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I can’t tell any performance
difference using the full throttle collector vs the HP2 resonator. Engine
sounds different but not any louder. May even be quieter in cruise. The muffler
does not have any build in heat shielding like the “cool can” HP2.
My muffler is mounted on the belly about 2.5” - 3” below the bottom
skin. A CHT wire fixed with aluminum tape has shown skin temps as high at 160F in
some flight conditions but usually no more than 130F.
http://www.dnamufflers.com/DNA/full_throttle.html
Bobby
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Tracy
Sent: Friday, April 22, 2011 8:02
AM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Re: DNA
Mufflers No Longer Available
Just from memory, I
thought the DNA mufflers 'sucked'. What was your experience Mark?
Tracy
On Fri, Apr 22, 2011 at 12:30 AM, wrjjrs@aol.com
<wrjjrs@aol.com> wrote:
Mark, do you recall how much they were getting for them? I
was considering making some in our sheet metal shop at work.
Bill Jepson
Sent
via DROID on Verizon Wireless
-----Original message-----
You better grab the 3.5" unit while it is still available.
You can get a reducer from Burns Stainless.
On Wed, Apr 20, 2011 at 9:28 AM, Steve Thomas <glasair2@me.com> wrote:
Here is a response from the people who make the DNA mufflers.
Apparently they are discontinuing distribution of the muffler and it is
no longer available in the USA,
for all practical purposes.
Best Regards,
Steve Thomas
_______________________________________________________
Date: April 20,
2011 7:16:59 AM PDT
Subject: RE: Where to Find?
Hi Steve,
We don't offer the Full Throttle Muffler in a 2.5" inlet, the smallest is
3", but I only have 3.5" & 4" in stock. You could use
a reducer for the 3.5
to 2.5 but you would have to get that from a muffler shop. You won't find
the mufflers in the US
as we are not actively pursuing manufacturing or
distribution of these mufflers. We are selling down the inventory that we
have, but we are not producing any mufflers at this time - the demand is
just not there.
Colleen
-----Original Message-----
From: Steve Thomas [mailto:steve@stevet.net]
Sent: Wednesday, April 20, 2011 8:11 AM
To: info@dnamufflers.com
Subject: Where to Find?
Is it possible to get a Full Throttle Muffler with a 2 1/2 inch
inlet/outlet? If not, do you have a transition piece to move from 2 1/2
inch to 3 inch? Also, I'm having a hard time finding much of a selection
of
DNA mufflers at the locations listed on your dealer list. I'm in the USA,
and would like to find an internet site that has a wide selection of your
products. Thanks.
Best Regards,
Steve Thomas
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