Date: Thu, 12 Oct 2000 14:32:49 -0700
Author: "Bernard G. Cleyet & Nancy Ann Seese"
Subject: Re: Hydraulic Ram
There's another type (probably not properly called a ram), I saw in very common
use in Utah. It's simply a conical pipe with the large end set in the stream to
"lift", a couple of feet, some water out of the stream over its bank for
William Beaty wrote:
> On Thu, 12 Oct 2000, Russell Lawrence wrote:
> > Greetings,
> > I am thinking of building a demonstration hydraulic ram. I read about them
> > in an AAPT reference and two other books. My question is, where are they
> > used nowadays?
> There is a large, loose community of "off-the-grid" people spread across
> the US. Most of them live way out in the boonies, where power lines are
> way too expensive. Others are 60s children, or are simply self-reliant
> people who don't want to become too dependant on the products of
> civilization such as the power grid. They use solar panels, wind power,
> wood stoves, electric vehicles, and sometimes water turbines if the local
> stream has enough "head."
> Off-the-gridders who get their water from surface supplies rather than
> wells will often use hydraulic rams to lift water up to their homes, or
> simply to pressurize their water supply without having to run an extra
> pump off of their solar panels. "Home Power" magazine frequently has
> advertizements for hydraulic rams.
> For those who don't know, a "hydraulic ram" is a water-powered water pump
> which takes the form of a hydraulic oscillator. It dumps 9/10 of the
> incoming water, while pumping the other 1/10 at high pressure, so you
> can't use these devices where water is a rare commodity. The incoming
> water speeds up, then a valve slams shut and the pulse of high pressure
> drives the water through a one-way valve and into the high-pressure
> resevoir. Then the cycle repeats.
> So if you're way out in the woods and you hear the "chunka chunka noise of
> a hydraulic ram, it could be on the property of a suvivalist, an old
> hippy, a commune, a Y2K believer, or simply somebody's vacation cabin or
> hunting lodge.
> >From the HOMEPOWER advertizers search:
> FOLK WATER RAM PUMPS
> 2770 WHITE CT N.E.
> CONYERS, GA 30207
> RIFE HYDRAULIC ENGINE MFG. CO.
> POB 857
> MONTGOMERY, PA 18936
> THE RAM COMPANY
> 247 LLAMA LANE
> LOWESVILLE , VA 22967
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