tag:blogger.com,1999:blog-6120586935905234915.post6383311703140623661..comments2024-03-24T00:09:55.586-05:00Comments on The Field Lab: Fluid DynamicsJohn Wellshttp://www.blogger.com/profile/12783305402239706779noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-6120586935905234915.post-34945375521413686432016-12-01T02:21:40.904-06:002016-12-01T02:21:40.904-06:00If you located the on demand pump (which could als...If you located the on demand pump (which could also be configured to operate as a recycle pump)close to ground level, perhaps it could be piped up to take suction from either the elevated reservoir ( when operating to supply hot water for the shower ) or from one of your storage tanks ( to fill the reservoir initially ). Might be easier. I follow and applaud your individualism, initiative and ingenuity intermittent marathonian 00https://www.blogger.com/profile/13111701453284760139noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-57110264867337827972016-11-30T09:23:39.142-06:002016-11-30T09:23:39.142-06:00Good news, I did not see any leaks. Is that where ...Good news, I did not see any leaks. Is that where the algebra we learned and never used comes in?Margery Billdhttps://www.blogger.com/profile/05589667608391862832noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-83068173365215724152016-11-30T08:48:50.338-06:002016-11-30T08:48:50.338-06:00Using it indoors is probably not a good idea - the...Using it indoors is probably not a good idea - the exhaust is pretty hot. As for mounting it lower - I am pretty sure Bernoulli would suggest while the inlet pressure may increase by locating the heater low - the overall pressure will stay the same since the water would have to be pushed higher to come back up and out of the shower head.<br />Stay tuned - the next test will be with the on-demand pump I already have. <br />As for maintaining the level in the tank...there is a sight gauge on the side. (http://thefieldlab.blogspot.com/2014/08/other-plumbing.html) If the tank gets below 3/4, then I use a small transfer pump to fill it quickly. Because I only use about 5 gallons per shower, I usually just top of the tank manually just before each use by pouring it in through a funnel mounted on an inlet on top. http://thefieldlab.blogspot.com/2013/01/getting-behind-catching-up.htmlJohn Wellshttps://www.blogger.com/profile/12783305402239706779noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-17799049581175836772016-11-30T08:13:01.783-06:002016-11-30T08:13:01.783-06:00Try mounting it a low as you can to get gravity to...Try mounting it a low as you can to get gravity to help.<br />How hot is the exhaust? I know it is designed to be used outdoors but I have heard of people mounting indoors. Your thoughts?Off Grid Researchhttps://www.blogger.com/profile/09929571507373542943noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-5518218568981634082016-11-30T03:15:58.090-06:002016-11-30T03:15:58.090-06:00the interesting thing - is when you see one of the...the interesting thing - is when you see one of the large water towers that provides high pressure water to thousands of people - it's fed by a tiny pump.. it's the height that provides the pressure.<br /><br />Larry Ghttps://www.blogger.com/profile/02282254026681944326noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-12239810421515471552016-11-29T22:31:31.966-06:002016-11-29T22:31:31.966-06:00You might want to consider pumping from the reserv...You might want to consider pumping from the reservoir through the heater and then back to the reservoir. Tee off from the pump discharge recycle line to your shower head. As long as you take less from the pump discharge line than the total discharge rate of the pump, you won't starve the pump suction. How do you establish and/or maintain the level in the reservoir ?intermittent marathonian 00https://www.blogger.com/profile/13111701453284760139noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-26298574340338640302016-11-29T22:26:33.335-06:002016-11-29T22:26:33.335-06:00Could you use a portable air tank to pressurize th...Could you use a portable air tank to pressurize the column? As the pressure dropped off you could time it in rate of usage...thus as the pressure goes down and temp goes up you could meter your water usage. Deacon75https://www.blogger.com/profile/02610733693613676121noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-15147292104734608212016-11-29T20:52:36.539-06:002016-11-29T20:52:36.539-06:00What Barney said, the only way to increase input p...What Barney said, the only way to increase input pressure is increase height of the supply.<br /><br />Maybe tee the output and inject a larger diameter cold water stream into the hot water flow to cool it off and increase flow?<br /> <br />DonDonhttps://www.blogger.com/profile/15630629208982525539noreply@blogger.comtag:blogger.com,1999:blog-6120586935905234915.post-50730881349174527732016-11-29T19:59:21.652-06:002016-11-29T19:59:21.652-06:00Roughly 2 feet of water column is 1 psi. You just ...Roughly 2 feet of water column is 1 psi. You just need a little higher supply.Barney, The Old Fat Manhttps://www.blogger.com/profile/14242837062100545160noreply@blogger.com