Mailing List flyrotary@lancaironline.net Message #40396
From: Ernest Christley <echristley@nc.rr.com>
Subject: Re: [FlyRotary] Re: Cowling Airflow
Date: Fri, 16 Nov 2007 09:24:20 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Lehanover@aol.com wrote:
 
In a message dated 11/15/2007 11:30:27 P.M. Eastern Standard Time,  DLOMHEIM@aol.com writes:

I also was wondering if there might be some advantage during ground  operations and climb out if I install some kind of door as seen in the  diagram...
 
Doug Lomheim
RV-9A, FWF...contemplating the placement of  stuff... As in race cars, with cowl induction for the carburetor, you will find high  pressure air in front of the windshield base. Probably lower pressure along the  sides of the cowl might work.   
Lynn E. Hanover    
Taking that into account, you could turn the door around and counter-weight it.  The high pressure in front of the windshield will push the door closed in flight.  Counter weight it such that the updraft created by the heat is just enough to push the door open.  When the engine cools, the door will fall closed again.  I've heard of it being done, but I can't remember where.  Place the door above the dipstick for a little more convenience.
Subscribe (FEED) Subscribe (DIGEST) Subscribe (INDEX) Unsubscribe Mail to Listmaster