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Old 9th July 2008, 09:06 PM   #31 (permalink)
D7666
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Default Why isn't manual transmission used on railway vehicles?

On Jul 10, 1:55 am, Charles Ellson <char...@ellson.> wrote:
> >> Some older diesels had a cold start knob that gave a richer mixture.


> >Ummm ... richer mixture ?


> I think Tony is referring to older technology which rather crudely
> just injected extra fuel into the inlet manifold, as described under
> "Cold Start Injectors"


Ohhh .. . that real old stuff ... sorry I was not going that far back.

But if one does look that far back, one of the reasons was that diesel
fuel was slow to evolve a refining standard ... older engines clagged
anyway because of fuel variance.

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Nick
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