10-11-2011
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Senior Member
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Join Date: Aug 2011
Location: Bakersfield CA.
Posts: 100
Rep Power: 1
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Hello sailor,
I see your point. $4,000.00USD is major bucks. Per previous post already built solar panels can be had for around $1.00 USD/Watt. As far as RO systems go, the price for an off the shelf system varies widely. A mono crystalline solar panel does not require a bright cloudless day with tracking to maintain the majority of it's output. With the constant availability of power maybe an evaporative system might be less costly than RO. Food for thought. I agree a person must have a level of handyness.
Quote:
Originally Posted by hellosailor
apogee, no one said you can't do it. Power in has to exceed power out. So, how much power does it take what system to produce 10 gallons per day of potable water from sea water?
An off-the-shelf Katadyn PowerSurvivor can supposedly put out 10 gallons in 3 hours, costs about $4000, requires about 300WH of power to do that. A single 100W solar panel dedicated to that for the midday hours would do the job, presumably allowing a bit more water to be stowed for...oh, wait, wouldn't need to store water for a rainy day. Just the overcast ones. Unless I've got my numbers wrong again. :-)
I guess the question is more like, how handy do you have to be to build that kind of watermaker on a better budget?
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