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-   -   Manifold Layout (http://www.homebrewtalk.com/f51/manifold-layout-183678/)

MadSkeletor 06-23-2010 02:20 PM

Manifold Layout
So I'm converting my rectangular cooler into a MLT. The cooler is a little different in that the bulkhead is in the middle of the long edge, not the short edge. I tried reading Palmer's stuff on manifold layout and design, but all of the science and flow rate stuff is over my head. http://www.howtobrew.com/appendices/appendixD-1.html

Here is a crude drawing for how I am planning on doing the layout.

My MS paint skills are extraordinary. I was planning on connecting it to the bulkhead at point A, but I'm a little worried that it will effect all of the flow rate stuff, like will it cause more water to be drawing along that first pipe instead of equally across all 3? Should I instead connect it to pipe B or C? Or should I add some vertical slots in between the long pipes to break it into a grid more? If I fill up my cooler with water and drain it, is it easy to tell if you have channeling going on?

I'm having a lot of fun messing around with this stuff and can't wait to get started on my first AG batch. My wife is amazed that I'm spending all this time doing handy-man type stuff, although that probably doesn't bode well for me in the future as she'll make me try to fix more things around the house now, heh.

Homercidal 06-23-2010 02:25 PM

I have mine on the short edge, and use a flexible hose to reach the middle part of the manifold. I don't think I'd put it on the outside edge if I could help it.

Do you think you could put the T in the center crosspiece and reach the spigot without the outside part of the manifold getting in the way?

MadSkeletor 06-23-2010 03:28 PM

I don't think so. The channel that the bulkhead is in is not very long, so if I had to go to the center crosspiece I'd have to probably jog it above the "A" crosspiece and back down to the bulkhead. Otherwise "A" would be resting on the pipe and it wouldn't lay flat.

I can do it that way though if it won't be a problem that it has to go up a little to get over the A crosspiece.

Is your cooler similar to mine where the bulkhead rests in the middle of the long edge instead of the middle of the short edge?

What do you think about adding more vertical pipes? Is that necessary?

wildwest450 06-23-2010 04:51 PM

The way you have it is fine. Mines the same way and has worked great for the last 45 batches. I would remove the center line and replace with 2 vertical lines.


Beer_Guy 06-23-2010 06:03 PM

I looked at the next page in the How to Brew - Appendix and thought I might through a quick drawing together to make yours work better. I am not sure if you can get X fittings, so I did a drawing both with and without them.


Edit: I added the 2 vertical lines idea. (CRTL-F5 to update your proxy server if needed.)

Homercidal 06-23-2010 06:16 PM

Out of those choices, I'd go with the last one.

MadSkeletor 06-23-2010 06:19 PM

Thanks. I'll swing by the hardware shop tonight and see if they sell X or Cross fittings, I don't remember if they do or not. I ended up buying way more CPVC pipe than I needed so I'm not worried about trying a bunch of different configurations.

I was going off of http://www.homebrew.com/articles/article09130301.shtml for supplies and I didn't realize he was also making a sparge sprinkler, and I'm just going to batch sparge.

MadSkeletor 06-23-2010 06:23 PM

If I go with the vertical lines design should I also make sure there are more vertical lines? So that the distance between pipes = x and the distance from the edge to the wall = x/2? My cooler if I remember correctly is 21 inches long. When I was doing the ladder design from the original picture I had 2 inches between pipes so 1 inch between the wall.

Homercidal 06-23-2010 06:28 PM

I drew up a nice layout in SolidWorks, but I think this crappy workstation has caused it to lock up when running the weldment rebuild. It's probably just going to take a few minutes for this.

Anyway, what I had in mind was 2 square areas, one on each end, and connected by a pipe in the center, running across. You can then place a fitting in that cross piece and connect it with some flexible hose to the spigot. You may want to add a crosspiece to each square, running either direction.

Beer_Guy 06-23-2010 06:31 PM

I like the last one myself, but not knowing the actual dimensions of your cooler, I might add 4 to 6 vertical tubes.

Check out the next page on How to Brew appendix to better explain why.

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