Mailing List flyrotary@lancaironline.net Message #19289
From: Charlie England <ceengland@bellsouth.net>
Subject: Re: [FlyRotary] Re: Exhaust pipe size for Renesis... for Tracy
Date: Tue, 22 Mar 2005 19:47:24 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
How much effect does the siamesed port have on exhaust tuning? Since a significant % of the exhaust is getting mixed at the port, it would seem to kill the tuning.

Charlie

Tracy Crook wrote:

"Outside" two ports used 1.75" OD 321 SS pipes.  Center "siamesed" port has 1.5" OD pipe.  All ports on Renesis are rectangular so pipe was formed to fit the rectangular holes in the home made flanges.
 
Tracy (still waiting for food flying weather)

    Tracy,
         What size pipe did you use for the Renesis exhaust ports? Also,
    was is round, oval or rectangular.?
              Thanks,
         Bobby Hughes


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