Here is how I envision this all working:
Here is the brewery in travel mode. All kettles nest, chiller in pots, and burner folded up.

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When he gets to my house, he will unfold and un-nest the kettles and burner, then he is setup! Much easier than my setup!!!!
1. Heating the strike water and sparge water. The full volume of water will be heated to temp in the BK because the HLT is likely to small for many beers.
2. Doughing in and mashing. During the mash, the second sparge volume with be transferred to the HLT and brought back to the desired temperature. The first sparge volume is left in the BK where it should remain at the proper temperature.
3. To sparge, first the first sparge volume is added from the BK. The mash is stirred, vorlaufed, and drained back into the BK.
4. Second sparge. The second sparge volume is then added from the HLT. The mash is stirred, vorlaufed, and drained fully into the BK. All runnings should not be collected.
5. The boil is pretty standard.
6. So is chilling.
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When I initially brought up the nested pot idea, it was shot down mainly because we could not figure out how to move the hot fluids. My solution is to use a copper (or stainless) siphon tube as shown above. It will run down the side of the MLT and under the FB. To start a siphon, he will use one of
these:
A few quick pumps and he will be off to the races, and still be able to nest the pots!
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Well? What do you all think? Is this a good design, or a bust?