<VV> Fans/.my take

[Chris & Bill Strickland]

JVHR wrote:

>The top shroud is the compressor  scroll. Just like a supercharger, the 
>scroll needs to be a tight clearance to  the compressor blades.
>

So, you engineer types, would changing the size / shape of the top 
shroud or the fan inlet opening, which was designed for the 1960 fan and 
never redesigned, improve the mag fan's efficiency?  Like with a smaller 
opening, could the fan or pulley be effectively changed in size?

Thanks,

Bill S