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I have the standard Rotax supplied exhaust system on my 912 iS Sport on a Zenith CH750.

I've noticed one or two installations where the exhaust pipe has been shortened a few inches from its "as supplied" length of about 9 inches (250mm) I guess this reduces drag a little and makes engine cowl removal a little easier, but is there an effect on performance?

 

What are the pro's and con's of shortening it?

  • Re: Exhaust Pipe Length

    by » 3 months ago


    I'd leave it alone. The drag someone complained about would be so minute it wouldn't be a factor. As far as putting the cowl on or off that isn't worth the effort.


    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


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