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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Another exploding cigar??
Date: Thu, 22 Feb 2007 08:07:52 -0500
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Than you have more room to install a good size muffler like Ed and  
Tracy. They will know what works best.
Buly

On Feb 22, 2007, at 8:03 AM, Allen Slominski wrote:

> Buly,
>
> It's a BD4, tractor.
>
> Allen
>
> Bulent Aliev <atlasyts@bellsouth.net> wrote:
> Allen,
> The plane you are building will make difference in your exhaust
> options. Tractor or pusher?
> Bulent "Buly" Aliev
> FXE Ft lauderdale, FL
> http://tinyurl.com/dcy36
>
> On Feb 21, 2007, at 9:48 PM, Allen Slominski wrote:
>
> > Ed,
> >
> > I'm a newby to the rotary, but I understand that the temps are
> > pretty outrageous also. Somethink like 1700 to 1900 degrees F.
> > Does anyone have a spec or detail for exhaust systems? Mufflers
> > would be nice also.
> >
> > Allen Slominski
> > Houston, TX
> >
> > Ed Anderson wrote:
> > Hi Dave.
> >
> > Basically, the Swiss muffler is attributed to the tough noise
> > abatement rules of the Swiss government for aircraft - including
> > small GA and experimental. Tony Bingelis who wrote a column of
> > "How to" for Sport Aviation for years included it in one of his
> > books "FireWall Forward"-Page 112.
> >
> > The muffler (as shown in his book) was an aluminum tube 3 1/8" in
> > diameter about 4 -5 feet long. A stainless steel mesh was rolled
> > into a smaller diameter tube to be stuck in the middle after
> > fiberglass cloth was wrapped around the mesh tube. This was all
> > stuffed in the 3 1/8" aluminum tube making a very light weight and
> > effective muffler. Sort of a light weight glass-pack muffler.
> >
> > It was then hung under the belly of the aircraft.
> >
> > The problem for the rotary is that the exhaust pulse will pulverize
> > fiberglass (or almost anything else in short time). Again, the
> > problem is not the heat its the power of the exhaust pulse.
> >
> > Hope that explained it.
> >
> >
> > Ed
> > ----- Original Message -----
> > From: david mccandless
> > To: Rotary motors in aircraft
> > Sent: Wednesday, February 21, 2007 6:44 PM
> > Subject: [FlyRotary] Re: Another exploding cigar??
> >
> > On 22, Feb , at 6:29 AM, Ed Anderson wrote:
> > Thanks, Jason.
> > My experiments with the Swiss muffler did not work out -
> > Ed
> > Hi Ed,
> > could you explain "Swiss" muffler?
> > TIA, Dave
> >
>
>
> --
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