I'm considering making a mashtun out of a 60 or so qt. cooler (I already have a Gott Cooler mash tun that I will continue to use for lower gravity beers and smaller batches).
I have seen several set ups that make a copper manifold out of something like 1 inch diameter copper pipe, then slotted. I don't necessarily want to do that b/c I have no experience with brazing and I want to avoid dead space at the bottom of the cooler, if possible.
I recently found something on the internet where a guy made one out of 3/8" or so copper tubing, like the kind you would use hooking up an ice maker or for a wort chiller. The pros seem to be that it would be quite flexible and I could therefore avoid dead space as much as possible and would avoid brazing by snaking the tubing around the bottom of the cooler and then crimping the end.
Can anyone think of cons or reasons it wouldn't work or efficiency issues, etc.?