[Elecraft] K3 Fans with the 100w kit.

[paul at n4lcd.com]

>Hi Charlie,
>
>Mine blows out the rear, which I feel is correct, though it goes
>against conventional "warm air rises" logic.
>
>If for no other reason, dust would be "inhaled" into the cabinet
>if they were configured to "inhale" from the rear.

If they inhaled from the rear, then the sharp edges would be easy to 
touch, and cut you.

If they exhale from the rear, the sharp edges won't cut you.