Subject: [harryproa] Even crazier than usual
From: "Gardner Pomper gardner@networknow.org [harryproa]" <harryproa@yahoogroups.com.au>
Date: 10/30/2015, 4:11 PM
To: "harryproa@yahoogroups.com.au" <harryproa@yahoogroups.com.au>
Reply-to:
harryproa@yahoogroups.com.au

 

So, I was thinking about water makers and thinking that there must be a more efficient way, possibly using a vacuum to evaporate the seawater and I ran into this: https://www.google.com/search?q=vacuum+desalination&es_sm=119&tbm=isch&imgil=LDfTKmtLut0viM%253A%253BkINoWqA6s8vqKM%253Bhttp%25253A%25252F%25252Fwww.instructables.com%25252Fid%25252FMultipurpose-Solar-Desalination-Plant%25252F&source=iu&pf=m&fir=LDfTKmtLut0viM%253A%252CkINoWqA6s8vqKM%252C_&biw=1447&bih=766&usg=__OfXKiOgwCSEa7YOvybNUpG6kOuk%3D&ved=0CGcQyjdqFQoTCOS6-6b76sgCFQR0PgodLhQPgg&ei=d8kzVqSjC4To-QGuqLyQCA#imgrc=LDfTKmtLut0viM%3A&usg=__OfXKiOgwCSEa7YOvybNUpG6kOuk%3D

That made me think that sailboats have masts tall enough to create a vacuum at the top, just by the weight of the water. It is possible to run a tube up to the top of the mast, and use the vacuum generated to evaporate the seawater and condense it coming down the other side? 

Could the mast itself be an airtight chamber? They are built very strong to handle the loads; could they handle a vacuum (at anchor only, of course)?

This would probably be a good time to mention how nice it is to have a forum where people don't get flamed for asking idiotic questions <hint>, <hint>

- Gardner

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Posted by: Gardner Pomper <gardner@networknow.org>
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