Mailing List flyrotary@lancaironline.net Message #48508
From: Jeff Whaley <jwhaley@datacast.com>
Subject: Re: Zenith 801
Date: Mon, 5 Oct 2009 11:10:27 -0700
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>

George Lendich wrote: 

“I'm still trying to get my head around those kick-outs on the

aft end of the rad outlet. I'm trying to confirm WHY they work - anyone got any suggestions.”

 

George ( down under)

 

Hi George, those kickers are the same as a cowl lip, seen on most 100-120 mph tail-draggers – they protrude into the airstream to generate a low pressure area behind them, in this case behind the radiator exit plenum to assist the airflow through the cooler.

Jeff

 

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