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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 6:53 PM
Subject: [FlyRotary] Re: Diesel Operation
On Mon, 13 Feb 2006 18:34:37 -0500
Ernest Christley <echristley@nc.rr.com> wrote:
> Bob White wrote:
>
> >Hi Ernest,
> >
> >I have high compression rotors (9.7:1) so maybe all I need is the turbo
> >and propane. ;-) Long ago I was thinking about adding a supercharger
> >after I got the NA setup working (normalization only). After the
> >length of time this has taken, I don't think it will ever happen.
> >
> >Bob W. (leaky tank sealed - leak check tomorrow)
> >
> >
> >
> Working from a fading memory here, but I believe diesels run closer to
27:1.
> Ford tried to convert a gas engine to diesel operation in the '80s by
> just driving up the compression. By all accounts, it sucked. It ran,
> just not for long. The high compression basically rip apart the lighter
> gas engine parts.
> I don't think the rotary would suffer those issues, and it might even
> solve the problem of fuel not burning in the chamber corners, but I'm
> probably wrong.
>
I don't think the rotary can be made to run in diesel mode.
Compression ratios just can't get into that range. Mistral is using
diesel fuel with spark ignition.
Bob W.
I think John Deere tried ( or was it Rolls Royce...??): Dual Rotor setup,
the first Rotor worked as a compressor to precompress the air - efficiency
didn't work out....
TJ
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