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From: "rijakits" <rijakits@cwpanama.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-983789@logan.com>
Subject: Re: [FlyRotary] Re: Diesel Operation
Date: Mon, 13 Feb 2006 19:25:32 -0500
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----- Original Message ----- 
From: "Bob White" <rlwhite@comcast.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, February 13, 2006 7:15 PM
Subject: [FlyRotary] Re: Diesel Operation


> On Mon, 13 Feb 2006 19:00:52 -0500
> "rijakits" <rijakits@cwpanama.net> wrote:
>
> > >
> > > > Bob White wrote:
> > > >
> > > > >Does anyone have an inkling of what one would have to do to get a
13B
> > > > >to run on diesel?
> > > > >
> > > > >Bob W.
> > > > >
> > > > Fill in the depression in the rotors to drive the compression ratio
up?
> > > > Turbo (to drive the compression up)?
> > > > Add a propane charge for good measure?
> > > >
> >
> > On "the other list" there was one gentleman working on the details for a
> > Jet-A conversion - I think he was looking into some outborder
fuel-injection
> > system, that runs already direct-injection.
> > The idea is not to increase compression to the point of
"Diesel"-ignition
> > (Compression ignition), but use direct-injection and spark-ignition to
run
> > the motor.
> > This way you can use the cheaper and more powerful Jet-A, but the engine
is
> > still not a real Diesel-cycle engine.
> > The problem is of course the low temperature needed to ignite Diesel,
which
> > makes the engine "diesel" (pre-ignite) - I think Mistral got to around
85 hp
> > before it started to "diesel".
> > Solution: Start a spark-shower before you direct-inject Jet-A.
> > Problem: How do you evaporate or at least fine-distribute the Jet-A
enough
> > to burn clean and efficient? Air-injection around the fuel-injector!!
> >
> > I really hope Mistral will make their Jet-A system available seperately
as
> > they do wit hsome other parts....
> > ...or the gentleman from the "PL"-domaine get's it right! I think it was
> > Bill Jepeson, or so.....
> >
> > Thomas J.
>
> Hi Thomas,
>
> Now that you mention it, I think I remember hearing that someone was
> working on it.  Like my engine install, it takes a long time for these
> developments to come to fruition.
>
> Bob W.
>
>
Especially on a budget!!

If you have the spare, it is easiest to wait for Mistrals Jet-A version,
certified and all and you're in Rotary heaven!

I hope someone finds the right combination of affordable parts to make it
work for "you and me!"

TJ