Randy,

   You asked:
 
> 1. I am building a Cozy MKIV.  It uses an NACA scoop embedded in
> the belly to provide cooling air.  I am thinking of not building the
> NACA scoop as I plan to use some sort of Meredith effect scoop/plenum
> (ala the P-51) for cooling.  Thoughts?

   There are flyers who have successfully used each approach.  For example, John Slade gets adaquate cooling
with a NACA scoop; and, the last time I looked, Perry Mick
was using a P-51 style scoop on his Ducted Fan L-EZ.

Dale R.
COZY MkIV-R13BNA #1254
Ch's 4, 5, & 23