----- Original Message -----
Sent: Wednesday, February 28, 2007 2:01
PM
Subject: [FlyRotary] Re: Pinched ducts
was : [FlyRotary] Re: cowl openings for water radiators
This slide shows a diagram of the boundary layer
in the duct and the pressure gradient opposing it leading eventually to
separation and turbulence and general lowering of cooling
capability.
Ed
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