On Feb 5, 9:47 am, "Noddy" <m...@[EMAIL PROTECTED]
> wrote:
> "the_dawggie" <the_dawg...@[EMAIL PROTECTED]
> wrote in message
>
> news:6338bb7f-f5df-400b-bc20-
>
> > I have an issue for Node about how a diesel engine works.
> > They are more a plunger effect than hit with hammer SI
> > effect. I know that, and it's more than obvious. Athol too
> > should know that. It's one of the most basic facts of diesel
> > engines. Petrol bangs, diesel burns.
>
> If that *really* was the case, then there'd be no need to make internal
> engine components for diesel engines any stronger than petrol ones. The
fact
> that they do tells you that a diesel engine is under *way* more stress
> during it's operation than a petrol engine is on average, and that
"stress"
> comes from compressing and firing the mixture of air & fuel.
> A diesel engine is, in effect, similar to a petrol engine which is
> detonating, and that's why they're noisy. Firing the engine by
compressing
> the air & fuel to the point where it gets hot enough to fire is *far*
more
> severe an action than firing it with a spark.
Yes it is, hence you get the rattle as it ignites, but ...
> The "coffee plunger" theory is funny though :)
Diesel takes longer to burn, which is why it is suitable for
long stroke low revving engines.


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