Mailing List Message #67341
From: Les C <>
Subject: Re: [FlyRotary] Re: Wedge diffuser
Date: Wed, 23 Nov 2022 15:09:12 +0000
To: Rotary motors in aircraft <>
Thanks Charlie.  I love the look of Tracy's set up, and if it cools adequately, I'd like to pirate it for my plane.  How did your's work out?

Les Criscillo
Nurse, Pilot, Brewmaster, Maker

From: Rotary motors in aircraft <> on behalf of Charlie England <>
Sent: Tuesday, November 22, 2022 10:49 PM
To: Rotary motors in aircraft <>
Subject: [FlyRotary] Re: Wedge diffuser
On 11/22/2022 8:49 PM, Les C wrote:
While doing some research online, I saw same good pictures of the 20b installation in Tracy's RV-8.  I am particularly interested in the wedge diffuser he used for his radiator cooling.  I've been looking on the mail list, but don't see anything referencing it or any other information about the ducting.  I have been planning on using a ventral radiator with a scoop to provide the cooling I'll need.  I'm building a BD-4 and I may have enough room in my cowling for both the wedge diffuser and cooling for my oil.  Does anyone have thoughts, suggestions or directions?  I've looked for the K&W book, but haven't been able to find it or any copies of it. 

Les Criscillo
Nurse, Pilot, Brewmaster, Maker
Hi Les,

For K&W, go to your local library & ask if they have a lending agreement with an engineering school in your state; the school will almost certainly have a copy. That's how I got access.

If Tracy doesn't see this & reply, I'll  try to send you some info on my attempt to  more or less copy his wedge diffuser.

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