The KISS is a simple design, with many parts available from harware and auto supply stores word wide.
Hurricanes: Take the blades off! Or not – I sell several blade sets every hurricane season. It’s so easy – just hold the blades and turn the shaft clockwise using an adjustable wrench or vice grips. After removal, tie a rag around the shaft where it comes out of the housing. This will prevent wind-blown water entering the housing.