At 09:45 AM 5/9/2006, you wrote: >I should have paid attention before. Understanding the NACA duct >design clearly calls for the pipe to enter at the narrow end and the >exhaust to exit at the wide end. >Larry Severson ++++++++++++++++++++++++++++++++++++++++++++++++++
As I recall, and you can read Mark's site for clarification, Mark's plan was to take the low velocity cooling air and re-accelerate it to merge with the slipstream air for less drag. Hence the reversed NACA duct. Larry Flesner
