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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Exhaust Update
Date: Mon, 9 Oct 2006 18:45:12 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>


Bulent "Buly" Aliev
FXE Ft lauderdale, FL
  http://tinyurl.com/dcy36


On Oct 9, 2006, at 6:17 PM, Al Gietzen wrote:

>
> Which photos?  There were 5 or so pics attached to the first =20
> message. Did
>
> you get those?  What else you want pics of - I'm headed up there =20
> today or
>
> tomorrow??
>
>
> Joe
>
>
> Joe;
>
> There was something peculiar about your first message =96 delivery =20
> here was delayed by several hours.  Maybe Buly will eventually get =20
> it also.  Probably the hyperspace police had to analyze it first.
>
>
> Some photos of the support and heat shielding would be very =20
> interesting.  Also, what material(s) are used.
>
>
> You also said: Obviously the Tangential muffler sucks (actually =20
> blows) when it comes to performance! WAY too much back pressure.
>
>
> I=92m thinking this may be too much of a generalization.  The =20
> performance of my 20B measured on the dyno (quite good) was with a =20
> tangential muffler; although with some differences.  I added =20
> internal angled vanes opposite the headers to avoid something =20
> called =93swirl flow choking=94 which I though might be a possibility. =
 =20
> Maybe I was right.  Also, the exit end on mine is conical with some =20=

> internal vanes to straighten the flow and reduce the pressure drop =20
> due to the sudden contraction.
>
>
> Perhaps with these differences the tangential muffler doesn=92t suck =20=

> =96 but just blows.
>
>
> Al
>
>