140RX Exhaust setup

[Scott Smith]

Thanks for the info Anthony.  This winter's project is a pair of Patriots
tailored to the 2 stroke (I'm getting my money’s worth out of those plans!)

-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of Anthony Romano
Sent: Tuesday, October 12, 2004 8:43 PM
To: discussion at nsrca.org
Subject: RE: 140RX Exhaust setup


Hi Scott,
I am running around 25 1/2" to  the baffle on the shorty ES pipe. Don't know
the overal length but it just fits in my Hydeaway. I cut the Mac's header a
few inches after the bend and then used a piece of an old Al wing tube to
give the extra. Had two pieces of the Aerotrend coupler and zip ties. Held
up over three hundred flights now playing with the Macmaster-Carr teflon.

Whatcha buildin'?

Anthony

>From: "Scott Smith" <js.smith at verizon.net>
>Reply-To: discussion at nsrca.org
>To: <discussion at nsrca.org>
>Subject: 140RX Exhaust setup
>Date: Tue, 12 Oct 2004 17:38:46 -0400
>
>Hi All,
>
>
>
>I’m looking for some advice on setting up a OS140RX exhaust system.
>
>
>
>I have purchased the ESD2C140M8 pipe.  I’m now thinking this was not a good
>choice as I just learned the Mac header will be 7/8” OD matching up to the
>3/4” inlet.   Will this be a problem restricting the exhaust flow, or
>mating
>a coupler?
>
>
>
>Also, how are you getting the frequently quoted 24.5” between the plug and
>first baffle?
>
>
>
>The pipe is 27” overall, with the first baffle at 13”.  I believe the Mac
>header will be about 7” .  So should  I really have a 4” gap between the
>pipe and header?  (Which in turn would put the pipe stinger right around
>the
>tail wheel!<g>)  I molding a tunnel so I need to anticipate approximately
>where the stinger will exit.
>
>
>
>Thanks for any advice,
>
>
>
>Scott

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