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JeffNYC · 11-26-2007, 04:27 PM

Does the HLT need to be full to be effective for a HERMS? Is it just too slow if using sparge water (which one has to heat anyway) as the HERMS source?

**Bobby_M** · 11-27-2007, 02:44 AM

Quote:

Originally Posted by JeffNYC

Does the HLT need to be full to be effective for a HERMS? Is it just too slow if using sparge water (which one has to heat anyway) as the HERMS source?

I suppose you could make your wort coil larger in diamter/lower in height so it would stay submerged in the HLT water at lower volumes. You wouldn't want 2/3rds of the coil in open air.

**Bearcat Brewmeister** · 11-27-2007, 03:10 AM

Quote:

Originally Posted by Bobby_M

I suppose you could make your wort coil larger in diamter/lower in height so it would stay submerged in the HLT water at lower volumes. You wouldn't want 2/3rds of the coil in open air.

I think you could get away with 2/3rds of it in the open air if the water was at sparge temperature. 152F wort going through a coil into 170F sparge water - you don't need to have much of the coil submerged. You move the coils up or down into the sparge water tank depending if you are a bit high or low on your mash temp. I've been thinking of building something like this with rungs so I can move the coils up or down in increments based on the mash temp. I also thought of motorizing it with controllers, but first things first.

JeffNYC · 11-27-2007, 06:40 PM

Bobby,

Any chance you are making a video of this project? Would be helpful to see how to put together the propane pipes, set up for the burners, and QDs...

**Bobby_M** · 11-27-2007, 07:54 PM

I certainly will document it in video when I finally get off my ass and start cutting some metal.

tbulger · 11-27-2007, 11:30 PM

What is you plan for a the stand itself? Im going down the road sometime soon too once i get my pump. I was going for something like this guys:
I like the low profile the most. I want to do the QD instead of his valve system. The ball valve being high on the mash tun to be able to monitor flow is a good idea. I also want to direct fire my mash tun. What did you end up doing for a false bottom?

WBC · 11-27-2007, 11:55 PM

Quote:

Originally Posted by Bobby_M

Right on Rob. Sparky, I got the brass ones from Mcmaster with silicone seals. $1.75 for the males, $7ish for the right angle females with hose barbs.

Could you post some part numbers. I am about ready to buy some QD's.

**Bobby_M** · 11-28-2007, 12:01 AM

I kinda ended up with two threads with similar topics though I didn't intend to.
This thread was really more about the liquid flows and grew to more. I then had the "tres kegs" thread to talk about the fittings, brewstand etc... here: http://www.homebrewtalk.com/f11/tres-kegs-44293/

I do like the lowboy stand style which I plan to duplicate. I only intend to leave enough room under the burner for the CFC. I want to be able to stir the mash without bending over or getting on a step stool.

The MLT "filter" is still up for debate. I might try a large stainless braid first to see if I can get it to recirculate. I have my doubts but it's $8 instead of $40.

Disconnects:
Nipple with 1/2" MPT 6739K59
Female straight with 1/2" hose barb 6739K64
..same with an elbow (which I got) 6739K68

**Bobby_M** · 12-16-2007, 04:30 PM

Making some progress. I've had a few different posts about various aspects of the build but I think I'll continue the whole progression in this one.

There was the "tres kegs" post here:
http://www.homebrewtalk.com/showthread.php?t=44293

Basically, here are the vessels:

The MLT will use a simple large diameter stainless braid fitted over a dip tube at least until it proves to NOT work with recirculated mashing.

I designed the stand in Google sketchup:

It's a good design as far as I can tell but making it a reality is much harder than drawing it. Cutting bedframe is a PIA. In fact all metal work is messy and it's something you can't appreciate by watching American Chopper. Here's the stand in its current state.

I have to do all the welding at my dad's house so I only brought it home to clean up my horrible welds. I've never welded in my life so making the metal stick together is my first goal, beauty comes second if ever.

Don't laugh or I'll just repost the pic of Biermuncher's beartrap keggle ;-)

tbulger · 12-16-2007, 05:37 PM

Did that take you two bedrrames?