- Brace yourself!!! 2-cycle pipes and coupler material

[Dowayne Gould]

The Pur-O-Sil heater hose has been used by the trucking industry for years.
If there is a large Truck Dealership near you you can get it there a lot
cheaper than a race/ specialty shop
DEG
----- Original Message -----
From: "Brian Young" <b4598070 at yahoo.com>
To: <discussion at nsrca.org>
Sent: Monday, November 04, 2002 11:43 AM
Subject: Re: - Brace yourself!!! 2-cycle pipes and coupler material

> I also found a source for alternate 2 cycle pipe
> coupler which is a silicone heater hose with a fabric
> brade. It lasts longer than aerotrend. The MFR is
> Pur-o-sil, Bolly uses this material, I found the
> manufacture and got a foot and a half sample for
> "Business Reasons". Anyway, some auto race shops carry
> similar stuff.
>
>
> --- Woodward James R Civ 416 FLTS/TPS
> <James.Woodward2 at edwards.af.mil> wrote:
> > Hey Folks
> >
> >  - Brace yourself!  Those of you that think the most
> > expensive option for
> > equipment is best, you may want to sit down.  This
> > weekend I flew my Phase
> > One with Webra 1.45 R and replaced my very expensive
> > ES 2 cycle pipe with
> > 0.9" inlet, with the less expensive Greve pipe.  On
> > the ground, the engine
> > seemed to run up a little better.  This engine has
> > about 300 flights on it.
> > In the air, it was acting like a new engine
> > again!!!!!!!!!!  This was a VERY
> > pleasent surprise, as the power was
> > 'not-what-it-used-to-be'
> > (understandably).  Still using the 17 x 12 APC
> > (regular blade).
> > Additionally, the "hickup" that was present when
> > throttleing from inverted
> > that was a pain with the ES setup, is now gone.  For
> > instance, when pushing
> > around the bottom of the cuban 8 with 2/4, thottle
> > is smooth without
> > hessitation.  Same with exit of the triangle loop,
> > and exit of the 3 turn
> > spin. - very happy customer.  This was the same pipe
> > I tried first on my
> > Advantage.  That setup, I used the "full-length"
> > MACs header, 1/4 - 3/8"
> > gap, and the "full-length pipe".  That was about
> > 1.5-2.0" longer than the
> > 27.5" setup length on Piedmonts website.  Setup ran
> > perfectly.  On the Phase
> > One setup, I used the 27.5" setting by cutting down
> > the header, with equally
> > good performance.  I will attribute any extra
> > performance on the Advantage
> > due to it's using the new Webra AAR.  The design of
> > the pipe does not lend
> > to cutting anything from the pipe (... wouldn't
> > recommend that approach).
> > The whole setup fit with some room to spare in the
> > Phase One.
> >
> >  I'm getting away from a kick of reading rpm of
> > reading on the ground (after
> > some reading about pipe theory).  Readings show that
> > max "air" performance
> > is gained by getting the pipes peak performance on
> > the ground, and
> > lengthening the setup to about 300 rpms less.  Then,
> > it unloads in the air
> > and has more sustained power in the uplines.
> >
> > Header coupler material:  Tired of having your
> > Aerotrend replacement
> > silicone tubing crack and break too quickly?
> > www.mcmaster.com has
> > "silicone" replacement tubing.  I ordered some off
> > of Bob P.'s
> > recommendation.  I ordered 2' each of
> > "clear-medical" silicone, and "red"
> > silicone tubing.  The material seems very good.
> > Total cost including
> > shipping was $18.00.  The red feels lighter.  Both
> > seem durable and plyable
> > - similiar to the material that Macs headers come
> > with.
> >
> > Jim W.
> > =====================================
> > # To be removed from this list, send a message to
> > # discussion-request at nsrca.org
> > # and put leave discussion on the first line of the
> > body.
> > #
> >
>
>
> =====
> Brian Young
> Tulsa
> b4598070 at yahoo.com
> 918-745-6046h
> 918-838-0900w
>
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