8-O Who needs a cyclone and filter. With a 100hp, 28" blower, you can aim it up at 45 degrees and link the nozzle to a weathervane. Dust will wind up in the next county. . .:lol:
http://www.irsauctions.com/popups/bidders_paddle.asp?lot=59426&auction=CMCZ631PYABM9MWEI4P2E32JLVVUN3&id=9782