Well, you need a skirt

Subject: Well, you need a skirt
Name: ludicrous
Date: 4/25/2001 11:18:02 PM (GMT-7)
IP Address: 138.67.74.229
In Reply to: Nah. posted by HalOfBorg
Message:

around the top half of the heatsink for that to work well. That way you pull the air from around the hot base and up across the fins.