Good point, Ernest.  Forgot how far forward the inlet was on the ME109 - not
been watching enough late WWII movies {:>).

Ed

Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, June 29, 2004 10:53 PM
Subject: [FlyRotary] Re: BF-109F


> kenpowell@comcast.net wrote:
> > Hi Ed,
> > I have also read this many times but have never seen a boundary layer
bleed on a BF-109.  I have considered method this for my RV-4 and looked at
many pictures of the 109.  Attached is a picture of an 'F' model.
> > Ken Powell
> >
>
> The scoop is right at the the front of the plane.  The boundary layer is
> going to be almost nill there to begin with.  Compound that with the
> fact that the air has been accelerated by the nose curving up, and that
> the nose will be high when the cooling is need the most (climbout), so
> that the air is injested more directly.
>
> The problem with the P-51 was that the scoop was much further back on
> the plane, and the boundary layer had time to grow before it got there.
>
> --
> http://www.ernest.isa-geek.org/
> "Ignorance is mankinds normal state,
>    alleviated by information and experience."
>                                    Veeduber
>
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