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

[Tomas Sokorai Sch.]

I haven't measured it's compression ratio, but judging from the specs I've=
=20
found, and the fact that the engine is very easy to *hand* crank, the=20
compression is ultra low. The original gasoline model it's supposed to have=
=20
5.33:1 CR!!

some info about the engine:
http://www.geocities.com/Yosemite/Geyser/2544/farmalla.html
http://www.geocities.com/agenfarmall/Tractor-Farmall_A_Data_Sheet.html

don't laugh at his HP ratings, hehehehe ;)

I never tried to run it on diesel, but for my next vacations I'll try to=20
resucitate it and try that just for fun :) (the tractor is not used and=20
stored at my family's farm, 70 miles from the city where I live). I have th=
e=20
feeling that diesel is too heavy to vaporizate from the carb, even with the=
=20
heat.



Tomas

On Thursday 10 October 2002 07:43, 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?
>
> 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.=
=2E.
> 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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=2D-=20
Tomas J. Sokorai Sch.
Socio director, Gerente Proyectos Especiales
Xperts Ltda. F: 63 244591, Valdivia, Chile

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