I have someone that can cast magnesium. Does anyone have a better design that they have been thinking about to make the fan more efficient? If I can come up with a design we may be able to get a new style fan made. HANDY CAR CARE Ken Hand 97 Peach Pontiac, Mi.,48342 248-613-8586 65 Corvair, EP, #22 WWW.CORVAIRMECHANIC.COM