Originally Posted by 69427
I agree, but it just seems to me that a turning mechanical fan is going to block less air than a non-turning electric fan. (I can't easily prove it at the moment though.)
As I understand 12 fans - unless you lock it mechanically/electrically - it will free wheel (spin) without being "on". Minor - nearly immeasurable drag there I'd think.
Cheers - Jim (aka - Jimmy)