Maybe this will be of some help to a few of you.
DIY Microstrainer:
Nothing too revolutionary from other DIY designs, I think this is a little easier to build than others b/c of the flange used to rotate on, and a simple to build spray bar system.
Simple construction method using ~$40 in parts for VMS drum and parts, ~$31 water pump (692gph, 25watts max) + barrel container and parts.
Drum is from 180micro SS mesh from AES. Attached via 50yr clear silicone to the top rims of 2 5gal buckets (need clamps until silicon sets, also run bead over top when done). Bottom is a 5gal bucket top with a 3" toilet/shower flange. This flange, available from Lowes, is a key part, since it loosely fits over a 2" PVC pipe (made to fit inside 3" PVC)... also because it has and area built in for washers (which can be made from the bottoms of buckets, will fit up to 4 of these, although I am using 3). Attached with SS bolts/washers. The lip on bucket is enough to hold the great stuff expanding foam on. Easily slides on and off 2" PVC pipe for replacement or maintenance. This 2" pvc has small holes drilled in.
Spray Bar system:
In this case, uses a 2100 Rio pump rated for a max of 692gph and 25watts. Spray system creates a fair amount of backpressure. 3/4" PVC leaving pump, tees off to 2 3/4" PVC, 90s are 3/4"to1/2". Arms are 1/2" PVC with slot cut with dremel tool. These slots are very thin for pressure, so will have to keep and eye on them clogging, although water from inside the VMS should be well filtered. Measured in 1" sections on each arm to cut... cut slighly larger for coverage. The arms are only a slight angle toward the screen, to help it turn. In this case from only a small angle untill I could get speed of drum up to 7rpms, not bad for a drum this large.
Drum is large enough to handle quite a flow, 12" by ~40". Way large for only the 3600gph sequence it is supplying. I plan to make another 6-8" tall one for testing also. Have two of the 12" tall ones already, its good to have backups just in case.
Have 2 barrels in place with all plumbing, but only one installed, going since last weekend, today is day 10 of operation. Waiting for another pump to arrive to power the second one, although I may go ahead and make a smaller assembly for the other barrel to test with.