Originally Posted by
Andrew DiLorenzo
I plan to put mine outside with a short air return to the filter inisde of the shop. Mine will go in a small insulated box that opens for maintenance and chip removal. Remember that duct sizing is critical on the vacuum side of the collector. Too small of a duct chokes off the fan, dust pick-up at the tool falls, and dust can fall out of the air borne suspension on the way to the cyclone. Too large of a duct creates a problem with keeping the dust moving because velocity falls. However, the duct work to the filter can be oversized since that is on the pressure side and any remaining dust should be very small and easy to carry to the filter.