Revvy: From reading other posts about "mill-in-a-bucket" systems, I decided on a big chunk of wood, a two-by of some kind, would be best. So I just hacked out a semicircular piece of 2x6, and notched the center of the curved side so that the back of the mill would clear the bucket wall. This means you can't use the manual handle in the bucket.....but that wasn't part of the plan anyhow.
The wood had to be trimmed up a bit, because I'm lousy at carpentry, and the only way I could think of to get a good template was to use a pencil and draw around the bucket rim. I tried to make the piece of wood smaller (because the bucket tapers), and it came out pretty crude....but not more so than the Corona / Victoria mill itself. I used six #10 x 1" screws and washers to attach it to the bucket wall, and that worked fine. I'm assuming that the 5 gal. Pratt & Lambert paint bucket I used is "standard," and placed the screws 8.5" down from the rim of the bucket, which makes the top of the 2x6 piece of wood 7.75" down from the rim.
The biggest problem with the original plan is that the bucket with the drill in it tends to get stuck in a bucket that you put it in. There are several obvious ways around this, but I haven't decided on any one yet, so I just milled my first batch (EdWort's Pale Ale) into a corrugated box with a trash bag for a liner.
A nice thing about this install (although I NEVER thought it would be possible, just looking at it) is that the mill can be assembled / disassembled without taking it out of the bucket.
I used a 2" and a 4" hole saw that I had laying around to make the two 2" holes, one for the drive opening in back, and the other for a drain hole in the bottom. The drain hole might not be needed for a standard 9-11 pound grain bill, but for bigger ones, it would mean draining the grist into another container or having to stop and dump the grist one or more times. I used the 4" saw to make the larger opening in the lid, and then enlarged the opening sufficiently with a utility knife.
Bottom line is that the mount is very solid. I bought a 2.5" bolt to replace the manual crank. This is a metric bolt, .125 thread pitch, I think, but the best procedure is probably to take the thumbscrew that holds the crank in to the hardware store and match the size and thread pitch.
My drive system is just put together out of stuff I have around. I use an extended 13mm socket over the bolt, to a 3/8" drive adapter that chucks into the antique Craftsman 1/2" drill you saw in the pix.
I'm happy with the mill setup. My wort came out 13.8 Brix, which is higher than either of my two previous AG batches, both of which were done with pre-crushed grain. As you can see from the photo, the crushed grain looks as good as anything I've seen in anyone else's pix. A little flour in the bottom of the box, but very little. Wort comes out of the MLT like a firehose.
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