[Diy_efi] EFI and heavy fuel (eg. Parafin )

[Greg Hermann]

At 7:43 AM 10/10/02, Ron Schroeder wrote:
>Hi Thonas,
>
>Just out of curiosity, how low in compression ratio do you need to go to run
>a spark ignition engine on kerosene?  Can those engines also run on diesel
>fuel or is that just too heavy?

Diesel and kerosene are virtually the same thing, except for the additive
package.

Personal experience with a 196-4 with the (export only) low comp. head and
pistons in a Scout (another 'Binder !!)  :-) was that it ran FINE on #2
diesel once started, in fact made more power than it did on gasoline.

This engine ran about 6 : 1 compression, and had VERY nice chambers--lots
of squish, near spherical chambers (large bowls in the piston directly
under the bowls in the head where the plugs resided) and short flame
travel.

Greg
>
>Thanks,
>
>Ron Schroeder
>WD8CDH
>day 631 344-4561
>nite 631 286-5677
>
>
>----- Original Message -----
From: "Tomas Sokorai Sch." <tsokorai at xperts.cl>
>To: <diy_efi at diy-efi.org>
>Sent: Wednesday, October 09, 2002 4:29 PM
>Subject: Re: [Diy_efi] EFI and heavy fuel (eg. Parafin )
>
>
>Hi!
>
>I'll say what I know about kerosene engines:
>I don't know if you'll be able to start from a winter cold engine. I have an
>old farm tractor who works with kerosene (carb'ed of course, it's an IH
>Farmall A), but for starting, it has a small gasoline tank and a switch
>valve, so you start with gasoline then switch over to kerosene. The singular
>part is that the intake manifold is highly heated to promote the kerosene
>vaporization. The heating is provided from the exhaust manifold... well,
>there is really one manifold, because the intake and exhaust manifolds are
>one! You can realise the kind of heating kerosene needs.
>I guess that injected the need for heating will be less, but still a
>significant factor.
>Hope this engine description is useful.
>
>Tomas
>
>
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