From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [FlyRotary] Re: ROTARY POWERED ZENAIR ZENITH
To: flyrotary
Date: Tue, 24 Dec 2002 18:23:03 -0500
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Posted for "Peter Cowan" <cowcam@pipcom.com>:


> The photo does not show this but up close to the engine, my exhaust is
made
> of industrial type water
> pipe from Canadian Tire. 2" o.d. Thick wall steel and heavy but long
> lasting.
> I used the Racing Beat exhaust flanges as a model and made up a 3/8 or 1/2
> inch thick
> steel flange to which are welded the first pieces of  2" o.d. water pipe.
> From there the other pieces are screwed in: nipples, lenghts and bends, 45
> and 90 degrees bends, as needed. From the exhaust flange going down and
> rearward, I
> have about 12" long of these bends and pipes. The 2" i.d. flexible SS
> tubings slip over the last 4"  of pipes and is held in place by the
exhaust
> temperature probes and their clamps.

Yvon, that is very resourceful of you. It never occured to me during all
this talk of stainless and Inconel. I may use some in testing this manifold.
Did you use black(bare) or galvanized? So if it is 2" od it must be called 1
3/4? I didn't realize there was such a size. It isn't 2" ID is it?
Peter