Drew, here is a link that I found on one of the RC threads regarding the modifications to the impeller.
http://www.randystacye.com:80/diythreadwheel.htm
I wonder where I'd go to pick up that fancy "PF5" mesh material? Is it at Home Depot, Home Hardware? If so which section? If I find the stuff I might have the guts to start choppin'er up
.
Terry