the can can resist just enough pressure for the coffee to taste like espresso.

Realityguy, thanks for your ideas !! I will give them a serious try today.
For now, the real issue is "how to open this boiling pot in order to get the coffee ?" it's doable but seriously perilous...
Can you add another pressure relief hole to the lid on the edge
Yeah, I already moved it to the edge because the coffee tends to flow through this top hole and is then trapped in the trench.

This coffee pot is doable on the field with one knife (even after drinking the 3 beers).

oh yeah.... I agree, the famous seattle one is a wonderful coffee (for little girls :lol: )

oops56
Posts: 1920
Joined: Wed Sep 19, 2007 11:31 am

Re: Off-topic Lightweight Espresso Machine

Post by oops56 » Wed May 18, 2011 11:37 pm

here is a old type coffee making
http://youtu.be/9MQJetQUFAs
Man play with fire man get burnt

oops56
Posts: 1920
Joined: Wed Sep 19, 2007 11:31 am

Re: Off-topic Lightweight Espresso Machine

Post by oops56 » Wed May 18, 2011 11:46 pm

ok this one is a real espresso maker
http://youtu.be/or_Pf9X8gu4
Man play with fire man get burnt

nikos
Posts: 32
Joined: Mon Apr 25, 2011 1:05 pm
Location: Taiwan - France

Re: Off-topic Lightweight Espresso Machine

Post by nikos » Thu May 19, 2011 12:43 am

Thanks oops ! Nice collection, are they yours ?
The first one is very inspiring. The things has to be reverse upside down, if I am right. I like the idea.... :idea:

Post Reply