I remember seeing some posts that referred to how to build a watermaker using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.

"Investcom" wrote
I remember seeing some posts that referred to how to build a watermaker
using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

You might want to check out the DIY RO system I built. It is on my web site
under the Systems page. It is engine driven and I have about got the
electronics worked out (I hope) and will be getting the final PCBs etched
soon.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com

Your site gave incredible info on watermaker making (will read the
rest later as well). I had been looking at commercially available
units for my own boat project and now I am considering a custom diy
system.

Thanks for the info!

Weebles Wobble
(but they don't fall down)

On Mon, 15 Nov 2004 13:38:44 -0500, "Glenn Ashmore"
wrotf:

"Investcom" wrote
I remember seeing some posts that referred to how to build a watermaker
using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

You might want to check out the DIY RO system I built. It is on my web site
under the Systems page. It is engine driven and I have about got the
electronics worked out (I hope) and will be getting the final PCBs etched
soon.

do a google on "brent swain".

I remember seeing some posts that referred to how to build a watermaker using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.







I remember seeing some posts that referred to how to build a watermaker using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.

Brent has some good ideas but he is a bit to basic for me. I want a R/O
system to be close to a utility. That is, to provide a reliable supply of
fresh water with a minimum of maintenance. His philosophy cuts a few to
many corners for my taste.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com

"JAXAshby" wrote in message
...
do a google on "brent swain".

I remember seeing some posts that referred to how to build a watermaker
using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.







I remember seeing some posts that referred to how to build a watermaker
using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple
watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.

On 15 Nov 2004 18:11:01 GMT, (Investcom) wrote:

I remember seeing some posts that referred to how to build a watermaker using
some reasonably available motors, etc.

I neglected to print that info out, but now that I know how simple watermakers
are I would greatly appreciate it if someone could point me to it.

Thanks in advance.


This is the first page of many when searching google on NEWGROUPS with
keywords build a watermaker

Brian Whatcott Altus OK


################################################## #######
Watermakers - pumps this time
.... To my way of thinking, you can build a watermaker pump that will
last for ever if you are willing to pay for it or you can use a much
less expensive pump and ...
rec.boats.cruising - Oct 24, 2001 by Glenn Ashmore - View Thread (2
articles)


Watermaker opinions
There is a an extremely good article on how to build your own
watermaker in the Jan/feb) issue of "Good Old Boat" magazine
(www.goodoldboat.com). ...
rec.boats.cruising - Mar 14, 2003 by Steven Dubnoff - View Thread (23
articles)


Watermaker usage?
.... the control panel. I have made up a parts list with sources and
prices and will file it away until I am ready to build. The final ...
rec.boats.cruising - Aug 27, 2001 by Glenn Ashmore - View Thread (31
articles)


Roll your own watermaker
.... He sent me an e-mail the other day about watermaker components.
.... last night and a couple of phone calls this morning and here is
what I found to build an 1000 ...
rec.boats.building - Aug 13, 2001 by Glenn Ashmore - View Thread (14
articles)


Watermaker experiences - good & bad
.... But as with all DIY projects, if you can build it you can probably
fix it. ... Turn on the engine or genset. Crank up the watermaker. ...
rec.boats.cruising - Sep 7, 2001 by Glenn Ashmore - View Thread (38
articles)


Watermaker for sale on EBAY - courtesy of Glenn & Jim
How come no matter how many you save, you never have the one you need?
:-( Home Depot has build an empire on this little understood fact of
life. ...
rec.boats.building - Nov 8, 2003 by Fred Williams - View Thread (9
articles)


Cost of water
.... build up. Maintenance cost has been 0 as well, even filter
replacement. We have the normal filter and a silty water one, which
allows us to run the watermaker ...
rec.boats.cruising - Oct 17, 2001 by Rick Morel - View Thread (69
articles)

The salinity of the water determines the pressure required, not the size of
the membrane. The process is called reverse osmosis so the pressure has to
be higher than the normal osmotic pressure. That means you need over 800
PSI. For drinkable but not totally salt free product the pressure can be a
little lower. The PUR hand pump does that with a very small piston on a
very long lever. The PUR 35 is rated for 1.2 gallons an hour at 30 strokes
a minute but it is very hard to keep up that rate for more than 10 or 15
minutes. That is fine for an emergency but for only a little more than the
$1,500 price you can build a powered system that will produce 22 gallons of
very pure water an hour.

In theory you could build a manual system with a 20" membrane, a length of
stainless tube and a $100 manual hydraulic pump but the basic materials
would cost about $500 and it would require a lot of machining. Also high
pressure salt water is very corrosive a steel pump intended for hydraulic
fluid will not last very long.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com