Could be an impeller fan, though there are an awful lot of blades. The way the central hub widens out toward the bottom makes me think that. Or maybe a heat sink, a larger version of the ones on the X wing guns?
I wish they were scratch built, though I sure wouldnt look forward to making eleven of those things. The bell shaped inner core and double decker fin set up with the lower fins being V shaped (fatter at the outer ends) tells me that this is an off the shelf mechanical part from maybe a home apliance or something like that.
Yeah, I know I'm going to end up scratching these things. I was just hopeing to be pointed in the right direction to finding out what they really are. I miss that AH HA... moment when after a long search, you finally find that oh so elusive part.
IGV who to a TF-333 what? :confused Had to google that one. The veins are straight front to back so that rules out rotors or blades. My guess is its something really lame like a coffee filter of some sort. Someone could always just ask Grant McCune HAH.