Christopher
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taspilot@cox.net

---- Christopher Owens <rotary@cmowens.com> wrote: Hi all,

Been lurking in this group for a while and thought it might be time  for a question of my own.

I've read through Tracy's exhaust adventures on his web site, in his  conversion guide, and in his Mazda Papers, and note that he's tried  just about every imaginable combination that would fit in his  aircraft.  It seems that the underbody mounted solution is the one  that's seen the most use.  And it probably works best given the  limited space inside the cowl of his aircraft.

But what if one is building an aircraft that has more space inside  the engine compartment?  My friend and I will begin construction of a  pair of Barrows Bearhawk aircraft in pretty short order, and rotary  engines are likely in their future.  There's a fair amount of space  inside the cowling of this aircraft after the engine goes in, the  best that I can tell.  If space permits, is the tangential muffler  the better option for this installation?  I've also considered seeing  if I could use the Racing Beat header and snake some curved tubing  around to meet some exhaust components inside the engine compartment  as well, but don't know if this is an effective solution too many  turns in the system for clean exhaust output.  I'm still doing much  research in this regard.

Elden Yates just finished his rotary Bearhawk and is flying off  hours, as I understand it, but I haven't seen many photos of his  engine installation to see what fits and what doesn't.  Perhaps I'll  be lucky enough to see it at Oshkosh one day.

Thanks and best regards,
Chris (digging through the archives for hints)

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