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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-616022@logan.com>
Subject: Re: [FlyRotary] Re: Pport/cold side injectors
Date: Fri, 21 Jan 2005 09:47:37 -0500
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Jerry, I don't really know if anyone has run/flow with Paul L's crossover
intake.  However, if they are not turbocharged they are not likely to be
experiencing any detonation - just perhaps some uneven running - if, indeed
any problem associated with distillation exists.

Ed A
.
----- Original Message -----
From: "Jerry Hey" <j-winddesigns@thegrid.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Friday, January 21, 2005 9:24 AM
Subject: [FlyRotary] Re: Pport/cold side injectors


> Ed,  is anybody running an engine with Paul L's crossover intake?   If
> distilation is an issue, they would have experienced it too,
> presumably.  Jerry
>
>
> On Friday, January 21, 2005, at 09:12  AM, Ed Anderson wrote:
>
> > The Swiss Mistral rotary folks reported that when they went to long
> > runners
> > that they believed they encountered  a "distillation" problem as Ernest
> > mentioned.  Due to this problem they believed that they encounter
> > detonation
> > with their turbo set up due to the "Low Octane" part being ingested at
> > a
> > different time than the lighter high octane part of the fuel.  I am
> > certainly not enough of a chemist to even know if this even sounds
> > plausible.  However, the team did have a Chemist and that is what he
> > reported.
> >
> > I must admit I'm a little bit skeptical of this mode as it would seem
> > that
> > even if it happened you would have a continuos stream of light and
> > heavy
> > elements intermixing between one injection period and the next.  But,
> > they
> > certainly had the resources and inclination to look into the problem
> > and
> > that was their conclusion.
> >
> > Ed A
> >
> >
> > ----- Original Message -----
> > From: "Ernest Christley" <echristl@cisco.com>
> > To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> > Sent: Friday, January 21, 2005 8:48 AM
> > Subject: [FlyRotary] Re: Pport/cold side injectors
> >
> >
> >> On Thu, 2005-01-20 at 20:41, Jerry Hey wrote:
> >>> Thanks Ken,   I want to try to make cold side fuel injection  work.
> >>> Idon't see any reason, YET,  that would indicate the system would
> >>> notwork.  But if it does not work, then I will COPY  your set up.
> >>>
> >>> I have seen carburetor intakes on P Ports with about  a  12 inch
> >>> runner made from a 90 degree sweep.   They were turning out  huge
> >>> power.    Jerry
> >>>
> >>
> >> Check the FlyRotary archives.  There was some discussion of long
> >> runners
> >> a while back.  I forget who it was, but they found that the fuel will
> >> 'distill' in the runners.  The lighter compounds get sucked out and
> >> ingested immediately.  The heavier parts fall behind and get taken in
> >> as
> >> clumps.  The end result was that the engine wasn't breathing a nice
> >> even
> >> mixture, but a uneven combination of light petroleum gasses and balls
> >> of
> >> oil.
> >>
> >> At least that is how I understood it all.
> >>
> >>
> >>
> >>>>  Homepage:  http://www.flyrotary.com/
> >>>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
> >>
> >
> >
> >
> >>>  Homepage:  http://www.flyrotary.com/
> >>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
> >
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html