Thursday, September 18, 2014

technical drawings

here are some drawings of the main parts. these are the only parts you have to manufacture or let some metal shop make them for you.


in my first prototype I  used aluminium, it appeared to be not perfect.  Aluminium takes out the heat of the water way too fast. It is actually a lot better to use stainless steel, that has a lower thermal conductivity: 
              aluminium:  ~ 236. (it cools down the hot water very fast) 
                stainless steel: ~ 20  (it keeps the heat)

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