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Hand Pump
On Thu, 30 Apr 2015 21:21:04 +0100,
Bob Hobden wrote: Have you thought of a Solar Powered Pump? The answer is (surprisingly for myself) YES. The trouble is that I only know what I could find on the Web, and on people with real knowledge. For the time, I consider solar powered pumps too “exotic”. In our sparsely populated area you will find about zero experience with this technology. Not sure what head they will draw up but I know one gardener on our allotment site uses one to draw water from the river that runs alongside which is at least 6ft down. During the driest period that I have seen in Normandy (there weren't many), the water level in our well was at about 4 meters (13.12ft) below ground level. The total depth of the well is 7.40m (24.27ft). There may be a lot of mud at the bottom which I should get out some day. Only submersible pumps can lift water from a depth of more than about 7.40m. The solar pumps that I can find information about, are meant to work on shallow wells or, in deed, springs and rivers. But there is another system which is a little more interesting: We often pass pastures where water pumps are more or less continuously driven by windmills and thus ensure that the kettle always has some water at its disposal. But upon taking a closer look at the pump, it just looks like any ol' hand pump and not even the rotary type. I will not go so far as to install a windmill, though. We rather want a wind power-station some day and be even more flexible that way. A solar pump, however, could pump water from a voluminous rain-water cistern. We won't do everything... ;-) Michael -- Location: Lower Normandy (Orne), France GnuPG/OpenPGP 4096R/3216CF02 2013-11-15 [expires: 2015-11-15] sub 4096R/2751C550 2013-11-15 [expires: 2015-11-15] [Next key will use elliptic-curve algorithm! :-) Get GnuPG!!] |
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