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From: "William Schertz" <wschertz@comcast.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-5950972@logan.com>
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Subject: Re: [FlyRotary] Duct Fabrication
Date: Sat, 15 Dec 2012 07:14:39 -0600
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I have sent a separate message with an attachment (too big for list) showing 
how I did it. Any questions, please ask.

Bill Schertz

-----Original Message----- 
From: Stephen Izett
Sent: Friday, December 14, 2012 6:33 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Duct Fabrication

Hi Guys

I am about to reinstall the Renesis engine in the Glasair SII and create the 
ducts to the exchangers.
I plan to copy as closely as possible Tracy's 20B setup.
Questions:

1. What is a good process? Shaping foam, sounds good. So how do you then 
seal it before applying glass/epoxy?

2. Tracy, why is your diffuser not a simple wedge? Do you believe you are 
getting a more even pressure to the top and bottom? Have you ever measured 
your pressure distribution?

Thanks

Steve Izett


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