You might try "Vettermans". They make all the custom exhaust systems for RV
planes. Perhaps they've experimented with Rotax engines, but I don't have
any direct knowledge of that. I do have personal experience with them for
my RV, and they're good people to work with.
Garry Stout
914 Trigear, & RV7A
----- Original Message -----
From: "JEFF ROBERTS" <jeff@rmmm.net>
Sent: Saturday, January 24, 2009 10:48 AM
Subject: Re: Europa-List: Re: Exhaust Question
>
> Okay I get and understand this. However on some other light planes I've
> seen the 912-S with smaller or different looking mufflers. My question
> is... Is there another type of smaller muffler that could be an option? Or
> could straight pips be tuned in some way for the right amount of back
> pressure for this engine? Has anyone heard of this being done for the
> rotax?
>
> Always curious.
>
> Jeff R.
> A258 - N128LJ / Gold Rush 176 hours and climbing slowly.
>
>
> On Jan 24, 2009, at 8:23 AM, rampil wrote:
>
>>
>> Internal combustion engines are very sensitive to exhaust gas pressure.
>> In operation, the cylinders put out large pulses of pressure and want to
>> clear
>> the contents of the exhausting cylinder as quickly and easily as
>> possible.
>> Quality exhaust systems and mufflers are designed to minimize the
>> oscillations in back pressure which would interfere with emptying a
>> cylinder.
>> See: http://cafefoundation.org/v2/research_reports.php
>> for some specific aircraft exhaust system information
>>
>> --------
>> Ira N224XS
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=226524#226524
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
|